新能源汽车外文文献翻译
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毕业设计(论文)外文资料翻译系(院):电子与电气工程学院专业:电气工程及其自动化姓名:学号:外文出处:2007 HERE COME THE... CLEANER,GREENER CARS附件: 1.外文资料翻译译文;2.外文原文。
附件1:外文资料翻译译文2007年来了...清洁,环保汽车一个全新的领域,在柴油发动机上使用电气混合燃料电池。
这个说法是针对混合动力汽车:美国人爱他们,不过只是猜测。
一些环保人士一直在疑惑,有没有更大的混合电池组,能不能够直接插在墙上进行充电,能不能提供动力让你开车去上班,电力与小型燃气发动机使其变为可能。
这个概念最初是一个环保主义者的梦想,是来自的费利克斯克莱默,他推动了公用事业支持插件的合作。
但现在电动汽车走向市场,就像其他高科技绿色汽车当年发展的情况一样。
清洁汽车新的一天清洁和环保汽车技术正在蒸蒸日上。
可充电混合动力车,在工业发展上展现了比1900年的黄金岁月高很多的研究和开发热情。
当汽油、蒸汽、电动车在市场上进行竞争,许多公司如通用汽车、还在嘲弄像罗杰和我这样的人,是谁扼杀了电动汽车的发展?事实上,美国通用汽车公司是第一个成功制造出了可充电混合动力车的公司,他们使用了一个有趣的新方法。
他们正在研发一种全新的推进系统,在最近的底特律车展上展示,那就是雪佛兰伏特。
随着seesawing对未来石油和汽油价格的不确定性,美国人终于将注意力集中在寻找燃油经济性车辆和展望他们的下一个大型多功能运动型车。
一个由具有很大影响力的公司JD Power and Associates去年夏天对消费者的调查发现,让人吃惊的是有57%的受访者会考虑购买他们的下一个混合动力汽车,有49%的购车者会考虑E85乙醇动力汽车。
另一项由Frost&Sullivan的调查发现约有80%的人更关注较一年前的燃油价格。
几乎有一半的人说,如果燃油价格持续上涨的话他们会考虑购买更省油的汽车或混合动力汽车。
而从居住在美国的市民的调查中发现,有五分之一的让人印象深刻的说道,他们也开始使用替代交通工具:诸如自行车,步行,公共交通和电动汽车等等。
文献出处:Moriarty P, Honnery D. The prospects for global green car mobility[J]. Journal of Cleaner Production, 2008, 16(16): 1717-1726.原文The prospects for global green car mobilityPatrick Moriarty, Damon HonneryAbstractThe quest for green car mobility faces two major challenges: air pollution from exhaust emissions and global climate change from greenhouse gas emissions. Vehicle air pollution emissions are being successfully tackled in many countries by technical solutions such as low-sulphur fuels, unleaded petrol and three-way catalytic converters. Many researchers advocate a similar approach for overcoming transport's climate change impacts. This study argues that finding a technical solution for this problem is not possible. Instead, the world will have to move to an alternative surface transport system involving far lower levels of motorised travel.Keywords:Green mobility; Fuel efficiency; Alternative fuels; Global climate change; air pollution1. IntroductionProvision of environmentally sustainable (or green) private transport throughout the world faces two main challenges. The first is urban and even regional air pollution, particularly in the rapidly growing cities of the industrialising world. The second is global climate change, caused mainly by rising concentrations of greenhouse gases (GHGs) in the atmosphere. These two barriers to green car mobility differ in several important ways. First, road traffic air pollution problems are more localised, because of the short atmospheric lifetimes of most vehicle pollutants and . Thus regional solutions are often not only possible, but also essential – Australian cities, for example, can (and must) solve their air pollution problems themselves. Matters are very different for global climate change. Except possibly for geo-engineering measuressuch as placing large quantities of sulphate aerosols in the lower stratosphere or erecting huge reflecting mirrors in space, one country cannot solve this problem alone. Climate change is a global problem. Nevertheless, it is possible for some countries to ‘freeload’ if the majority of nations that are important GHG emitter。
文献出处:Moriarty P, Honnery D. The prospects for global green car mobility[J]. Journal of Cleaner Production, 2008, 16(16): 1717-1726.原文The prospects for global green car mobilityPatrick Moriarty, Damon HonneryAbstractThe quest for green car mobility faces two major challenges: air pollution from exhaust emissions and global climate change from greenhouse gas emissions. Vehicle air pollution emissions are being successfully tackled in many countries by technical solutions such as low-sulphur fuels, unleaded petrol and three-way catalytic converters. Many researchers advocate a similar approach for overcoming transport's climate change impacts. This study argues that finding a technical solution for this problem is not possible. Instead, the world will have to move to an alternative surface transport system involving far lower levels of motorised travel.Keywords:Green mobility; Fuel efficiency; Alternative fuels; Global climate change; air pollution1. IntroductionProvision of environmentally sustainable (or green) private transport throughout the world faces two main challenges. The first is urban and even regional air pollution, particularly in the rapidly growing cities of the industrialising world. The second is global climate change, caused mainly by rising concentrations of greenhouse gases (GHGs) in the atmosphere. These two barriers to green car mobility differ in several important ways. First, road traffic air pollution problems are more localised, because of the short atmospheric lifetimes of most vehicle pollutants and . Thus regional solutions are often not only possible, but also essential – Australian cities, for example, can (and must) solve their air pollution problems themselves. Matters are very different for global climate change. Except possibly for geo-engineering measuressuch as placing large quantities of sulphate aerosols in the lower stratosphere or erecting huge reflecting mirrors in space, one country cannot solve this problem alone. Climate change is a global problem. Nevertheless, it is possible for some countries to ‘freeload’ if the majority of nations that are important GHG emitter。
Revolution燃料电池汽车(车身部分)外文文献翻译、中英文翻译、Revolution Fuel-Cell Vehicle(body part)1. Introduction1.1 Revolution Fuel-Cell Vehicle profileIn recent years,the rapid development and commercialization of fuel-cell vehicle propulsion swept the whole word,and its energy efficient and zero emission or near-zero emissions,good environmental performance,making the development of hot spots of today's word energy and transport sectors. With rhe active participation of major international car manufacturers and oil giant,from the capital to technology,has invested heavily, fuel cell vehicles have been out of the lab,began commercial journey.Many experts are optimistic that fuel-cell vehicles will lead to a revolution in the automotiveindustry,and eventually replace the traditional diesel locomotive into the mainstream.The Revolution fuel-cell concept vehicle (Figure1.1)was developed internally by Hypercar to demonstrate the technicalfeasibility and societal, consumer, and competitive benefits of holistic vehicle design focused on efficiencyand lightweighting. It was designed to have breakthrough fuel economy and emissions, meet U.S. andEuropean Motor Vehicle Safety Standards, and meet a rigorous and complete set of product requirements fora sporty five-passenger SUV crossover vehicle market segment with technologies that could be in volumeproduction at competitive cost within five years (Figure1.2).Figure 1.1 The Revolution fuel-cell concept vehicle1Figure 1.2 Photo of full-scale model of Revolution and package layout drawings1.2 Revolution Fuel-Cell Vehicle advanced technologyThe Revolution combines lightweight, aerodynamic, and electrically and thermally efficient design with a hybridized fuel-cell propulsion system to deliver an unprecedented combination of features:? Seats five adults with a package similar to the Lexus RX-300 ? 1.95-m3 cargo space with the rear seats folded flat? 2.38 L/100 km (42 km/L, 99 mpg) using compressed 345-bar gaseous hydrogen fuel ? 530-km range on 3.4 kg of hydrogen ? Zero tailpipe emissions? Accelerates 0�C100 km/h in 8.3 seconds ? No damage in impacts up to 10 km/h? All-wheel drive with digital traction and vehicle stability control? Ground clearance adjustable from 13�C20 cm through a semi-active suspension that adapts to2load, speed,location of the vehicle’s center of gravity, and terr ain? Body stiffness and torsional rigidity 50% higher than premium sports sedans ? Designed for a 300,000+-km service life? Modular electronics and software architecture and customizable user interface? Potential for the sticker price to be competitive with the Lexus RX300, Mercedes M320, and the BMW X5 3.0, with significantly lower lifecycle cost.How is this achieved? Through careful whole-system design that integrates several advanced technologies at once in synergistic ways. An overview of some of the technologies in the Revolution can be found in Figure1.3 and background information is available in [1.4, 2.1, 2.2, 2.3].Figure1.3 Technologies within the Revolution1.3 Lightweight designEvery system in the Revolution is significantly lighter than conventional systems (Table 1.1 and Figure1.4).Different techniques were used for each system to achieve such weight savings. The body structure achieved nearly 60% mass reduction versus steel by using a combination of carbon-fiber composites, aluminum, and unreinforced thermoplastic.3Carbon-fiber composites were used in the passenger safety cell and in dedicated composite energy absorbing members. Aluminum was used primarily in a front-end sub-frame, and unreinforced composite panels form the vehicle’sskin (Figure 2.1). The aluminum subframe and plastic skin are made with standard production techniques and will thus not be discussed in detail here.Table 1.1 Mass comparison of Revolution with a conventional benchmark vehicleFigure1.4 Mass pie charts2. Composite Safety Cell Structural DesignThe overarching challenge to using lightweight materials is cost-effectiveness. As carbon fiber composites cost significantly more per kilogram and per unit stiffness than steel, cost savings must be found in thestructural design and manufacturing methods in order to make4composites economically feasible. The design strategy that Hypercar employed was four-tiered:minimizing the total amount of material (and its corollary:ensuring most effective use of the material used) through concentrated, highly effective use whenever used;simplifying assembly, tooling, parts handling, inventory, and processing costs through design; integrating as much functionality into the structure as was practical; and employing a novel manufacturing system for the fabrication of the individual parts. Several features of the design that support this strategy are described below. 2.1 Design features 2.1.1 Part consolidationThe primary structure is illustrated in Figures2.1 and Figures 2.2. It is composed of fourteen major parts and 62 total parts―65% and 77% fewer parts than in the equivalent portion of a conventional stamped steel BIW,respectively. Each major part in the composite safety cell is joined using a patent-pending blade and clevis fully bonded joining technique that is strong, robust, and self-fixturing. Together, the small number of parts and the joint design simplify assembly, as just a few parts must be held together until the adhesive bond sets up, without the need for complex fixtures.5感谢您的阅读,祝您生活愉快。
new energy automobileIn 1839, Robert Anderson of Scotland to a carriage mounted on the battery and the electric motor, its successful transformation of the world's first a vehicle driven by electricity, which opened the curtain for the development of electric vehicles.Works flow route of electric vehicles: battery - current - power regulator - motor - drivetrain - drive the vehicle, power drive Move and control system is the core of the electric car is different from different points of the internal combustion engine vehicle;From a global point of view, the development of electric vehicles in China and developed countries almost stand on the same starting line,the vehicle has been initially formed products development system supporting the management mechanism and team composition, pure electric vehicles, hybrid vehicles, fuel cell vehicles, like cars have been achieved, key components, the fuel cell engine is the formation of the system, high-power nickel-hydrogen batteries, lithium-ion battery performance has been greatly enhanced, multi-energy control system initially formed.The main purpose of this writing is to deepen their own understanding of electric vehicles, so that more people understand the new energy and electric vehicles, and the majority of their prime comrades of electric vehicles are interested ability, can also be for our country or for The world automobile Energy to contribute their value.Even China's electric car industry has made a lot of progress, but today such a grim situation, before the dual crisis of energy and the environment has not been resolved, still need to continue to work hard, especially shoulder motherland in the future development of the important task of contemporary college students should the burdens of this great mission and responsibility.新能源汽车1839年,苏格兰的罗伯特·安德森给四轮马车装上了电池和电动机,将其成功改造为世界上第一辆靠电力驱动的车辆由此拉开了电动汽车发展的帷幕。
外文文献原稿和译文原稿A New Type Car -- Hybrid Electric VehicleWith skyrocketing fuel prices and changes in weather patterns, many car manufacturers claimed to develop the kind of vehicles that will increase the mileage and reduce the emissions. Hybrid car is a kind of vehicle which can meet above requirements. A hybrid car features a small fuel-efficient gas engine combined with an electric motor that assists the engine.The reasons of building such a complicated machine are twofold: to reduce tailpipe emissions and to improve mileage. Firstly, hybrid cars are good for the environment. They can reduce smog by 90 percent and they use far less gasoline than conventional cars. Meanwhile, hybrid cars burn less gasoline per mile, so they release fewer greenhouse gases. Secondly, hybrid cars are economical. Hybrid cars, which run on gas and electricity, can get up to 55 to 60 miles per gallon in city driving, while a typical SUV might use three times as much gas for the same distance! There are three reasons can mainly account for that: 1) Hybrid engines are much smaller than those on conventional cars. A hybrid car engine is to accommodate the 99% of driving time when a car is not going up hills or accelerating quickly. When extra acceleration power is needed, it relies on the battery to provide additional force. 2) Hybrid gasoline engine can shut off when the car is stopped and run off their electric motor and battery.3) Hybrid cars often recover braking energy. Electric motors could take the lost kinetic energy in braking and use it to charge the battery. Furthermore, hybrids are better than all-electric cars because hybrid car batteries recharge as you drive so there is no need to plug in. Most electric cars need to be recharged every 50-100miles. Also, most electric cars cannot go faster than 50-60 mph, while hybrids can.Hybrid cars bridge the gap between electric and gasoline-powered cars by traveling further and driving faster and hybrid gas-electric cars are proving to be a feasible alternative at a time of high gas prices. So, in my opinion, hybrid cars will have a bright future.How Does Hybrid Electric Vehicle Work?You probably own a gasoline or diesel-engine car. You may have heard ofelectric vehicles too. A hybrid vehicle or hybrid electric vehicle (HEV) is a combination of both. Hybrid vehicles utilize two or more sources of energy for propulsion. In the case of HEVs, a combustion engine and an electric motor are used.How it works depends on the type of drive train it has. A hybrid vehicle can either have a parallel or series or parallel-series drive train.Parallel HybridThe parallel hybrid car has a gas tank, a combustion engine, transmission, electric motor, and batteries.A parallel hybrid is designed to run directly from either the combustion engine or the electric motor. It can run using both the engine and the motor. As a conventional vehicle, the parallel hybrid draws its power from the combustion engine which will then drive the transmission that turns the wheels. If it is using the electric motor, the car draws its power from the batteries. The energy from the batteries will then power the electric motor that drives the transmission and turns the wheel.Both the combustion engine and the electric motor are used at the same time during quick acceleration, on steep ascend, or when either the engine or the motor needs additional boost.Since the engine is directly connected to the wheels in a parallel drive train, it eliminates the inefficiency of converting mechanical energy into electrical energy and back. This makes a very effective vehicle to drive on the highway.Series HybridThe series hybrid car also has a gas tank, a combustion engine, transmission, electric motor, and batteries with the addition of the generator. The generator can be the electric motor or it can be another separate component.The series configuration is the simplest among the 3. The engine is not connected to the transmission rather it is connected to the electric motor. This means that the transmission can be driven only by the electric motor which draws its energy from the battery pack, the engine or the generator.A hybrid car with a series drive train is more suited for city driving conditions since the engine will not be subjected to the varying speed demands (stop, go, and idle) that contributes to fuel consumption.Series-Parallel HybridThe series-parallel configuration solves the individual problems of the parallel and series hybrid. By combining the 2 designs, the transmission can be directly connected to the engine or can be separated for optimum fuel consumption. The Toyota Prius and the Ford Escape Hybrid use this technology.Honda’s hybridFor those of you who have toyed with the idea of buying a hybrid but were discouraged by the price, you are not alone. In fact, despite the growing concern for the environment, not to mention the skyrocketing price of gas, hybrid cars still only represent a small percentage of global car sales, and a major reason for this is the cost.Hybrids are considered the wave of the future because they not only reduce emissions, addressing the issue of climate change, but they get great gas mileage, animportant consideration with the current price of oil. It should be noted that hybrids can also improve the power of the engine, which compromises any advantages in fuel efficiency and emissions. Whatever the application, however, the technology makes the cars more expensive.Because of this, they are the vehicle of choice for only a small niche of people who can afford them, and they currently enjoy a special status amongst the image conscious celebrity-set. For most average consumers, however, they are not an option.That may soon change.Honda Motor Corporation, one of the largest car manufacturers in the world and a leader in fuel efficient technology, has unveiled it’s plan to introduce a low-cost hybrid by 2009. If they can pull it off, they hope to make the hybrid a more mainstream car that will be more appealing to the general public, with the ultimate goal of achieving greater sales and broader appeal than their current incarnation.This, of course, is making Detroit nervous, and may signal a need for American car makers to start making greener and more fuel efficient vehicles, something they could afford to ignore in the past because hybrid cars weren’t worth their attention (due to such a small market share) while gas-guzzling SUVs have such high profit margins.Honda, meanwhile, has had to confront a growing need to compete with Toyota, which has not only grown to be the world’s largest automaker, but makes the car that has become synonymous with the hybrid movement, the Prius. Honda is therefore faced with the seemingly insurmountable task of challenging Toyota’s dominance in the market.Concurrently, Toyota is racing to lower production costs on the Prius, as well, which would hopefully result in a lower cost to the consumer. All eyes are on a potentially favorable car buyers market in 2009.In the meantime, with even adamant global warming naysayers warming up (no pun intended) to the possibilities of an ecological disaster on the horizon, maybe it’s time that we got over our need to drive huge SUVs and start moderating our fuel consumption.Then again, as gas prices hovering around $4.00 and with no ceiling in sight, we may have little choice in the matter.Engine Operating PrinciplesMost automobile dngines are internal combustion, reciprocating 4-stroke gasoline engines, but other types have been used, including the diesel, the rotary ( Wankel ) , the 2-srtoke, and stratified charge.Reciprocating means up and down or banck and forth, It is the up and down action of a piston in the cylinder blick, or engine block. The blick is an iron or aluminum casting that contains engine cylinders and passges called water jackets for coolant circulation. The top of the block is covered with the cylinder head. Which forms the combustion chanber. The bottom of the block is covered with an oil pan or oil sump.Power is produced by the linear motion of a piston in a cylinder. However, this linear motion must be changed into rotary motion to turn the wheels of cars of trucks. The piston is attached to the top of a connecting rod by a pin, called a piston pin or wrist pin. The bottom of the connecting rod is attached to the crankshaft. The connecting rod transmits the up-and-down motion of the piston to the crankshaft, which changes it into rotary motion.The connecting rod is mounted on the crankshaft with large beaings called rod bearings. Similar bearings, called main bearings, are used to mount the crankshaft in the block. Shown in Fig. 1-1The diameter of the cylinder is called the engine bore. Displacement and compression ratio are two frequently used engine specifications. Displacement indicates engine size, and compression ratio compares the total cylinder volume to compression chamber volume.The term stroke is used to describe the movement of the iston within the cylinder, as well as the distance of piston travel. Depending on the type of engine the operating cycle may require either two or four strokes to complete. The 4-stroke engine is also called Otto cycle engine, in honor of the German engineer, Dr. Nikolaus Otto, who first applied the principle in 1876. In the 4-stroke engine, four strokes of the piston in the cylinder are required to complete one full operating cycle. Each stroke is named after the action it performs intake, compression, power, and exhaust in that order, shown in Fig1-2.1、Intake strokeAs the piston moves down, the vaporized mixture of fuel and air enters the cylinder through open intake valve. To obtain the maximum filling of the cylinder the intake valve opens about 10°before t.b.c., giving 20°overlap. The inlet valve remains open until some 50°after b.d.c. to take advantage of incoming mixture.2、 Compression strokeThe piston turns up, the intake valve closes, the mixture is compressed within the combustion chamber, while the pressure rise to about 1Mpa, depending on various factors including the compression ratio, throttle opening and engine speed. Near the top of the stroke the mixture is ignited by a spark which bridges the gap of the spark plug.3、 Power strokeThe expanding gases of combustion produces a rise in pressure of the gas to some 3.5Mpa, and the piston is forced down in the cylinder. The exhaust valve opens near the bottom of the stroke.4、Exhust strokeThe piston moves back up with the exhaust valve open some 50°before b.d.d., allowing the pressure within the cylinder to fall and to reduce ‘back’pressure on the piston during the exhaust stroke, and the burned gases are pushed out to prepare for the next intake stroke.The intake valve usually opens just before the exhaust stroke. This 4-stroke cycle is continuously repeared in every as long as the engineremains running.A 2-stroke engine also goes through four actions to complete one operatingcycle.However, the intake and the compression actions are combined in one seroke, and the power and exhaust actions are combined in the other stroke. The term2-stroke cycle or 2-stroke is preferred to the term 2-cycle, which is really not accurate.In automobile engines, all pistons are attached to a single crankshaft. The more cylinders an engine has, the more power strokes produced for cach revolution. This means that an 8-cylinder engine runs more smoothly bdcause the power atrokes are closer together in time and in degrees of engine rotation.The cylinders of multi-cylinder automotive engines arranged in one of three ways. 1、Inline engines use a single block of cylinder.Most 4-cylinder and any 6-cylinder engines are of this design. The cylinders do not have to be vertical. They can be inclined either side.2、V-type engines use two equal bands of cylinders, usually inclined 60degrees or 90degrees from the cach other. Most V-type engines have 6 or 8 cylinders, although V-4 and V-12 engines have been built.3、Horizontally opposed or pancake engines have two equal banks of cylinders 180degreeas apart. These space saving engine designs are often air-cooled, and are found in the Chevrolet Carvair, Porsches, Subaus, and V olkswagens. Subaus design is liquid cooled.Late-model V olkswagen vans use a liquid-cooled version of the air cooled VWhorizontally opposed engine.译文新型汽车----混合动力汽车在油价飞涨的今天,汽车制造商被要求发展一种排放低,行驶里程长的汽车。
New Energy Vehicles: Driving the Future of Sustainable TransportationIn the contemporary era of rapid technological advancements, the automotive industry is undergoing a paradigm shift. The emergence of new energy vehicles (NEVs) represents a significant milestone in this transition, heralding a new era of sustainable transportation. These vehicles, powered by alternative sources of energy such as electricity, hydrogen, and solar, are revolutionizing the way we travel, reducing our dependency on fossil fuels and mitigating the environmental impacts of traditional automobiles.The rise of NEVs is not just a technological trend;it's a societal imperative. With the escalating concerns over climate change and air pollution, the need for eco-friendly modes of transportation has become increasingly urgent. NEVs offer a viable solution, offering reduced emissions, improved fuel efficiency, and quieter operation. This shift towards sustainability is not only beneficialfor the environment but also presents economicopportunities, driving innovation and job creation in the automotive sector.One of the most prominent types of NEVs is electric vehicles (EVs). These vehicles are powered by batteries, eliminating the need for internal combustion engines and the associated emissions. The popularity of EVs has grown significantly in recent years, with an increasing number of manufacturers offering a diverse range of models, from compact cars to heavy-duty trucks. The development of advanced battery technology has been a key driver in the widespread adoption of EVs, enabling longer driving ranges and faster charging times.Another noteworthy area in the NEV landscape is hydrogen fuel cell vehicles. These vehicles use hydrogen as a fuel source, converting it into electricity through a chemical reaction. This process produces only water as a byproduct, making hydrogen fuel cell vehicles truly zero-emission. While the infrastructure for hydrogen fueling stations is still in its infancy, the potential of this technology is immense, offering a clean and efficient alternative to fossil fuels.Moreover, the integration of renewable energy sources such as solar power into NEVs is gaining momentum. Solar-powered vehicles harness the sun's energy to charge their batteries, further reducing their carbon footprint. While solar-powered vehicles may not yet be suitable for all types of transportation, they represent a promising direction for future development.However, the widespread adoption of NEVs faces several challenges. One of the primary concerns is the cost of these vehicles, which is often higher than traditional gasoline-powered cars. Government incentives and subsidies can help offset these costs and encourage consumers to make the switch. Additionally, the infrastructure for charging stations and hydrogen fueling facilities needs to be expanded to support the growing number of NEVs on the road. Another challenge is the need for standardized charging and fueling protocols. Different manufacturers often use proprietary systems, which can create inconveniences for consumers. Establishing universal standards would greatly enhance the usability and adoption of NEVs.Despite these challenges, the future of NEVs looks bright. As technology continues to evolve and costs come down, these vehicles are expected to become more accessible and widespread. Innovations in battery technology, charging infrastructure, and renewable energy integration willfurther enhance the performance and sustainability of NEVs. Moreover, the automotive industry is collaborating with governments, research institutions, and other stakeholdersto address the challenges facing NEVs. These collaborations are focused on developing new technologies, improving infrastructure, and creating policies that support the widespread adoption of sustainable transportation solutions. In conclusion, new energy vehicles represent a pivotal shift in the automotive industry, ushering in a new era of sustainable transportation. While challenges remain, the potential benefits of NEVs are immense, offering reduced emissions, improved fuel efficiency, and economic opportunities. As technology and infrastructure continue to evolve, we can expect to see a growing number of NEVs onour roads, driving us towards a more sustainable future.**新能源汽车:驱动可持续交通的未来**在当今科技飞速发展的时代,汽车行业正经历着范式转变。
国外关于新能源汽车的文献
1.'TheFutureofElectricVehicles:OpportunitiesandChallenges'(英国)-这篇文献讨论了电动汽车的未来发展趋势、机遇和挑战,探讨了政策、技术和市场等方面的影响因素。
2. 'Electric Vehicle Policies and Market Development in China' (中国) - 这篇文献主要介绍了中国的新能源汽车政策和市场发展情况,分析了政策实施效果和未来发展趋势。
3. 'The Impact of Electric Vehicles on the Power Grid' (美国) - 这篇文献探讨了电动汽车对电网的影响,包括充电需求、电网负荷和能源管理等方面的问题。
4. 'Battery Technology for Electric Vehicles' (日本) - 这篇文献介绍了电动汽车用电池技术的发展历程,讨论了不同类型电池的优缺点和应用范围。
5. 'The Economics of Electric Vehicles' (德国) - 这篇文献分析了电动汽车的经济学特征,包括成本结构、市场需求和政策支持等方面的因素。
6. 'The Role of Renewable Energy in Electric Vehicle Charging' (丹麦) - 这篇文献讨论了可再生能源在电动汽车充电方面的应用和前景,探讨了能源转型和环保需求等方面的关联。
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(文档含英文原文和中文翻译)中英文资料外文翻译原文:As the world energy crisis, and the war and the energy consumption of oil -- and are full of energy, in one day, someday it will disappear without a trace. Oil is not in resources. So in oil consumption must be clean before finding a replacement. With the development of science and technology the progress ofthe society, people invented the electric car. Electric cars will become the most ideal of transportation.In the development of world each aspect is fruitful, especially with the automobile electronic technology and computer and rapid development of the information age. The electronic control technology in the car on a wide range of applications, the application of the electronic device, cars, and electronic technology not only to improve and enhance the quality and the traditional automobile electrical performance, but also improve the automobile fuel economy, performance, reliability and emissions purification. Widely used in automobile electronic products not only reduces the cost and reduce the complexity of the maintenance. From the fuel injection engine ignition devices, air control and emission control and fault diagnosis to the body auxiliary devices are generally used in electronic control technology, auto development mainly electromechanical integration. Widely used in automotive electronic control ignition system mainly electronic control fuel injection system, electronic control ignition system, electronic control automatic transmission, electronic control (ABS/ASR) control system,electronic control suspension system, electronic control power steering system, vehicle dynamic control system, the airbag systems, active belt system, electronic control system and the automatic air-conditioning and GPS navigation system etc. With the system response, the use function of quick car, high reliability, guarantees of engine power and reduce fuel consumption and emission regulations meet standards.The car is essential to modern traffic tools. And electric cars bring us infinite joy will give us the physical and mental relaxation. Take for example, automatic transmission in road, can not on the clutch, can achieve automatic shift and engine flameout, not so effective improve the driving convenience lighten the fatigue strength. Automatic transmission consists mainly of hydraulic torque converter, gear transmission, pump, hydraulic control system, electronic control system and oil cooling system, etc. The electronic control of suspension is mainly used to cushion the impact of the body and the road to reduce vibration that car getting smooth-going andstability. When the vehicle in the car when the road uneven road can according to automatically adjust the height. When the car ratio of height, low set to gas or oil cylinder filling or oil. If is opposite, gas or diarrhea. To ensure and improve the level of driving cars driving stability. Variable force power steering system can significantly change the driver for the work efficiency and the state, so widely used in electric cars. VDC to vehicle performance has important function it can according to the need of active braking to change the wheels of the car, car motions of state and optimum control performance, and increased automobile adhesion, controlling and stability. Besides these, appear beyond 4WS 4WD electric cars can greatly improve the performance of the value and ascending simultaneously. ABS braking distance is reduced and can keep turning skills effectively improve the stability of the directions simultaneously reduce tyre wear. The airbag appear in large programs protected the driver and passenger's safety, and greatly reduce automobile in collision of drivers and passengers in the buffer, to protect the safety of life.Intelligent electronic technology in the bus to promote safe driving and that the other functions. The realization of automatic driving through various sensors. Except some smart cars equipped with multiple outside sensors can fully perception of information and traffic facilities and to judge whether the vehicles and drivers in danger, has the independent pathfinding, navigation, avoid bump, no parking fees etc. Function. Effectively improve the safe transport of manipulation, reduce the pilot fatigue, improve passenger comfort. Of course battery electric vehicle is the key, the electric car battery mainly has: the use of lead-acid batteries, nickel cadmium battery, the battery, sodium sulfide sodium sulfide lithium battery, the battery, the battery, the flywheel zinc - air fuel cell and solar battery, the battery. In many kind of cells, the fuel cell is by far the most want to solve the problem of energy shortage car. Fuel cells have high pollution characteristics, different from other battery, the battery, need not only external constantly supply of fuel and electricity can continuously steadily. Fuel cell vehicles (FCEV) can be matched with the car engine performance and fuel economy and emission in the aspects ofsuperior internal-combustion vehicles.Along with the computer and electronic product constantly upgrading electric car, open class in mature technology and perfected, that drive more safe, convenient and flexible, comfortable. Now, the electric car from ordinary consumers distance is still very far away, only a few people in bandwagon. Electric cars with traditional to compete in the market, the carwill was electric cars and intelligent car replaced. This is the question that day after timing will come. ABS, GPS, and various new 4WD 4WS, electronic products and the modern era, excellent performance auto tacit understanding is tie-in, bring us unparalleled precision driving comfort and safety of driving.译文:随着世界能源危机的持续,以及战争和能源-----石油的消耗及汽车饱有量的增加,能源在一天一天下降,终有一天它会消失的无影无踪。
新能源汽车外文翻译文献Electric Cars: XXX?As the XXX crises。
wars。
and increasing oil n。
the need for alternative XXX not a renewable resource。
and we must find a replacement before XXX and social progress。
the n of electric cars XXX.Faced with high XXX costs。
growing XXX。
XXX and American automakers。
XXX Prius has e the world's best-selling hybrid car。
Tesla Motors。
a new American automaker。
has launched its first battery-powered car。
the Tesla Roadster。
As of the end of 2010.XXX hybrid car。
and XXX a similar plan is underway.Currently。
XXX vehicles。
XXX。
key components。
and system n。
They have established a research institute with "three verticals" of hybrid electric vehicles。
pure electric vehicles。
and fuel cell vehicles。
and "three horizontals" of vehicle controlsystems。
motor drive systems。
and power XXX industry。
文献出处:Moriarty P, Honnery D. The prospects for global green car mobility[J]. Journal of Cleaner Production, 2008, 16(16): 1717-1726.原文The prospects for global green car mobilityPatrick Moriarty, Damon HonneryAbstractThe quest for green car mobility faces two major challenges: air pollution from exhaust emissions and global climate change from greenhouse gas emissions. Vehicle air pollution emissions are being successfully tackled in many countries by technical solutions such as low-sulphur fuels, unleaded petrol and three-way catalytic converters. Many researchers advocate a similar approach for overcoming transport's climate change impacts. This study argues that finding a technical solution for this problem is not possible. Instead, the world will have to move to an alternative surface transport system involving far lower levels of motorised travel.Keywords:Green mobility; Fuel efficiency; Alternative fuels; Global climate change; air pollution1. IntroductionProvision of environmentally sustainable (or green) private transport throughout the world faces two main challenges. The first is urban and even regional air pollution, particularly in the rapidly growing cities of the industrialising world. The second is global climate change, caused mainly by rising concentrations of greenhouse gases (GHGs) in the atmosphere. These two barriers to green car mobility differ in several important ways. First, road traffic air pollution problems are more localised, because of the short atmospheric lifetimes of most vehicle pollutants and . Thus regional solutions are often not only possible, but also essential – Australian cities, for example, can (and must) solve their air pollution problems themselves. Matters are very different for global climate change. Except possibly for geo-engineering measuressuch as placing large quantities of sulphate aerosols in the lower stratosphere or erecting huge reflecting mirrors in space, one country cannot solve this problem alone. Climate change is a global problem. Nevertheless, it is possible for some countries to ‘freeload’ if the majority of nations that are important GHG emitter。
Second, there is agreement that air pollution, especially in urban areas, is potentially a serious health hazard, and that road transport can contribute greatly to urban pollutant level. For these reasons, governments in many countries are already taking effective action on air pollution. But until recently, climate change was not recognized as a major problem by some key policy makers, and all countries have yet to take effective action on reducing emissions.Third, vehicular air pollutant problems, at least in the Organisation for Economic Cooperation and Development (OECD) countries, are already showing themselves amenable to various technical solutions, such as low-sulphur fuels, unleaded petrol, and three-way catalytic converters. Some researchers have argued explicitly that global transport emissions can be reduced to very low levels with a combination of two key technical solutions –large improvements in vehicle fuel efficiency and a switch to alternative transport fuels, such as liquid biofuels and hydrogen derived from renewable energy. A much larger group implicitly support this position by projecting large future increases in car numbers and travel and even a globally interconnected highway system.Further, governments throughout the world have endorsed the United Nations Framework Convention on Climate Change (which came into effect in 1994), but at the same time are expanding their road networks, encouraging their car industry, and planning for future car traffic expansion. Overall, the majority of both researchers and policy makers appear to consider that climate change poses no threat to global car mobility. Nevertheless, other researchers argue in general that technology cannot solve the serious environment/resource problems the world faces global warming in particular. Also, the authors themselves have earlier questioned whether the current global transport system can continue on its present course. This paper attempts to resolve these competing claims.Transport, of course, is not the only source of either air pollution or global climate change. All energy-using sectors, and even land-use changes, can contribute to these two problems. It is thus important that any attempts to reduce transport's emissions do not compromise similar efforts in other sectors of the economy. It is also possible that emission reduction policies in one country could adversely affect reduction efforts elsewhere.The aim of this paper is to show that private car travel cannot form the basis for a sustainable global system of surface passenger travel. To simplify the analysis, only GHG emissions will be analysed. We argue that the risk of global climate change requires effective reductions in the next two decades or so, whereas technical solutions to drastically cut car travel's greenhouse gas emissions are only possible in a much longer time frame, and, in some cases, possibly not even then. Overall, the world will have to rely on alternative modes (various forms of public transport, walking and cycling), and, for much of the industrialised world, much-reduced levels of personal travel as well. Of course, it is quite possible that the limited time frame available is also much too short for travel reductions and modal shifts of the magnitude proposed here. The conclusions of this paper have relevance for freight and air transport, and also for other sectors of the economy faced with the need for deep cuts in GHG emissions.2. Global climate change and global car travelThe vast majority of climate scientists support the view that emissions of heat-trapping gases into the atmosphere, particularly CO2, from fossil fuel combustion and land-use changes, cause global warming by altering the earth's radiation balance. The 2007 report from the Intergovernmental Panel on Climate Change (IPCC) states that sea levels are rising, glaciers and sea ice cover are diminishing, and 11 of the 12 warmest years since 1850 have occurred in the 1995–2006 period. Their latest estimate (with a probability of 66% or greater) for climate sensitivity – the equilibrium increase in global temperature resulting from a doubling of CO2 in the atmosphere – is from 2.0 °C to 4.5 °C, with a best estimate of 3.0 °C . Atmospheric CO2 concentrations are currently rising by some two parts permillion (ppm) annually.Moreover, large positive feedback effects could result in emissions, and thus temperatures, rising much more rapidly than expected on the basis of present fuel and land-use emission releases. One such feedback is large-scale methane release from northern tundra as permafrost melts. There is some preliminary evidence that this process is already underway and. Further, studies of past climate have shown that abrupt climatic change can occur over the course of a decade or even a few years and . James Hansen, a prominent US climate scientist, has argued on the basis of paleoclimatic data that if further global warming is not limited to 1 °C beyond the year 2000 value, feedbacks could add to business-as-usual emissions, making the world a ‘different planet’. His 1 °C rise above the year 2000 figure is only slightly below the EU value of 2 °C above the pre-industrial value, given the estimated 0.74 °C warming that has occurred since 1880. He concludes that we can only continue present trends for GHG emissions for another decade or so before committing the climate to irreversible change. Here, we take a position intermediate between den Elzen and Meinshausen and Hansen, and assume that by 2030 global emissions of both CO2 and other GHGs must be reduced to 25% their current value –a four-fold reduction in current global emissions.Thus, to limit dangerous climatic change, annual emissions to the atmosphere of CO2 and other greenhouse gases will need to be greatly curtailed, unless geo-engineering or carbon sequestration techniques can be successfully deployed in time. Equal emissions per capita for all countries, as advocated by ‘contraction and convergence’ proponents , are likely to be the only acceptable proposal, since it is improbable that industrialising countries such as China or India will permanently accept lower per capita emissions than the already industrialised countries. They could go further, and demand parity in cumulative per capita emissions over the past century for CO2, a long-lived gas. Such an approach would require the already industrialised countries to reduce emissions to near zero. In 2003, global CO2 emissions from fossil fuels averaged 4.2 t/capita, but varied widely from country to country. The US, Australian and Japanese emissions were, respectively, 4.8, 4.3 and2.2 times larger than the world average, implying reduction factors of roughly 19, 17 and 9. (The US reduction value of 19 by 2030 can be compared with Huesemann's calculated value of 66, although his reduction is for 2050.) Although many tropical African countries emitted less than 5% of the average global value, most of the industrialising world would also need to reduce emissions. In the absence of reliable national data, we assume here that other GHG emissions for each country follow the same pattern as fossil fuel CO2 emissions.What are the implications for transport, and private car travel in particular, of these proposed reductions in GHG emissions? Transport contributed an estimated 19% of global GHG emissions in 1971, but 25% in 2006. In 2003, there were roughly 715 million cars in the world (including light commercial vehicles in the US), and 6270 million people, for an average car ownership of 114/1000 persons and . But when considered at the national level, ownership is far from normally distributed. Although the global average is 114/1000 persons, only about 18.5% of the world population lived in countries with between 20 and 200 cars/1000 persons. A further 65% lived in countries with less than 20 cars/1000 (including China and India), and the remaining 16.5% in countries with greater –usually far greater –than 200 cars/1000.Clearly, car ownership is presently heavily polarised; people either live in highly motorised countries – usually in the OECD – or in countries with very low levels of car ownership. But the picture is changing. People in all countries, but particularly those in Asia, want to own a car; indeed, Asia reportedly leads the world in aspirations for car ownership . Where incomes are rising rapidly, as in populous China and India, so too are car sales and ownership. In 2006, China, with sales of 4.1 million, became the world's third largest market for cars, overtaking Germany (3.4 million cars sold). By 2010 it is forecast that China will move into second place ahead of Japan, with only the US ahead. India sold 1.0 million cars in 2006, and annual sales are rising rapidly there as well. Despite urban congestion problems, these countries see vehicle manufacture as an important part of their industrialisation programs, and the major world car companies are investing heavily in new Asian production. In brief, thesecountries and others want to shift their societies from the low to the high motorisation group.What if the whole world moved to the high car ownership group? In the OECD countries, car ownership averages over 450 cars/1000 and , and even in with 500 or more cars/1000, is still growing. In the US, light vehicle ownership at 777/1000 residents in 2004, was 15% larger than the licensed driver population. Global car passenger-km (p-km) in any year is a product of the following three factors: For 2030, the UN median projection for world population is 8.20 billion, and for 2050, 9.08 billion. Assume car ownership per 1000 world population reached an average of 300 in 2030 (which would allow most presently non-motorised countries to attain a basic automobility level of 200 cars/1000 persons), and that the present average p-km/car remains unchanged. World cars would then total 2.46 billion. This projected 2030 value for both total cars and global car p-km is 3.44 times the present world total. Unless fuel efficiency and/or the fuels used change, GHG emissions (and oil consumption) would rise similarly. But, as we have argued, total emissions may well have to be reduced four-fold. Assuming that percentage reductions in car travel emissions must match overall reductions, emissions per car p-km would need to fall about 14-fold by 2030 compared with their present value. The exact value would of course vary from country to country: for the US, Australia and Japan, reduction factors would be 23.6, 22.0 and 8.6, respectively, conservatively assuming no further rise in car numbers in these countries and . Reduction factors would also be high for countries with very low car ownership, but in this case the reductions refer to aspirations, not actual travel or emissions. The next two sections examine whether such reductions are possible in the requisite time frame.3. Greening car mobility: more passenger-km per unit of fuel energyFor GHG emission reductions, the aim is to maximise travel for a given level of CO2-e emissions. Thus, p-km/kg CO2-e is to be maximised for the global car fleet. This ratio in turn can be expanded into the product of the following three factors: This section deals with occupancy rates and fuel efficiency, which together enable personal travel per MJ of fuel to be increased. The following section examinesways of lowering GHG emissions by using alternative fuels, usually with new power systems. In such analyses, it is important to distinguish between, on the one hand, voluntary change, or politically feasible mandated changes under normal conditions, and on the other, changes due to what climatologists in a different context term ‘external forcing’ –for example changes brought about by declining global oil production, or by governments being required to meet serious GHG reduction targets.3.1. Improving occupancy ratesImproving vehicle occupancy has an important advantage: in principle it can be implemented very rapidly with the existing vehicle fleet. The potential efficiency gains are also large. For a typical five-seat car, occupancy rates have effective lower and upper limits of 20% (driver only, equivalent to 1.0 p-km/v-km) and 100% (all seats occupied), respectively, but actual overall values in the highly motorised OECD countries seem to fall in the 25–35% range (1.25–1.75 p-km/v-km).3.2. Improving fuel efficiencyImproving the energy efficiency of cars is often seen as a means of addressing not only greenhouse gas emissions, but also air pollution and global oil depletion/supply security. Two general approaches are possible. The first is to decrease the road load –the sum of rolling, inertial, and air resistance –a general approach that will be needed by all future vehicles, whether private or public transport. Reducing the mass of the vehicle by using lighter weight materials is the most important means of decreasing the road load. The second is to improve the share of input energy that drives the wheels. Electric drive is today regarded as the best approach for achieving this aim, mainly because it enables regenerative braking and eliminates idling.4. Greening car mobility: lower emissions per unit of fuel energyOne way around the difficulty of raising vehicle efficiency is to move away from petroleum-based fuels to fuels with a lower GHG emissions impact. A variety of alternative fuels systems have been advocated for road transport as a way of cutting GHG emissions. These include various biomass-based fuels for internal combustion-engined vehicles, and use of renewable energy to produce hydrogen forfuel cell vehicles or electricity for plug-in hybrids and pure battery electric vehicles. LPG and compressed natural gas are also presently used alternatives to petrol and diesel, but are themselves hydrocarbon fuels in limited supply, and their emission reduction benefits over petrol are minor and . Synthetic fuels made from more abundant coal reserves would double the GHG penalty. Accordingly, this section first looks at biomass-based liquid fuels for existing vehicle types, then at various renewable energy options for alternative propulsion system vehicles.At present, the only transport biofuels produced in quantity are ethanol, chiefly in US and Brazil, but also in an increasing number of other countries, including Australia, and biodiesel, produced mainly in the European Union (EU).The large US and Brazilian ethanol programs are based on corn and sugarcane, respectively, the EU's biodiesel on rapeseed oil. All are food crops, which limit their expansion in a world with unmet food needs, and a still-growing population and . Already, corn prices have risen steeply, as growers can now sell their corn in either the food or fuel markets. Furthermore, at least for grain ethanol, both in the US and in the EU, the fossil fuel energy inputs are, at best, not much below the energy content of the resulting liquid fuel.Initial enthusiasm for pure battery electric vehicles faded when the difficulty of matching the range of internal combustion vehicles became apparent. The new focus is on rechargeable battery hybrid vehicles (often called plug-in hybrids), building on the sales success of hybrid cars and. Plug-in hybrids would normally run off an electric motor powered from rechargeable batteries, but could also run on petrol or other liquid fuels from their small conventional engines, thus extending their range.Car companies in recent years have also shown much interest in hydrogen fuel cell vehicles. But a number of studies have shown that when mains electricity is the primary energy source for both plug-in hybrid vehicles and hydrogen fuel cell vehicles, plug-in hybrids are far more energy-efficient. Specifically, when a given car model is a plug-in battery hybrid vehicle, running off its battery, its well-to-wheels energy efficiency will be up to four times higher than when powered by a hydrogen fuel cell, with the hydrogen produced by electrolysis of water, and . GHG emissionswill follow a similar pattern. Fuel cell vehicles still face many challenges, and infrastructure provision will be expensive. If the hydrogen is produced from natural gas, fuel cell vehicles are slightly more efficient than battery electric vehicles [60]. But the same study projected that in 2020, hybrid gasoline vehicles will be more energy-efficient (in km/MJ) than either battery electric or fuel cell vehicles using NG-derived hydrogen.5. Sustainable and equitable global transportThe preceding sections examined various options for decreasing the GHG emissions per p-km of car travel, and concluded that large reductions could not be expected any time soon. Cutting emissions from freight and air travel are likely to be even more difficult. Not only do both already have far higher loadings than car travel, but also the long service lives of modern aircraft (up to 50 years), limit rapid fleet turnover and .If deep reductions in overall transport GHGs are needed, correspondingly deep reductions in car p-km will be necessary. This section evaluates the travel changes needed, both in high and low car ownership countries.It follows that in most OECD countries, vehicular travel itself will need to be lowered. Fortunately, a surface transport system based on public transport will have much lower overall passenger travel than the one based on private cars, for several reasons:•Private cars, except for some congested inner urban areas, usually allow higher door-to-door speeds than alternative transport modes. Trips that formerly could not be done in a restricted time frame (e.g. work lunch hour) may now be possible, and most trips will have their time costs reduced. Further, in many cases trips cannot be feasibly undertaken at all by alternative modes.•The structure of priva te motoring costs usually favours high levels of travel, since fixed costs, especially depreciation, registration and insurance, predominate and . Motorists' travel costs per v-km are thus minimised at higher annual levels of vehicle use.•Serving the trav el needs of others involves higher levels of passenger travel compared with alternative modes. For example, a parent chauffeuring a child toschool involves two person trips from home to school and one-person trip from school to home. In contrast, travelling by bus involves only one vehicular trip (and walking to school none at all).•Car travel, particularly driving, provides psychological benefits to motorists. To a much greater extent than alternative travel modes, car travel is not solely a derived demand, undertaken to gain access to out-of-home activitie. ‘Going for a drive’ can be the reason for a trip. Additionally, car travel provides protection from the elements, freedom from timetables, privacy, and the ability to carry heavy luggage or shopping purchases, all of which encourage more trip-making than would an alternative transport system.Travel patterns (and the activity patterns which underlie them) of previously highly mobile societies will have to change to accommodate lower vehicular travel levels. Some of the reductions can be compensated by much higher levels of non-motorised travel – walking and cycling. At present, OECD non-motorised travel typically only amounts to about 1 km daily, but it is probable that its value for exercise and weight reduction will receive more emphasis. And although large-scale changes in urban form cannot happen fast, changes at the micro-level can. More use could be made of local shopping, entertainment, and recreation centres, and of those destinations easily accessible by public transport. Travellers could once more get used to combining previously separate vehicular trips. Particularly in the transition to the new system, these changes will be easier for inner city residents, and harder for outer suburban or non-urban residents with less provision for alternative modes. Yet given the entrenchment of the car in western countries, it is difficult to anticipate outcomes from policies to reduce car travel. One way of overcoming this problem is to conduct small-scale social experiments in selected localities (such as for speed reductions, car sharing or parking restrictions) to help understand their impact. If successful, they could be more confidently introduced on a wider-scale.译文全球绿色新能源汽车的发展前景(译文6100字)帕特里克·莫里亚蒂;达蒙·哈尼摘要绿色新能源汽车的发展,面临着两大挑战:废气排放对空气造成的污染和温室气体排放造成的全球气候变化。