青岛暖通设计逐时冷负荷计算温度参数表
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时间10:0011:0012:0013:0014:0015:0016:00tc 41.941.140.239.538.938.538.3Δtd k αk ρtc'tR K A Qc'时间10:0011:0012:0013:0014:0015:0016:00tc 33.933.533.232.932.832.933.1Δtd k αk ρtc'tR Δt K A Qc'时间10:0011:0012:0013:0014:0015:0016:00tc 2929.930.831.531.932.232.2Δtd3131.932.833.533.934.234.2tR Δt 5 5.9 6.87.57.98.28.2K A Qc'时间10:0011:0012:0013:0014:0015:0016:00Clq 0.580.720.840.80.620.450.32Djmax Cc,s A Qc'冷负荷的计算一、办公室1的冷负荷计算暖通空调课程设计1.53.75*3.3-3.152.南外墙冷负荷0.693.75×6.6=1.屋面冷负荷:由附录2-5查得屋面冷负荷计算温度逐时值0.94260.40.9950.9950.50.97264.透过玻璃窗日射得热引起的冷负荷3.南外窗瞬时传热冷负荷22510.436.3*0.75=45.人员散热引起的冷负荷26*1.23.15*2=6时间10:0011:0012:0013:0014:0015:0016:00Clq 0.660.720.770.80.830.850.87qs n ψQc'ql Qc'合计时间10:0011:0012:0013:0014:0015:0016:00Clq n1n2N Qc'时间10:0011:0012:0013:0014:0015:0016:00屋顶负荷外墙负荷窗传热负荷窗日射负荷人员负荷灯光负荷总计时间10:0011:0012:0013:0014:0015:0016:00tc 41.941.140.239.538.938.538.3Δtd k αk ρtc'tR K A Qc'时间10:0011:0012:0013:0014:0015:0016:00tc 33.933.533.232.932.832.933.1Δtd k αk ρtc'tR Δt0.693.75×7.5=22.南外墙冷负荷60.53.75*6.6*0.0.97262673.36.照明散热形成的冷负荷二、办公室5的冷负荷计算1.屋面冷负荷:由附录2-5查得屋面冷负荷计算温度逐时值0.40.530*3.75*6.67.各分项逐时冷负荷汇总表 1.20.60.94KAQc'3.东外墙冷负荷时间10:0011:0012:0013:0014:0015:0016:00 tc35.2353535.235.636.136.6Δtdkαkρtc'tRΔtKAQc'时间10:0011:0012:0013:0014:0015:0016:00 tc2929.930.831.531.932.232.2Δtd3131.932.833.533.934.234.2 tRΔt5 5.9 6.87.57.98.28.2 KAQc'时间10:0011:0012:0013:0014:0015:0016:00 Clq0.590.380.240.240.230.210.18 DjmaxCc,sAQc'时间10:0011:0012:0013:0014:0015:0016:00 Clq0.660.720.770.80.830.850.87 qsnψQc'qlQc'合计时间10:0011:0012:0013:0014:0015:0016:00 Clqn1 n21.2 0.66.人员散热引起的冷负荷2.4*2*0.753.75*3.3=11.50.90.97261.5 7.5*3.3-2.4*4.东外窗瞬时传热冷负荷226*1.22.4*2=4 5.透过玻璃窗日射得热引起的冷负荷5750.4360.53.75*7.5*0.73.3 7.照明散热形成的冷负荷N Qc'时间10:0011:0012:0013:0014:0015:0016:00屋顶负荷外墙负荷窗传热负荷窗日射负荷人员负荷灯光负荷总计时间10:0011:0012:0013:0014:0015:0016:00tc 31.83131.431.331.231.231.3Δtdk αk ρtc'tRΔtKAQc'时间10:0011:0012:0013:0014:0015:0016:00屋顶负荷外墙负荷窗传热负荷窗日射负荷人员负荷灯光负荷总计时间10:0011:0012:0013:0014:0015:0016:00tc 31.83131.431.331.231.231.3Δtdk αk ρtc'tRΔt30*3.75*7.5=1.80.9726三、办公室6的冷负荷计算8.各分项逐时冷负荷汇总表其屋顶冷负荷、东外墙冷负荷、东外窗冷负荷、人员散热引起的冷负荷及照明散热形成1.北外墙冷负荷 1.80.97261.53.75*3.3=1四、办公室7的冷负荷计算其屋顶冷负荷、人员散热引起的冷负荷及照明散热形成的冷负荷均与1相同,现只计算北1.北外墙冷负荷2.各分项逐时冷负荷汇总表K A Qc'时间10:0011:0012:0013:0014:0015:0016:00tc 2929.930.831.531.932.232.2Δtd3131.932.833.533.934.234.2tR Δt 5 5.9 6.87.57.98.28.2K A Qc'时间10:0011:0012:0013:0014:0015:0016:00Clq 0.750.810.830.830.790.710.6Djmax Cc,s A Qc'时间10:0011:0012:0013:0014:0015:0016:00屋顶负荷外墙负荷窗传热负荷窗日射负荷人员负荷灯光负荷总计时间10:0011:0012:0013:0014:0015:0016:00tc 41.941.140.239.538.938.538.3Δtd k αk ρtc'tR K A Qc'时间10:0011:0012:0013:0014:0015:0016:00tc 33.933.533.232.932.832.933.1Δtd k α1.53.75*3.3-3.152.北外窗瞬时传热冷负荷*1.23.15*2=64.透过玻璃窗日射得热引起的冷负荷2261220.433.15*2*0.75五、办公室12的冷负荷计算1.屋面冷负荷:由附录2-5查得屋面冷负荷计算温度逐时值0.45.各分项逐时冷负荷汇总表0.94260.694.25×6.6=2.南外墙冷负荷0.5k ρtc'tR Δt K A Qc'时间10:0011:0012:0013:0014:0015:0016:00tc 2929.930.831.531.932.232.2Δtd3131.932.833.533.934.234.2tR Δt 5 5.9 6.87.57.98.28.2K A Qc'时间10:0011:0012:0013:0014:0015:0016:00Clq 0.580.720.840.80.620.450.32Djmax Cc,s A Qc'时间10:0011:0012:0013:0014:0015:0016:00Clq 0.660.720.770.80.830.850.87qs n ψQc'ql Qc'合计时间10:0011:0012:0013:0014:0015:0016:00Clq n1n2N Qc'时间10:0011:0012:0013:0014:0015:0016:00屋顶负荷外墙负荷窗传热负荷窗日射负荷0.97261.54.25*3.3-3.653.南外窗瞬时传热冷负荷226*1.23.65*2=74.透过玻璃窗日射得热引起的冷负荷2510.433.65*2*0.755.人员散热引起的冷负荷60.51.20.64.25*6.6*0.73.36.照明散热形成的冷负荷30*4.25*6.67.各分项逐时冷负荷汇总表人员负荷灯光负荷总计时间10:0011:0012:0013:0014:0015:0016:00tc 41.941.140.239.538.938.538.3Δtdk αk ρtc'tRKAQc'时间10:0011:0012:0013:0014:0015:0016:00tc 33.933.533.232.932.832.933.1Δtdk αk ρtc'tRΔtKAQc'时间10:0011:0012:0013:0014:0015:0016:00tc 2929.930.831.531.932.232.2Δtd3131.932.833.533.934.234.2tRΔt 5 5.9 6.87.57.98.28.2KAQc'时间10:0011:0012:0013:0014:0015:0016:00Clq 0.580.720.840.80.620.450.32DjmaxCc,sAQc'时间10:0011:0012:0013:0014:0015:0016:00六、招办报名室的冷负荷计算1.屋面冷负荷:由附录2-5查得屋面冷负荷计算温度逐时值0.40.94260.69(4.25+6)×62.南外墙冷负荷0.50.97261.5(6+4.25)*3.3-(2.4*3.南外窗瞬时传热冷负荷226*1.25.西外墙冷负荷 2.4*2*2+3.654.透过玻璃窗日射得热引起的冷负荷(2.4*2*2+3.65*2)*0.432.4*2*2+3.65tc 36.836.335.935.535.234.934.8Δtd k αk ρtc'tR Δt K A Qc'时间10:0011:0012:0013:0014:0015:0016:00Clq 0.660.720.770.80.830.850.87qs n ψQc'ql Qc'合计时间10:0011:0012:0013:0014:0015:0016:00Clq n1n2N Qc'时间10:0011:0012:0013:0014:0015:0016:00屋顶负荷外墙负荷窗传热负荷窗日射负荷人员负荷灯光负荷总计七 信访接待室1 屋面冷负荷8.各分项逐时冷负荷汇总表6.人员散热引起的冷负荷260.90.977.照明散热形成的冷负荷 1.20.61.56.6*3.3=260.5(4.25+6)×6.73.3程设计17:0018:0019:0020:0021:0022:0023:0038.438.839.440.241.14242.90.40.9950.94260.69×6.6=24.7517:0018:0019:0020:0021:0022:0023:0033.433.934.434.935.335.7360.50.9950.97261.5-3.15*2=6.07517:0018:0019:0020:0021:0022:0023:003231.630.829.929.128.427.8 23433.632.831.931.130.429.8 2687.6 6.8 5.9 5.1 4.4 3.9 *1.25*2=6.317:0018:0019:0020:0021:0022:0023:000.240.160.10.090.090.080.082510.43.75=4.72517:0018:0019:0020:0021:0022:0023:000.890.90.910.920.930.940.47 60.5.6*0.07≈273.317:0018:0019:0020:0021:0022:0023:00 1.20.65*6.6=742.517:0018:0019:0020:0021:0022:0023:00 17:0018:0019:0020:0021:0022:0023:0038.438.839.440.241.14242.9 0.40.94260.697.5=28.12517:0018:0019:0020:0021:0022:0023:0033.433.934.434.935.335.736 0.50.97261.53.3=12.37517:0018:0019:0020:0021:0022:0023:0037.137.537.938.238.438.538.6 0.90.97261.5-2.4*2=19.9517:0018:0019:0020:0021:0022:0023:00 3231.630.829.929.128.427.8 23433.632.831.931.130.429.8 2687.6 6.8 5.9 5.1 4.4 3.9 *1.24*2=4.817:0018:0019:0020:0021:0022:0023:000.150.110.080.070.070.060.06 5750.43*0.75=3.617:0018:0019:0020:0021:0022:0023:000.890.90.910.920.930.940.47 60.5.5*0.07≈273.317:0018:0019:0020:0021:0022:0023:00 1.20.6*7.5=843.7517:0018:0019:0020:0021:0022:0023:00热形成的冷负荷均与5相同,现只计算北外墙冷负荷。
时间0.250.290.330.380.420.460.5032.8032.6032.3032.1031.8031.0031.40-1.60-1.60-1.60-1.60-1.60-1.60-1.600.970.970.970.970.970.970.970.940.940.940.940.940.940.9428.4528.2727.9927.8127.5426.8127.1725.0025.0025.0025.0025.0025.0025.003.45 3.27 2.99 2.81 2.54 1.81 2.170.650.650.650.650.650.650.6541.7641.7641.7641.7641.7641.7641.7693.6088.6581.2276.2768.8549.0558.95时间0.250.290.330.380.420.460.5033.6038.2037.8037.3036.8036.3035.90-1.90-1.90-1.90-1.90-1.90-1.90-1.900.970.970.970.970.970.970.970.940.940.940.940.940.940.9428.9033.1032.7332.2831.8231.3731.0025.0025.0025.0025.0025.0025.0025.003.908.107.737.28 6.82 6.37 6.000.650.650.650.650.650.650.6524.4224.4224.4224.4224.4224.4224.4261.97128.54122.76115.52108.28101.0595.26时间0.250.290.330.380.420.460.5036.9036.4036.0035.5035.2035.0035.00-1.90-1.90-1.90-1.90-1.90-1.90-1.900.970.970.970.970.970.970.970.940.940.940.940.940.940.9431.9131.4631.0930.6430.3630.1830.1825.0025.0025.0025.0025.0025.0025.006.91 6.46 6.09 5.64 5.36 5.18 5.180.650.650.650.650.650.650.6515.3315.3315.3315.3315.3315.3315.3368.8864.3460.7156.1653.4451.6251.62时间0.250.290.330.380.420.460.5035.3035.0034.6034.2033.9033.5033.20-1.40-1.40-1.40-1.40-1.40-1.40-1.400.970.970.970.970.970.970.970.940.940.940.940.940.940.9430.9130.6430.2729.9129.6329.2729.0025.0025.0025.0025.0025.0025.0025.005.91 5.64 5.27 4.91 4.63 4.27 4.000.650.650.650.650.650.650.6563.3063.3063.3063.3063.3063.3063.30243.17231.91216.91201.90190.65175.64164.38 467.62513.45481.59449.86421.21377.35370.21时间0.250.290.330.380.420.460.5037.1035.5034.1033.1032.7033.0034.00-2.70-2.70-2.70-2.70-2.70-2.70-2.700.970.970.970.970.970.970.970.940.940.940.940.940.940.9431.3729.9128.6327.7227.3527.6328.5425.0025.0025.0025.0025.0025.0025.006.37 4.91 3.63 2.72 2.35 2.63 3.541.95 1.95 1.95 1.95 1.95 1.95 1.95228.00228.00228.00228.00228.00228.00228.002830.292181.671614.131208.741046.591168.201573.59时间0.250.290.330.380.420.460.5025.4026.0026.9027.9029.0029.9030.80-1.00-1.00-1.00-1.00-1.00-1.00-1.0024.4025.0025.9026.9028.0028.9029.8025.0025.0025.0025.0025.0025.0025.00-0.600.000.90 1.90 3.00 3.90 4.803.61 3.61 3.61 3.61 3.61 3.61 3.61162.03162.03162.03162.03162.03162.03162.03-421.380.00632.071334.382106.912738.983371.05时间0.250.290.330.380.420.460.500.470.680.820.790.590.380.24599.00599.00599.00599.00599.00599.00599.000.520.520.520.520.520.520.5215.7515.7515.7515.7515.7515.7515.751716.002482.722993.862884.332154.121387.40876.25时间0.250.290.330.380.420.460.500.080.110.140.170.180.190.20599.00599.00599.00599.00599.00599.00599.000.520.520.520.520.520.520.520.000.000.000.000.000.000.00时间0.250.290.330.380.420.460.500.110.180.260.400.580.720.84302.00302.00302.00302.00302.00302.00302.000.520.520.520.520.520.520.52142.50142.50142.50142.50142.50142.50142.501832.002997.824330.186661.829659.6411991.2713989.82时间0.250.290.330.380.420.460.500.590.540.540.650.750.810.83114.00114.00114.00114.00114.00114.00114.000.520.520.520.520.520.520.523.78 3.78 3.78 3.78 3.78 3.78 3.7898.3990.0590.05108.40125.07135.08138.423646.395570.597414.109654.5511938.8313513.7515004.49时间0.250.290.330.380.420.460.500.070.060.530.620.690.740.7765.1365.1365.1365.1365.1365.1365.130.930.930.930.930.930.930.930.000.000.000.000.000.000.0068.6168.6168.6168.6168.6168.6168.610.000.000.000.000.000.000.00合计0.000.000.000.000.000.000.00时间0.250.290.330.380.420.460.500.130.110.580.660.720.770.8063.9763.9763.9763.9763.9763.9763.97322.00322.00322.00322.00322.00322.00322.000.890.890.890.890.890.890.892383.232016.5810632.8612099.4613199.4214116.0414666.02117.46117.46117.46117.46117.46117.46117.464376.023702.7919523.7822216.7124236.4125919.5026929.35合计675957193015734316374364003641595时间0.250.290.330.380.420.460.500.120.110.370.670.710.740.761.20 1.20 1.20 1.20 1.20 1.20 1.200.600.600.600.600.600.600.60807.28807.28807.28807.28807.28807.28807.28 557.99511.491720.483115.453301.453440.953533.95时间0.250.290.330.380.420.460.50屋顶负荷外墙负荷窗传热负1574 28302182161412091047 4685134824504213773701168-42106321334210727393371荷窗日射负荷人员负荷灯光负荷设备负荷总计14995155464873657530642276967074159时间6:007:008:009:0010:0011:0012:000.110.100.640.710.760.800.8310494.6410494.6410494.6410494.6410494.6410494.6410494.6413.0013.0013.0013.0013.0013.0013.00807.28807.28807.28807.28807.28807.28807.281154.411049.466716.577451.197975.938395.718710.551500436465571741496551193967595719301573431637436400364159513514558511172031153301344135348396871111541049671774517976北外墙冷负荷0.540.580.630.670.710.750.790.830.88 31.3031.2031.2031.3031.4031.6031.8032.1032.40 -1.60-1.60-1.60-1.60-1.60-1.60-1.60-1.60-1.60 0.970.970.970.970.970.970.970.970.97 0.940.940.940.940.940.940.940.940.94 27.0826.9926.9927.0827.1727.3527.5427.8128.08 25.0025.0025.0025.0025.0025.0025.0025.0025.00 2.08 1.99 1.99 2.08 2.17 2.35 2.54 2.81 3.08 0.650.650.650.650.650.650.650.650.65 41.7641.7641.7641.7641.7641.7641.7641.7641.76 56.4754.0054.0056.4758.9563.9068.8576.2783.70西外墙冷负荷0.540.580.630.670.710.750.790.830.88 35.5035.2034.9034.8034.8034.9035.3035.8036.50 -1.90-1.90-1.90-1.90-1.90-1.90-1.90-1.90-1.90 0.970.970.970.970.970.970.970.970.97 0.940.940.940.940.940.940.940.940.94 30.6430.3630.0930.0030.0030.0930.4530.9131.55 25.0025.0025.0025.0025.0025.0025.0025.0025.00 5.64 5.36 5.09 5.00 5.00 5.09 5.45 5.91 6.55 0.650.650.650.650.650.650.650.650.65 24.4224.4224.4224.4224.4224.4224.4224.4224.42 89.4785.1380.7879.3479.3480.7886.5793.81103.94东外墙冷负荷0.540.580.630.670.710.750.790.830.88 35.2035.6036.1036.6037.1037.5037.9038.2038.40 -1.90-1.90-1.90-1.90-1.90-1.90-1.90-1.90-1.90 0.970.970.970.970.970.970.970.970.97 0.940.940.940.940.940.940.940.940.94 30.3630.7331.1831.6432.1032.4632.8233.1033.28 25.0025.0025.0025.0025.0025.0025.0025.0025.00 5.36 5.73 6.18 6.647.107.467.828.108.28 0.650.650.650.650.650.650.650.650.65 15.3315.3315.3315.3315.3315.3315.3315.3315.33 53.4457.0761.6266.1670.7074.3477.9780.7082.51南外墙冷负荷0.540.580.630.670.710.750.790.830.88 32.9032.8032.9033.1033.4033.9034.4034.9035.30 -1.40-1.40-1.40-1.40-1.40-1.40-1.40-1.40-1.40 0.970.970.970.970.970.970.970.970.97 0.940.940.940.940.940.940.940.940.94 28.7228.6328.7228.9029.1829.6330.0930.5530.91 25.0025.0025.0025.0025.0025.0025.0025.0025.00 3.72 3.63 3.72 3.90 4.18 4.63 5.09 5.55 5.91 0.650.650.650.650.650.650.650.650.6563.3063.3063.3063.3063.3063.3063.3063.3063.30 153.13149.38153.13160.63171.89190.65209.40228.16243.17 352.51345.57349.53362.60380.87409.66442.79478.94513.32屋顶冷负荷0.540.580.630.670.710.750.790.830.88 35.8038.1040.7043.5046.1048.3049.9050.8050.90-2.70-2.70-2.70-2.70-2.70-2.70-2.70-2.70-2.700.970.970.970.970.970.970.970.970.970.940.940.940.940.940.940.940.940.94 30.1832.2834.6537.2039.5741.5843.0443.8643.95 25.0025.0025.0025.0025.0025.0025.0025.0025.00 5.187.289.6512.2014.5716.5818.0418.8618.95 1.95 1.95 1.95 1.95 1.95 1.95 1.95 1.95 1.95 228.00228.00228.00228.00228.00228.00228.00228.00228.00 2303.293235.674289.685424.766478.767370.618019.238384.088424.62瞬时传热冷负荷0.540.580.630.670.710.750.790.830.88 31.5031.9032.2032.0032.0031.6030.8029.9029.10-1.00-1.00-1.00-1.00-1.00-1.00-1.00-1.00-1.00 30.5030.9031.2031.0031.0030.6029.8028.9028.10 25.0025.0025.0025.0025.0025.0025.0025.0025.00 5.50 5.90 6.20 6.00 6.00 5.60 4.80 3.90 3.103.61 3.61 3.61 3.61 3.61 3.61 3.61 3.61 3.61 162.03162.03162.03162.03162.03162.03162.03162.03162.03 3862.674143.594354.284213.824213.823932.903371.052738.982177.14东外窗入射得热引起的冷负荷0.540.580.630.670.710.750.790.830.880.240.230.210.180.150.110.080.070.07 599.00599.00599.00599.00599.00599.00599.00599.00599.00 0.520.520.520.520.520.520.520.520.52 15.7515.7515.7515.7515.7515.7515.7515.7515.75 876.25839.74766.72657.19547.66401.62292.08255.57255.57西外窗入射得热引起的冷负荷0.540.580.630.670.710.750.790.830.880.340.560.720.830.770.530.110.100.09 599.00599.00599.00599.00599.00599.00599.00599.00599.00 0.520.520.520.520.520.520.520.520.520.000.000.000.000.000.000.000.000.00南外窗入射得热引起的冷负荷0.540.580.630.670.710.750.790.830.880.800.620.450.320.240.160.100.090.09 302.00302.00302.00302.00302.00302.00302.00302.00302.00 0.520.520.520.520.520.520.520.520.52 142.50142.50142.50142.50142.50142.50142.50142.50142.5013323.6410325.827494.555329.453997.092664.731665.451498.911498.910.540.580.630.670.710.750.790.830.880.830.790.710.600.610.680.170.160.15114.00114.00114.00114.00114.00114.00114.00114.00114.000.520.520.520.520.520.520.520.520.523.78 3.78 3.78 3.78 3.78 3.78 3.78 3.78 3.78138.42131.75118.40100.06101.73113.4028.3526.6825.0114338.3011297.318379.676086.704646.483179.741985.891781.171779.500.540.580.630.670.710.750.790.830.880.800.830.850.870.890.420.340.280.2365.1365.1365.1365.1365.1365.1365.1365.1365.130.930.930.930.930.930.930.930.930.930.000.000.000.000.000.000.000.000.0068.6168.6168.6168.6168.6168.6168.6168.6168.610.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.540.580.630.670.710.750.790.830.880.830.850.870.890.900.910.920.930.9463.9763.9763.9763.9763.9763.9763.9763.9763.97322.00322.00322.00322.00322.00322.00322.00322.00322.000.890.890.890.890.890.890.890.890.8915215.9915582.6415949.2916315.9516499.2716682.6016865.9217049.2517232.57117.46117.46117.46117.46117.46117.46117.46117.46117.4627939.2028612.4329285.6729958.9030295.5230632.1330968.7531305.3731641.994315544195452354627546795473154783548355488750.540.580.630.670.710.750.790.830.880.790.810.830.840.860.870.890.900.921.20 1.20 1.20 1.20 1.20 1.20 1.20 1.20 1.200.600.600.600.600.600.600.600.600.60807.28807.28807.28807.28807.28807.28807.28807.28807.283673.453766.453859.443905.943998.944045.444138.444184.944277.940.540.580.630.670.710.750.790.830.88办公人员散热引起的冷负荷照明散热引起的冷负荷商场人员散热引起的冷负荷各分项逐时冷负荷汇总表北外窗入射得热引起的冷负荷23033236429051384253533463503633815425647973718019838427392177386341444354421442143933337141044347976606761147580875714761697601375552757887601713:0014:0015:0016:0017:0018:0019:0020:0021:000.850.870.890.900.920.930.930.940.9510494.6410494.6410494.6410494.6410494.6410494.6410494.6410494.6410494.6413.0013.0013.0013.0013.0013.0013.0013.0013.00807.28807.28807.28807.28807.28807.28807.28807.28807.288920.449130.349340.239445.189655.079760.029760.029864.969969.91设备散热引起的冷负荷143381129783804887517794315544195452354627546795608746463180198617814185427836733766385939063999404541384731547835483558920913093409970944596559760976098650.920.96 1.00 32.6032.9033.10 -1.60-1.60-1.60 0.970.970.97 0.940.940.94 28.2728.5428.72 25.0025.0025.00 3.27 3.54 3.72 0.650.650.65 41.7641.7641.76 88.6596.07101.020.920.96 1.00 37.3038.0038.50 -1.90-1.90-1.90 0.970.970.97 0.940.940.94 32.2832.9233.37 25.0025.0025.00 7.287.928.37 0.650.650.65 24.4224.4224.42 115.52125.65132.890.920.96 1.00 38.5038.6038.50 -1.90-1.90-1.90 0.970.970.97 0.940.940.94 33.3733.4633.37 25.0025.0025.00 8.378.468.37 0.650.650.65 15.3315.3315.33 83.4284.3383.420.920.96 1.00 35.7036.0036.10 -1.40-1.40-1.40 0.970.970.97 0.940.940.94 31.2731.5531.64 25.0025.0025.00 6.27 6.55 6.64 0.650.650.6563.3063.3063.30 258.17269.43273.18 545.76575.48590.510.920.96 1.00 50.3049.2047.70-2.70-2.70-2.700.970.970.970.940.940.94 43.4042.4041.03 25.0025.0025.00 18.4017.4016.03 1.95 1.95 1.95 228.00228.00228.00 8181.397735.467127.380.920.96 1.000.060.060.06 599.00599.00599.00 0.520.520.52 15.7515.7515.75 219.06219.06219.060.920.96 1.000.090.080.08 599.00599.00599.00 0.520.520.520.000.000.000.920.96 1.000.080.080.07 302.00302.00302.00 0.520.520.52 142.50142.50142.501332.361332.361165.820.920.96 1.000.140.130.12 114.00114.00114.00 0.520.520.523.78 3.78 3.78 23.3521.6820.01 1574.771573.111404.890.920.96 1.000.200.170.15 65.1365.1365.130.930.930.930.000.000.00 68.6168.6168.610.000.000.000.000.000.000.920.96 1.000.470.380.31 63.9763.9763.97 322.00322.00322.00 0.890.890.89 8616.296966.365683.08 117.46117.46117.46 15820.9912791.4410435.12 2443719758161180.920.96 1.000.290.260.231.20 1.20 1.200.600.600.60807.28807.28807.28 1348.481208.981069.480.920.96 1.00 818177357127546575591 1686126484341971354732998722:0023:0024:00:000.400.320.2710494.6410494.6410494.6413.0013.0013.00807.28807.28807.284197.863358.282833.55244371575157314051348120910691975816118419833582834。
XXXX大学环境工程学院课程设计说明书课程《暖通空调》班级姓名学号指导教师年月第1篇采暖设计1 工程概况1.1 工程概况1、本工程建筑面积约1600㎡,砖混结构,层高均为3.6M。
本工程建筑所在地湖北咸宁,供暖室外计算温度0.3℃.根据设计要求供暖室内设计温度为18℃2、窗均为铝合金推拉窗,窗高为1.5M采用中空双层玻璃,在满足建筑节能要求的前提下查得K=4 w/(㎡.℃).3、内门为木门,门高均为2M, 在满足建筑节能要求的前提下查得K=2 w/(㎡.℃) .4、走廊根据要求没有做供暖设计5、墙均为200空心砖墙,外墙做保温设计在满足建筑节能要求的前提下查得K=1 w/(㎡.℃).内墙在满足建筑节能要求的前提下查得K=1.5 w/(㎡.℃) .6、走廊因为有两侧传热作用的存在查节能设计手册差的修正系数为0.37、冷风渗入由所在供暖房间窗布置情况和数量查建筑节能手册应用换气次数法计算而得。
屋面为现浇为现浇板厚100MM,做保温和防漏水设计,在满足建筑节能要求的前提下查得K=0.8 w/(㎡.℃)2 负荷计算2.1 采暖负荷1.围护结构耗热量(1) 维护结构基本耗热量Q1j=αKF(t n+ t wn)(2) 维护结构附加耗热量①朝向修正率:北、东北、西北:0- +10%东、西:-5%东南、西南:-10%- -15%南:-15%- -30%2.冷风渗透耗热量Q2=0.28c pρwn L(t wn-t n)2.2 算例:以四层办公室(编号为401)为例咸宁市为夏热冬冷地区,由《公共建筑节能设计标准》GB50189-2005查得夏热冬冷地区外围护结构外墙的传热系数K≦1W/(m²·k),屋面传热系数≦0.7 W/(m²·k),窗墙面积比>0.2,由《公共建筑节能设计标准》GB50189-2005查得窗的传热系数K≦3.5 W/(m²·k).空调设计1 工程概况本工程建筑为宾馆大楼,建筑地点在湖北咸宁,夏季空气调节室外计算干球温度为35.7℃夏季空气调节室外计算湿球温度为28.5℃空调室内计算温度26℃部分空调房间是25℃。
冷负荷计算说明一、本工程冷负荷计算方法采用目前应用较多、以传递函数法为基础、通过研究和实验而得到的冷负荷系数法。
其中内维护结构按稳态传热计算。
二、维护结构冷负荷维护结构冷负荷,可以分为外维护结构和内维护结构两部分(一)、外维护结构冷负荷1、外窗冷负荷外窗冷负荷由两部分构成,即太阳辐射得热引起的冷负荷和温差传热引起的冷负荷。
(1)、太阳辐射得热通过玻璃引起的逐时冷负荷按下式计算:CL=C a ·C s ·C n ·F c ·D jmax ·C cl( W )(1)式中C a——窗有效面积系数;C s——窗玻璃遮挡系数;C n——窗内遮阳系数;F c——外窗面积(m2);D jmax——最大太阳辐射得热因素(W);C cl——外窗冷负荷系数。
(2)、温差传热通过玻璃窗引起的逐时冷负荷按下式计算:CL=k c·K C ·F c ·(t1+t d–t ns)( W )(2)式中k c——外窗传热系数修正值;K C——外窗夏季传热系数[W/(m2·℃)];F c——外窗面积(m2);t1——外窗冷负荷计算温度(℃);t d——外窗冷负荷计算温度地点修正值(℃);t ns——夏季室内设计温度(℃);2、外墙及屋面冷负荷温差传热通过外墙或屋面引起的逐时冷负荷按下式计算CL=K q ·F q ·(t2+t d–t ns)( W )(3)式中K q——外墙或屋面夏季传热系数[W/(m2·℃)];F q——外墙或屋面面积(m2);t1——外墙或屋面冷负荷计算温度(℃);t d——外墙或屋面冷负荷计算温度地点修正值(℃)。
三、室内冷负荷1、灯光照明引起的冷负荷按下式计算:CL=Q d·F d( W )(5)式中Q d——室内照明冷负荷估算指标(W/m2);F d——空调房间面积(m2)。
2、人体散热引起的冷负荷:CL=(0.9~0.95)•n •Q( W )(6)式中n——群集系数;Q——室内人员的全热散热量(W)。
围调设计手册》(第二版)(P1516~1557)及《采暖通风与空气调节设计规范》(2001年版)相关附录-t wp)/0.52,(2001年版)附录二《室外气象参数》wgP85),或者2008年第二版 《实用供热空调设计手册》表3.2-1 (P187)),或者教材《暖通空调》附录2-6(P365)空调》附录2-2(P362-363)或者教材《暖通空调》附录2-13(P367)或者教材《暖通空调》附录2-14(P367)),或者教材《暖通空调》附录2-15(P367)度带最大太阳辐射热量”。
指标可详见工作表“人员散湿”内参数选取,其余各项指标详见各项目《项目统一设计条件》。
虑分层空调系数,取值:0.3~0.5,本表格只考虑维护结构的分层空调系数,室内内绕负荷按实际计算最大值考虑。
为最终汇总负荷。
t’l0-tn)=F*K*((t l0-t dl)*Cα* Cρ-t n) Cρ-维护结构外表面日射吸收修正系数(可以不考虑此值)起的逐时冷负荷)计算公式: CLch.2 = 窗户面积Ca*Cs*Cn*Jmax*CCL.ch/1000热形成的冷负荷,计算公式Ql=n1*N n1-同时使用系数0.8 ;设备散热引起的冷负荷 QS=F*q f, F-空调区域面积,m2 , q f-电气设备的功率密度 w/m2;示计算区域为非餐厅区域,食物的显热散热形成的冷负荷,按照每位客人9w计算,餐厅食物的散湿量,计算公式:Dτ=0.012*Φ*nτ,食物散实用供热空调设计手册》第二版P1559 公式20.12.6及形成的潜热冷负荷,需另外计算。
m2 , q f τ=0.012*Φ*n τ,食物散湿形成的潜热负荷:Q τ=700Dr (W)。
时间0:001:002:003:004:00 t wl36.439.038.638.237.8 t dkαkρt′wl35.1937.3937.0136.6336.24 t NxΔt9.1911.3911.0110.6310.24 KFCL243.42301.85291.69281.53271.36时间0:001:002:003:004:00 t wl27.226.126.225.825.5 t dt wl+t d27.526.426.526.125.8 t NxΔt 1.50.40.50.1-0.2 CwKwFwCL27.097.229.03 1.810.00时间0:001:002:003:004:00C LQ0.080.070.070.060.06D j,maxC csFwCL65.8757.6457.6449.4049.40时间0:001:002:003:004:00 t wl27.226.126.225.825.5 t dt wl+t d25.524.424.524.123.8 t NxΔt -0.5-1.6-1.5-1.9-2.2CwKw Fw CL00000时间0:001:002:003:004:00C QL 0.10.090.090.080.08D j,max C cs Fw CL 79.9771.9771.9763.9863.98备注时间0:001:002:003:004:00t wl 27.226.126.225.825.5t d k αk ρt′wl 24.4525.0225.1224.7424.45t Nx Δt 0K F CL00000t wp 35.4qt Δt ls 2Ftls 35.4+2=37.4qst Nx 26Δt 37.4-26=11.4K 0.76F 50.4CL436.67时间0:001:002:003:004:00C lq 0.370.670.710.740.76n 15137.6688北内墙冷负荷(w)办公设备散热冷负荷(w)n2NCL390.72707.52749.76781.44802.56时间0:001:002:003:004:00 Clq0.660.740.790.820.85 qsnᵠCls371.35416.36444.49461.37478.25 q1CL合计1053.041098.051126.181143.061159.94时间0:001:002:003:004:00 t wl45.645.745.645.344.9 t dkαkρt′wl43.4343.5343.4343.1542.76 t NxΔt17.4317.5317.4317.1516.76 KFCL1175.451181.911175.451156.051130.19时间0:001:002:003:004:00 t wl27.226.126.225.825.5 t dt wl+t d25.524.424.524.123.8 t NxΔt-0.5-1.6-1.5-1.9-2.2 CwKwFwCL00000备注时间0:001:002:003:004:00C QL0.10.090.090.080.08D j,maxC csFwCL223.41201.07201.07178.73178.73时间0:001:002:003:004:00 t wl35.735.034.634.334.1 t dkαkρt′wl34.5233.5633.1732.8932.70 t NxΔt8.527.567.17 6.89 6.70 KFCL368.15326.71310.13297.69289.40备注时间0:001:002:003:004:00 t wl27.226.126.225.825.5 t dkαkρt′wl24.4525.0225.1224.7424.45 t NxΔt00000 KFCL00000时间0:001:002:003:004:00 C lq0.370.670.710.740.76 n1n2NCL13322412255626642736时间0:001:002:003:004:00 Clq0.660.740.790.820.85 qsnᵠCls3093.553468.533702.893843.503984.12 q1CL合计6441.556816.537050.897191.507332.12时间0:001:002:003:004:00 t wl45.645.745.645.344.9 t dkαkρt′wl43.4343.5343.4343.1542.76 t NxΔt17.4317.5317.4317.1516.76 KFCL2405.562418.792405.562365.872312.95时间0:001:002:003:004:00 t wl38.337.837.437.036.6 t dkαkρt′wl37.0136.2435.8635.4835.09 t NxΔt11.0110.249.869.489.09 KFCL268.66249.94240.58231.22221.86时间0:001:002:003:004:00 t wl27.226.126.225.825.5 t dt wl+t d27.526.426.526.125.8 t NxΔt 1.50.40.50.1-0.2 CwKwFwCL27.097.229.03 1.810.00时间0:001:002:003:004:00C LQ0.080.070.070.060.06D j,maxC csFwCL65.8757.6457.6449.4049.40时间0:001:002:003:004:00 t wl27.226.126.225.825.5 t dt wl+t d25.524.424.524.123.8 t NxΔt-0.5-1.6-1.5-1.9-2.2 CwKwFwCL00000时间0:001:002:003:004:00C QL0.10.090.090.080.08D j,maxC csFwCL68.9762.0762.0755.1755.17时间0:001:002:003:004:00 t wl27.226.126.225.825.5 t dkαkρt′wl24.4525.0225.1224.7424.45 t NxΔt00000 KFCL00000北内门冷负荷(w)t wp35.4Δt ls2tls35.4+2=37.4t Nx26Δt37.4-26=11.4K 2.9F 3.78CL125.00时间0:001:002:003:004:00 C lq0.370.670.710.740.76 n1n2NCL390.72707.52749.76781.44802.56时间0:001:002:003:004:00 C lq0.660.740.790.820.85 qsnᵠC ls232.02260.14277.72288.26298.81 q1CL合计483.12511.24528.82539.36549.91西内墙冷负荷(w)t wp35.4Δt ls2tls35.4+2=37.4t Nx26Δt37.4-26=11.4K0.76F30.4CL263.39时间0:001:002:003:004:00 t wl35.735.034.634.334.1 t dkαkρt′wl34.5233.5633.1732.8932.70 t NxΔt8.527.567.17 6.89 6.70 KFCL87.2777.4573.5270.5768.61时间0:001:002:003:004:00 t wl27.226.126.225.825.5 t dt wl+t d27.526.426.526.125.8 t NxΔt 1.50.40.50.1-0.2 CwKwFwCL19.73 5.26 6.58 1.320.00时间0:001:002:003:004:00C LQ0.080.070.070.060.06D j,maxC csFwCL12.6311.0511.059.479.47时间0:001:002:003:004:00 C lq0.370.670.710.740.76 n1n2NCL79.92144.72153.36159.84164.16时间0:001:002:003:004:00 C lq0.660.740.790.820.85 q snᵠC ls74.2783.2788.9092.2795.65 q1CL合计210.61219.61225.24228.61231.99时间0:001:002:003:004:00 t wl45.645.745.645.344.9 t dkαkρt′wl43.4343.5343.4343.1542.76 t NxΔt17.4317.5317.4317.1516.76 KFCL184.52185.53184.52181.47177.41时间0:001:002:003:004:00 t wl35.735.034.634.334.1t dkαkρt′wl34.5233.5633.1732.8932.70 t NxΔt8.527.567.17 6.89 6.70 KFCL87.2777.4573.5270.5768.61时间0:001:002:003:004:00 t wl27.226.126.225.825.5 t dt wl+t d27.526.426.526.125.8 t NxΔt 1.50.40.50.1-0.2 CwKwFwCL19.73 5.26 6.58 1.32-2.63时间0:001:002:003:004:00C LQ0.080.070.070.060.06D j,maxC csFwCL12.6311.0511.059.479.47时间0:001:002:003:004:00 C lq0.370.670.710.740.76 n1n2NCL79.92144.72153.36159.84164.16时间0:001:002:003:004:00C lq0.660.740.790.820.85 q snᵠC ls74.2783.2788.9092.2795.65 q1CL合计210.61219.61225.24228.61231.99时间0:001:002:003:004:00 t wl45.645.745.645.344.9 t dkαkρt′wl43.4343.5343.4343.1542.76 t NxΔt17.4317.5317.4317.1516.76 KFCL184.52185.53184.52181.47177.41备注东内墙冷负荷(w)t wp35.4Δt ls2tls35.4+2=37.4t Nx26Δt37.4-26=11.4K0.76F30.4CL263.39时间0:001:002:003:004:00 t wl35.735.034.634.334.1 t dkαkρt′wl34.5233.5633.1732.8932.70 t NxΔt8.527.567.17 6.89 6.70 KFCL104.2492.5087.8184.2981.94时间0:001:002:003:004:00 t wl27.226.126.225.825.5 t dt wl+t d27.526.426.526.125.8 t NxΔt 1.50.40.50.1-0.2 CwKwFwCL19.73 5.26 6.58 1.32-2.63时间0:001:002:003:004:00C LQ0.080.070.070.060.06D j,maxC csFwCL12.6311.0511.059.479.47时间0:001:002:003:004:00 C lq0.370.670.710.740.76 n1n2NCL79.92144.72153.36159.84164.16时间0:001:002:003:004:00 C lq0.660.740.790.820.85 q snᵠC ls74.2783.2788.9092.2795.65 q1CL合计210.61219.61225.24228.61231.99时间0:001:002:003:004:00 t wl45.645.745.645.344.9 t dkαkρt′wl43.4343.5343.4343.1542.76 t NxΔt17.4317.5317.4317.1516.76 KFCL202.97204.09202.97199.62195.16时间0:001:002:003:004:00 t wl37.435.435.034.734.5 t dkαkρt′wl36.1533.9433.5633.2733.08 t NxΔt10.157.947.567.277.08 KFCL103.9881.3877.4574.5072.54时间0:001:002:003:004:00 t wl36.439.038.638.237.8 t dkαkρt′wl35.1937.3937.0136.6336.24 t NxΔt9.1911.3911.0110.6310.24 KFCL234.84291.21281.41271.60261.80时间0:001:002:003:004:00 t wl27.226.126.225.825.5 t dt wl+t d27.526.426.526.125.8 t NxΔt 1.50.40.50.1-0.2 CwKwFwCL19.73 5.26 6.58 1.32-2.63时间0:001:002:003:004:00C LQ0.080.070.070.060.06D j,maxC csFwCL13.7612.0412.0410.3210.32时间0:001:002:003:004:00 C lq0.370.670.710.740.76n1n2NCL79.92144.72153.36159.84164.16时间0:001:002:003:004:00 C lq0.660.740.790.820.85 q snᵠC ls111.40124.91133.35138.41143.48 q1CL合计315.91329.42337.86342.92347.99时间0:001:002:003:004:00 t wl45.645.745.645.344.9 t dkαkρt′wl43.4343.5343.4343.1542.76 t NxΔt17.4317.5317.4317.1516.76 KFCL184.52185.53184.52181.47177.41时间0:001:002:003:004:00 t wl37.435.435.034.734.5 t dkαkρt′wl36.1533.9433.5633.2733.08 t NxΔt10.157.947.567.277.08 KFCL103.9881.3877.4574.5072.54时间0:001:002:003:004:00 t wl27.226.126.225.825.5 t dt wl+t d27.526.426.526.125.8 t NxΔt 1.50.40.50.1-0.2 CwKwFwCL19.73 5.26 6.58 1.32-2.63时间0:001:002:003:004:00C LQ0.080.070.070.060.06D j,maxC csFwCL13.7612.0412.0410.3210.32时间0:001:002:003:004:00 C lq0.370.670.710.740.76 n1n2NCL79.92144.72153.36159.84164.16时间0:001:002:003:004:00 C lq0.660.740.790.820.85 q snᵠC ls74.2783.2788.9092.2795.65 q1CL合计210.61219.61225.24228.61231.99时间0:001:002:003:004:00 t wl45.645.745.645.344.9 t dkαkρt′wl43.4343.5343.4343.1542.76 t NxΔt17.4317.5317.4317.1516.76 KFCL184.52185.53184.52181.47177.41时间0:001:002:003:004:00 t wl37.435.435.034.734.5t dkαkρt′wl36.1533.9433.5633.2733.08 t NxΔt10.157.947.567.277.08 KFCL124.3197.2992.5989.0786.72时间0:001:002:003:004:00 t wl38.337.837.437.036.6 t dkαkρt′wl37.0136.2435.8635.4835.09 t NxΔt11.0110.249.869.489.09 KFCL281.41261.80252.00242.20232.39时间0:001:002:003:004:00 t wl27.226.126.225.825.5 t dt wl+t d27.526.426.526.125.8 t NxΔt 1.50.40.50.1-0.2 CwKwFwCL19.73 5.26 6.58 1.32-2.63时间0:001:002:003:004:00C LQ0.080.070.070.060.06D j,maxC csFwCL13.7612.0412.0410.3210.32时间0:001:002:003:004:00 C lq0.370.670.710.740.76 n1n2NCL79.92144.72153.36159.84164.16时间0:001:002:003:004:00 C lq0.660.740.790.820.85 q snᵠC ls74.2783.2788.9092.2795.65 q1CL合计210.61219.61225.24228.61231.99时间0:001:002:003:004:00 t wl45.645.745.645.344.9 t dkαkρt′wl43.4343.5343.4343.1542.76 t NxΔt17.4317.5317.4317.1516.76 KFCL202.97204.09202.97199.62195.16西内墙冷负荷(w)t wp35.4Δt ls2tls35.4+2=37.4t Nx26Δt37.4-26=11.4K0.76F27.36CL237.05时间0:001:002:003:004:00 t wl35.735.034.634.334.1 t dkαkρt′wl34.5233.5633.1732.8932.70 t NxΔt8.527.567.17 6.89 6.70 KFCL75.9667.4163.9961.4259.71时间0:001:002:003:004:00 t wl27.226.126.225.825.5 t dt wl+t d27.526.426.526.125.8 t NxΔt 1.50.40.50.1-0.2 CwKwFwCL19.73 5.26 6.58 1.32-2.63时间0:001:002:003:004:00C LQ0.080.070.070.060.06D j,maxC csFwCL12.6311.0511.059.479.47时间0:001:002:003:004:00C lq0.370.670.710.740.76 n1n2NCL79.92144.72153.36159.84164.16时间0:001:002:003:004:00 C lq0.660.740.790.820.85 q snᵠC ls74.2783.2788.9092.2795.65 q1CL合计210.61219.61225.24228.61231.99时间0:001:002:003:004:00 t wl45.645.745.645.344.9 t dkαkρt′wl43.4343.5343.4343.1542.76 t NxΔt17.4317.5317.4317.1516.76 KFCL184.52185.53184.52181.47177.41时间0:001:002:003:004:00 t wl35.735.034.634.334.1 t dkαkρt′wl34.5233.5633.1732.8932.70 t NxΔt8.527.567.17 6.89 6.70 KFCL75.9667.4163.9961.4259.71时间0:001:002:003:004:00 t wl27.226.126.225.825.5 t dt wl+t d27.526.426.526.125.8 t NxΔt 1.50.40.50.1-0.2 CwKwFwCL19.73 5.26 6.58 1.32-2.63时间0:001:002:003:004:00C LQ0.080.070.070.060.06D j,maxC csFwCL12.6311.0511.059.479.47时间0:001:002:003:004:00 C lq0.370.670.710.740.76 n1n2NCL79.92144.72153.36159.84164.16时间0:001:002:003:004:00 C lq0.660.740.790.820.85 q snᵠC ls74.2783.2788.9092.2795.65 q1CL合计210.61219.61225.24228.61231.99时间0:001:002:003:004:00 t wl45.645.745.645.344.9 t dkαkρt′wl43.4343.5343.4343.1542.76 t NxΔt17.4317.5317.4317.1516.76 KFCL184.52185.53184.52181.47177.41东内墙冷负荷(w)t wp35.4Δt ls2tls35.4+2=37.4t Nx26Δt37.4-26=11.4K0.76F27.36CL237.05时间0:001:002:003:004:00 t wl35.735.034.634.334.1 t dkαkρt′wl34.5233.5633.1732.8932.70 t NxΔt8.527.567.17 6.89 6.70 KFCL86.1476.4472.5769.6667.72时间0:001:002:003:004:00 t wl27.226.126.225.825.5 t dt wl+t d27.526.426.526.125.8 t NxΔt 1.50.40.50.1-0.2 CwKwFwCL19.73 5.26 6.58 1.32-2.63时间0:001:002:003:004:00C LQ0.080.070.070.060.06D j,maxC csFwCL12.6311.0511.059.479.47时间0:001:002:003:004:00 C lq0.370.670.710.740.76 n1n2NCL79.92144.72153.36159.84164.16时间0:001:002:003:004:00 C lq0.660.740.790.820.85 q snᵠC ls74.2783.2788.9092.2795.65 q1CL合计210.61219.61225.24228.61231.99时间0:001:002:003:004:00 t wl45.645.745.645.344.9 t dkαkρt′wl43.4343.5343.4343.1542.76 t NxΔt17.4317.5317.4317.1516.76 KFCL202.97204.09202.97199.62195.16时间0:001:002:003:004:00 t wl37.435.435.034.734.5t dkαkρt′wl36.1533.9433.5633.2733.08 t NxΔt10.157.947.567.277.08 KFCL90.5070.8367.4164.8563.14时间0:001:002:003:004:00 t wl36.439.038.638.237.8 t dkαkρt′wl35.1937.3937.0136.6336.24 t NxΔt9.1911.3911.0110.6310.24 KFCL219.63272.34263.18254.01244.84时间0:001:002:003:004:00 t wl27.226.126.225.825.5 t dt wl+t d27.526.426.526.125.8 t NxΔt 1.50.40.50.1-0.2 CwKwFwCL19.73 5.26 6.58 1.32-2.63时间0:001:002:003:004:00C LQ0.080.070.070.060.06D j,maxC csFwCL13.7612.0412.0410.3210.32时间0:001:002:003:004:00 C lq0.370.670.710.740.76 n1n2NCL79.92144.72153.36159.84164.16时间0:001:002:003:004:00 C lq0.660.740.790.820.85 q snᵠC ls111.40124.91133.35138.41143.48 q1CL合计315.91329.42337.86342.92347.99时间0:001:002:003:004:00 t wl45.645.745.645.344.9 t dkαkρt′wl43.4343.5343.4343.1542.76 t NxΔt17.4317.5317.4317.1516.76 KFCL184.52185.53184.52181.47177.41时间0:001:002:003:004:00 t wl37.435.435.034.734.5 t dkαkρt′wl36.1533.9433.5633.2733.08 t NxΔt10.157.947.567.277.08 KFCL103.9881.3877.4574.5072.54时间0:001:002:003:004:00 t wl27.226.126.225.825.5 t dt wl+t d27.526.426.526.125.8 t NxΔt 1.50.40.50.1-0.2 CwKwFwCL19.73 5.26 6.58 1.32-2.63时间0:001:002:003:004:00C LQ0.080.070.070.060.06D j,maxC csFwCL13.7612.0412.0410.3210.32时间0:001:002:003:004:00C lq0.370.670.710.740.76 n1n2NCL79.92144.72153.36159.84164.16时间0:001:002:003:004:00 C lq0.660.740.790.820.85 q snᵠC ls74.2783.2788.9092.2795.65 q1CL合计210.61219.61225.24228.61231.99时间0:001:002:003:004:00 t wl45.645.745.645.344.9 t dkαkρt′wl43.4343.5343.4343.1542.76 t NxΔt17.4317.5317.4317.1516.76 KFCL184.52185.53184.52181.47177.41时间0:001:002:003:004:00 t wl37.435.435.034.734.5 t dkαkρt′wl36.1533.9433.5633.2733.08 t NxΔt10.157.947.567.277.08 KFCL124.3197.2992.5989.0786.72时间0:001:002:003:004:00 t wl38.337.837.437.036.6 t dkαkρt′wl37.0136.2435.8635.4835.09 t NxΔt11.0110.249.869.489.09 KFCL263.18244.84235.67226.50217.34时间0:001:002:003:004:00 t wl27.226.126.225.825.5 t dt wl+t d27.526.426.526.125.8 t NxΔt 1.50.40.50.1-0.2 CwKwFwCL19.73 5.26 6.58 1.32-2.63时间0:001:002:003:004:00 C LQ0.080.070.070.060.06D j,maxC csFwCL13.7612.0412.0410.3210.32时间0:001:002:003:004:00 C lq0.370.670.710.740.76 n1n2NCL79.92144.72153.36159.84164.16时间0:001:002:003:004:00 C lq0.660.740.790.820.85 q snᵠC ls74.2783.2788.9092.2795.65 q1CL合计210.61219.61225.24228.61231.99时间0:001:002:003:004:00 t wl45.645.745.645.344.9 t dkαkρt′wl43.4343.5343.4343.1542.76 t NxΔt17.4317.5317.4317.1516.76 KFCL202.97204.09202.97199.62195.16时间0:001:002:003:004:00外墙负荷243.42301.85291.69281.53271.36内墙负荷窗传热负27.097.229.03 1.810.00荷窗日射负145.84129.61129.61113.38113.38荷人员负荷1053.041098.051126.181143.061159.94设备负荷灯光负荷390.72707.52749.76781.44802.56屋顶负荷2405.562418.792405.562365.872312.95总计5390.345787.715836.505811.765784.87时间0:001:002:003:004:00外墙负荷368.15326.71310.13297.69289.40内墙负荷窗传热负0.000.000.000.000.00荷窗日射负223.41201.07201.07178.73178.73荷人员负荷6441.556816.537050.897191.507332.12设备负荷灯光负荷1332.002412.002556.002664.002736.00屋顶负荷总计8365.119756.3010118.0810331.9210536.25时间0:001:002:003:004:00外墙负荷268.66249.94240.58231.22221.86内墙负荷窗传热负27.097.229.03 1.810.00荷窗日射负68.9762.0762.0755.1755.17荷人员负荷483.12511.24528.82539.36549.91设备负荷灯光负荷390.72707.52749.76781.44802.56总计1923.661538.001590.261609.011629.51时间0:001:002:003:004:00外墙负荷87.2777.4573.5270.5768.61内墙负荷窗传热负19.73 5.26 6.58 1.320.00荷窗日射负12.6311.0511.059.479.47荷人员负荷210.61219.61225.24228.61231.99设备负荷屋顶负荷184.52185.53184.52181.47177.41灯光负荷79.92144.72153.36159.84164.16总计1150.80643.63654.27651.29651.64时间0:001:002:003:004:00外墙负荷87.2777.4573.5270.5768.61内墙负荷窗传热负19.73 5.26 6.58 1.32-2.63荷窗日射负12.6311.0511.059.479.47荷人员负荷210.61219.61225.24228.61231.99设备负荷屋顶负荷184.52185.53184.52181.47177.41灯光负荷79.92144.72153.36159.84164.16总计887.41643.63654.27651.29649.01时间0:001:002:003:004:00外墙负荷0.000.000.000.000.00内墙负荷窗传热负0.370.670.710.740.76荷窗日射负0.000.040.080.130.17荷人员负荷210.61185.53184.52181.47177.41设备负荷屋顶负荷184.52185.53184.52181.47177.41灯光负荷79.92144.72153.36159.84164.16总计768.15516.50523.19523.65519.91时间0:001:002:003:004:00外墙负荷104.2492.5087.8184.2981.94内墙负荷窗传热负荷19.73 5.26 6.58 1.32-2.63窗日射负荷12.6311.0511.059.479.47人员负荷210.61219.61225.24228.61231.99设备负荷屋顶负荷202.97204.09202.97199.62195.16灯光负荷79.92144.72153.36159.84164.16总计1186.22677.24687.01683.15680.09时间0:001:002:003:004:00外墙负荷0.000.000.000.000.00内墙负荷窗传热负荷0.370.670.710.740.76窗日射负荷0.000.040.080.130.17人员负荷4.4*5.4=23.760.000.000.000.00设备负荷屋顶负荷0.000.000.000.000.00灯光负荷0.000.000.000.000.00总计556.490.710.790.870.93某地区某宾西外5:006:007:008:009:0010:0037.437.036.736.436.435.935.8635.4835.1934.9034.9034.429.869.489.198.908.908.42261.20251.04243.42235.80235.80223.10西外窗瞬5:006:007:008:009:0010:0025.325.426.026.927.929.025.625.726.327.228.229.3-0.4-0.30.3 1.2 2.2 3.30.000.00 5.4221.6739.7359.59西外窗日5:006:007:008:009:0010:000.060.070.120.160.190.2149.4057.6498.81131.74156.44172.91南外玻璃幕5:006:007:008:009:0010:0025.325.426.026.927.929.023.623.724.325.226.227.3-2.4-2.3-1.7-0.80.2 1.3 000010.8970.765:006:007:008:009:0010:00 0.070.140.310.470.60.6955.98111.96247.91375.86479.82551.795:006:007:008:009:0010:00 25.325.426.026.927.929.024.2624.3524.9325.7926.7527.8100000.75 1.81 000030.8074.095:006:007:008:009:0010:00 0.790.810.830.840.860.87照明南外玻璃幕南外门瞬834.24855.36876.48887.04908.16918.72人体5:006:007:008:009:0010:000.870.890.90.920.930.94489.51500.76506.39517.64523.26528.89 1171.201182.451188.081199.331204.951210.58屋5:006:007:008:009:0010:0044.443.943.342.64241.342.2841.8041.2340.5639.9839.3116.2815.8015.2314.5613.9813.31 1097.871065.551026.76981.51942.72897.47南外玻璃幕5:006:007:008:009:0010:0025.325.426.026.927.929.023.623.724.325.226.227.3-2.4-2.3-1.7-0.80.2 1.3000030.41197.68南外玻璃幕5:006:007:008:009:0010:000.070.140.310.470.60.69156.39312.77692.561050.011340.441541.51北外5:006:007:008:009:0010:0033.833.633.433.233.233.232.4132.2232.0231.8331.8331.836.41 6.22 6.02 5.83 5.83 5.83276.97268.68260.39252.10252.10252.10北外门瞬5:006:007:008:009:0010:0025.325.426.026.927.929.024.2624.3524.9325.7926.7527.8100000.75 1.81000019.4546.79照明5:006:007:008:009:0010:000.790.810.830.840.860.87 284429162988302430963132人体5:006:007:008:009:0010:000.870.890.90.920.930.94 4077.864171.614218.484312.224359.104405.97 7425.867519.617566.487660.227707.107753.97食物散热冷负荷(w)9*80=720屋5:006:007:008:009:0010:0044.443.943.342.64241.342.2841.8041.2340.5639.9839.3116.2815.8015.2314.5613.9813.312246.802180.652101.282008.671929.291836.685:006:007:008:009:0010:0036.235.935.635.635.636.034.7134.4234.1334.1334.1334.528.718.428.138.138.138.52212.51205.49198.47198.47198.47207.83东外窗瞬5:006:007:008:009:0010:0025.325.426.026.927.929.025.625.726.327.228.229.3-0.4-0.30.3 1.2 2.2 3.30.000.00 5.4221.6739.7359.59东外窗日5:006:007:008:009:0010:000.060.070.120.160.190.2149.4057.6498.81131.74156.44172.915:006:007:008:009:0010:00 25.325.426.026.927.929.023.623.724.325.226.227.3 -2.4-2.3-1.7-0.80.2 1.3 00009.3961.035:006:007:008:009:0010:00 0.070.140.310.470.60.6948.2896.56213.80324.15413.81475.885:006:007:008:009:0010:00 25.325.426.026.927.929.024.2624.3524.9325.7926.7527.8100000.75 1.81 000011.3527.29 t wp35.4qtΔt ls2F tls35.4+2=37.4qs t Nx26Δt37.4-26=11.4K0.76F18.4821.6 108北内墙冷负荷(w)办公设备散热冷负荷(w)5南外门瞬南外玻璃幕南外玻璃幕CL160.11照明5:006:007:008:009:0010:000.790.810.830.840.860.87834.24855.36876.48887.04908.16918.72人体5:006:007:008:009:0010:000.870.890.90.920.930.94305.84312.87316.39323.42326.93330.45556.94563.97567.49574.52578.03581.55南内门冷负荷(w)南内墙冷负荷(w)t wp35.4t wp35.4Δt ls2Δt ls2tls35.4+2=37.4tls35.4+2=37.4t Nx26t Nx26Δt37.4-26=11.4Δt37.4-26=11.4K 2.9K0.76F 1.89F14.11CL62.48CL122.255:006:007:008:009:0010:0033.833.633.433.233.233.232.4132.2232.0231.8331.8331.836.416.226.025.835.835.8365.6663.6961.7359.7659.7659.765:006:007:008:009:0010:0025.325.426.026.927.929.025.625.726.327.228.229.3-0.4-0.30.31.22.23.30.000.00 3.9515.7928.9443.415:006:007:008:009:0010:000.060.070.120.160.190.219.4711.0518.9525.2730.0033.165:006:007:008:009:0010:000.790.810.830.840.860.87170.64174.96179.28181.44185.76187.92照明北外窗日北外窗瞬北外5:006:007:008:009:0010:00 0.870.890.90.920.930.9497.90100.15101.28103.53104.65105.78 234.24236.49237.62239.87240.99242.125:006:007:008:009:0010:00 44.443.943.342.64241.342.2841.8041.2340.5639.9839.31 16.2815.8015.2314.5613.9813.31 172.34167.27161.18154.07147.99140.88t wp35.4t wp35.4Δt ls2Δt ls2tls35.4+2=37.4tls35.4+2=37.4t Nx26t Nx26Δt37.4-26=11.4Δt37.4-26=11.4K 2.9K0.76F 1.89F14.11CL62.48CL122.255:006:007:008:009:0010:00 33.833.633.433.233.233.2北外南内门冷负荷(w)南内墙冷负荷(w)屋人体32.4132.2232.0231.8331.8331.83 6.41 6.22 6.02 5.83 5.83 5.83 65.6663.6961.7359.7659.7659.765:006:007:008:009:0010:00 25.325.426.026.927.929.025.625.726.327.228.229.3 -0.4-0.30.3 1.2 2.2 3.3 -5.26-3.95 3.9515.7928.9443.415:006:007:008:009:0010:00 0.060.070.120.160.190.219.4711.0518.9525.2730.0033.165:006:007:008:009:0010:00 0.790.810.830.840.860.87170.64174.96179.28181.44185.76187.92 5:006:007:008:009:0010:00照明人体北外窗日北外窗瞬0.870.890.90.920.930.94 97.90100.15101.28103.53104.65105.78 234.24236.49237.62239.87240.99242.125:006:007:008:009:0010:00 44.443.943.342.64241.342.2841.8041.2340.5639.9839.31 16.2815.8015.2314.5613.9813.31 172.34167.27161.18154.07147.99140.88t wp35.4t wp35.4Δt ls2Δt ls2tls35.4+2=37.4tls35.4+2=37.4t Nx26t Nx26Δt37.4-26=11.4Δt37.4-26=11.4K 2.9K0.76F 1.89F14.11CL62.48CL122.255:006:007:008:009:0010:00 33.833.633.433.233.233.2北外南内门冷负荷(w)南内墙冷负荷(w)屋32.4132.2232.0231.8331.8331.83 6.41 6.22 6.02 5.83 5.83 5.83 78.4276.0773.7371.3871.3871.385:006:007:008:009:0010:00 25.325.426.026.927.929.025.625.726.327.228.229.3 -0.4-0.30.3 1.2 2.2 3.3 -5.26-3.95 3.9515.7928.9443.415:006:007:008:009:0010:00 0.060.070.120.160.190.219.4711.0518.9525.2730.0033.165:006:007:008:009:0010:00 0.790.810.830.840.860.87170.64174.96179.28181.44185.76187.925:006:007:008:009:0010:00 0.870.890.90.920.930.94人体北外窗日照明北外窗瞬97.90100.15101.28103.53104.65105.78 234.24236.49237.62239.87240.99242.125:006:007:008:009:0010:00 44.443.943.342.64241.342.2841.8041.2340.5639.9839.31 16.2815.8015.2314.5613.9813.31 189.57183.99177.30169.48162.78154.97t wp35.4t wp35.4Δt ls2Δt ls2tls35.4+2=37.4tls35.4+2=37.4t Nx26t Nx26Δt37.4-26=11.4Δt37.4-26=11.4K 2.9K0.76F 1.89F14.11CL62.48CL122.255:006:007:008:009:0010:00 34.233.933.733.533.433.332.7932.5032.3132.1232.0231.93南外北内门冷负荷(w)北内墙冷负荷(w)屋6.79 6.50 6.31 6.12 6.02 5.9369.5966.6464.6862.7161.7360.755:006:007:008:009:0010:0037.437.036.736.436.435.935.8635.4835.1934.9034.9034.429.869.489.198.908.908.42252.00242.20234.84227.49227.49215.245:006:007:008:009:0010:0025.325.426.026.927.929.025.625.726.327.228.229.3-0.4-0.30.31.22.23.3-5.26-3.95 3.9515.7928.9443.415:006:007:008:009:0010:000.060.070.120.160.190.2110.3212.0420.6527.5332.6936.135:006:007:008:009:0010:000.790.810.830.840.860.87照明南外窗日南外窗瞬西外。
冷负荷计算表3 负荷计算3.1 室外设计参数上海地区室外⽓候条件:室内参数3.2 室内冷负荷3.2.1主要计算公式: 内维护传热引起的冷负荷计算由于该⼚房的屋顶结构和内维护的结构组成,通过内维护结构的冷负荷可由下公式计算:)(,)(.R a m o i i c t t t K A Q -?+=τ式中 A ——内围护结构的⾯积,2m ;i K ——内围护结构的传热系数,C m W ??2; m o t ,——夏季空调室外计算⽇平均温度,C ?; a t ?——附加温升,C ?。
查<<暖通空调>>,a t ?=3C ?。
设备散热形成的冷负荷计算ηN n n n Q s 321.1000=式中 N ——电动设备的安装功率,kW ;i K ——内围护结构的传热系数,C m W ??2;η——电动机效率;1n ——利⽤系数,是电动机最⼤实效功率与安装功率之⽐,⼀般可取0.7~0.9,可⽤于反映安装功率的利⽤程度;2n ——电动机负荷系数,定义为电动机每⼩时平均实耗功率与机器设计最⼤实耗功率之⽐,对精密机床可取0.15~0.40,对普通机床可取0.5左右;3n ——同时使⽤系数,定义为室内电动机同时使⽤的安装功率与总安装功率之⽐,⼀般取0.5~0.8。
1n 取0.9,2n 取0.4,3n 取0.8,η查<<暖通空调>>表2-11取值。
照明散热形成的冷负荷计算根据设计要求⼚房内各房间的照度为:加⼯车间 402m W ;其余房间为302m W 。
根据<<暖通空调>>灯具之获得热公式: LQ c NC n n Q 21)(.1000=τ式中 )(.τc Q ——灯具散热形成的冷负荷,W ;N ——照明灯具所需功率,kW ;1n ——镇流器消耗功率系数,当明装荧光灯的镇流器装在空调房间内时,取 1n =1.2;当暗装荧光灯镇流器装⾼在顶棚时,可取1n =1.0;2n ——灯罩隔热系数,当荧光灯罩上部穿有⼩孔(下部为玻璃板),可利⽤⾃然通风散热于顶棚内时,取2n =0.5~0.6;⽽荧光灯罩⽆通风孔者2n =0.6~0.8;LQ Q ——照明散热冷负荷系数。
冷、暖负荷计算编辑:地暖浏览:361 添加时间:2011-10-26 09:26冷、暖负荷计算:5.2.1 空调负荷计算方法:(1) 空调房间或区域的夏季设计冷负荷计算,宜按不稳定传热分别计算各种热源引起的负荷。
(2) 设计热负荷计算,按稳定传热计算法计算,计算方法采用采暖负荷计算方法,将传热量作为空调房间的热负荷,室外设计温度按冬季空气调节计算温度采用。
5.2.2 空调房间或区域的得热量和冷负荷(以下简称房间得热量和房间冷负荷):(1) 房间得热量是指在某一时刻由室外和室内热源散人房间的热量之和,它分为显热得热和潜热得热,显热得热指由于传导、对流和辐射进入室内的得热量,潜热得热指由于进入室内的的湿量引起的得热量。
(2) 冷负荷是指为维持室内设定的温度,在某一时刻必须由空气调节系统从房间带走的热量。
(3) 当得热量中含有辐射成分时,由于房间围护结构和室内家具等物体对于辐射热的吸收蓄热和放热效应,这部分辐射得热量在转换成冷负荷的过程中,会随房间热工性能和房间几何形状等条件的不同而发生不同的衰减和延迟。
所以在某一时间的房间得热量不一定等于房间冷负荷。
只有在得热量中不包括辐射或围护结构与家具等室内物体没有蓄热能力的情况下,得热量与冷负荷相等。
5.2.3 空调房间或区域的夏季计算得热量,应根据下列各项确定:(1) 通过围护结构传人的热量;(2) 透过外窗进入的太阳辐射热量;(3) 人体散热量;(4) 照明散热量;(5) 设备、器具、管道及其他内部热源的散热量;(6) 食品或物料的散热量;(7) 渗透空气带人的热量;(8) 伴随各种散湿过程产生的潜热量。
(9)5.2.4 空调房间或区域的夏季冷负荷,应根据各项得热量的种类和性质以及空调房间或区域的蓄热特性分别进行计算。
5.2.5 通过围护结构进入的不稳定传热量、透过外窗进入的太阳辐射热量、人体散热量以及非全天使用的设备、照明灯具的散热量等形成的冷负荷,宜按不稳定传热方法计算确定;不应把上述得热量的逐时值直接作为各相应时刻冷负荷的即时值。
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空调冷负荷计算表格
篇一:暖通空调负荷计算估算表
空调负荷计算
一、不同窗面积下,冷负荷之分布%
二、负荷指标(估算)(仅供参考)
三、空调冷负荷法估算冷指标。
空调冷负荷法估算冷指标(w/m2空调面积)见下表
注:本表为最大负荷,在求建筑总冷负荷时,应考虑空调房间同时使用系数0.7-0.9
四、按建筑面积冷指标进行估算建筑面积冷指标
注:l、上述指标为总建筑面积的冷负荷指标:建筑面积的总建筑面积小于5000平米时,取上限;大
于l0000平米,取下限值。
2、按上述指标确定的冷负荷,即是制冷机的容量,不必再加系数。
3、由于地区差异较大,上述指标以北京地区为准。
南方地区可按上限采取。
热负荷估算
(l)按建筑面积热(空调冷负荷计算表格)指标进行估算
注:总建筑面积、大外围结构热工性能好、窗户面积小,采用较小的指标;反之采用较大的指标。
(2)窗墙比公式法:q=(7a+1.7)w/F(tn-tw)w/m2;说明:q—建筑物的供热指标,w/m22。
a—外窗面积与外墙面积(包括窗之比);w一外墙总面积(包括窗),m22F一总建筑面积,m2tn一室内供暖设计温度,℃tw一室外供暖设计温度,℃
五、建筑物冷负荷概算指标香港
六、各类建筑物锅炉负荷估算w/m3℃
篇二:空调冷负荷估算表
表1空调冷负荷估算表
空调冷负荷估算表
篇三:空调冷负荷计算表
一:屋面冷负荷
二:北外墙冷负荷
三:北外窗瞬时传热冷负荷
四:北外日照的热引起的冷负荷
五:北外墙冷负荷
六:南外窗瞬时传热冷负荷
七:南外日照的热引起的冷负荷。
1 负荷计算夏季冷负荷计算详细计算方法、过程及计算依据如下:根据《暖通空调》,对下列各项得热量进行计算。
外墙和屋面瞬变传热引起的冷负荷外墙或屋面传热形成的计算时刻冷负荷Qc(τ),按下式计算[10]:Qc(τ)=AK[(tc(τ)+td)kαkρ-tR] (3-1)式中:Qc(τ)——外墙和屋面瞬变传热引起的逐时冷负荷,W;A——外墙和屋面的面积,m2;K——外墙和屋面的传热系数,W/(m2·℃),根据外墙和屋面的相应结构,由《暖通空调》附录2-2和附录2-3查取;tR——室内计算温度,℃;tc(τ)——外墙和屋面冷负荷计算温度的逐时值,℃,根据外墙和屋面的不同类型,由《暖通空调》附录2-4和附录2-5查取;td——地点修正值,由《暖通空调》附录2-6查取;k ρ——外表面换热系数修正值,取kρ=;内围护结构冷负荷当邻室有一定的发热量时,通过空调房间隔墙、楼板、内窗、内门等内维护结构的温差传热而产生的冷负荷,可视作稳定传热,不随时间而变化,可按下式计算[10]:Qc(τ)=Ai Ki+Δtα-tR) (3-2)式中:Ki——内围护结构传热系数,W/(m2·℃);Ai——内围护结构的面积,m2;——夏季空调室外计算日平均温度,℃;Δtα——附加温升,可按《暖通空调》表2-10查取。
玻璃窗瞬变传热引起的冷负荷通过外窗温差传热形成的冷负荷Qc(τ)按下式计算[10]:Qc(τ)=CwKwAw(tc(τ)+td-tR) (3-3)式中:Qc(τ)——外玻璃窗瞬变传热引起的冷负荷,W;Kw——外玻璃窗传热系数,W/(m2·℃),由《暖通空调》附录2-7和附录2-8查得;Aw——窗口面积,m2;tc(τ)——外玻璃窗的冷负荷温度的逐时值,℃,由《暖通空调》附录2-10查得;Cw——玻璃窗传热系数的修正值;由《暖通空调》附录2-9查得;td——地点修正值,由《暖通空调》附录2-11查得;透过外玻璃窗日射得热引起的冷负荷透过外玻璃窗日射得热引起的冷负荷,按下式计算:Q(τ)=CαAwCsCiDjmaxCLQ(3-4)式中:Cα——有效面积系数,由《暖通空调》附录2-15查得;Aw——窗口面积,m2;Cs——窗玻璃的遮阳系数,由《暖通空调》附录2-13查得;Ci——窗内遮阳设施的遮阳系数,由《暖通空调》附录2-14查得;Djmax——日射得热因数,由《暖通空调》附录2-12查得;CLQ——窗玻璃冷负荷系数,无因次,由《暖通空调》附录2-16至附录2-19得;注:CLQ值按南北区的划分而不同。
逐时冷负荷系数表预算造价总结二.其它的经验总结(1)水源热泵初投资预算:一般小项目350元/m3,大项目300元/m3左右。
燃气锅炉0.2-0.3元/w。
采用溴化锂机组的总投资按传统空调的概算指标大约在200-250元/㎡(2)办公楼和酒店的空调面积与建筑面积之比分别是70/100,75/100-80/100. (3)苏州地区宾馆冷指标156w,热指标104w。
苏州天然气价格2.2元/ m3,热值是8500-9000kcal/ m3。
苏州的自来水价格民用2.7元/ m3,工业商用3元/ m3。
(4)室外管网40元/㎡,空调一次管网6500元/m,热水一次管网1500元/m,污水供回水管网7000元/m。
室内空调管网90元/m,室内生活热水管网55元/m3。
(5)蓄水池一般3000元/ m3,土建2500元/ m3(6)1P=0.735kj,1kj=0.239kcal(千卡),1kcal=4.19kj;一个美国冷吨=3.517kw,1kw=860kcal/h,如一台40kw的空调,其制冷量为:40X860=3.44万大卡。
(7)定压补水装置8万,软水装置15万。
(8)无缝5000元/吨,焊接4000元/吨,不锈钢40000元/吨。
(十)燃气锅炉0.2 ~0.3元/w燃煤发热效率在60%-65% 发电效率在40%,最高可达45%地源热泵地埋管70元/米,室内空调末端及管网90元/米,生活热水(室内)管网55元/立方米;末端空调管网一般建筑在120元/㎡一般板式换热器最高换热量可达(对于污水系统),可能取到0.4元/w以上天然气锅炉效率0.9,0.24元/w电锅炉效率0.95以上,0.1元/w太阳能制取热水成本控制在3.5元(指初投资平摊)机房部分投资在2.5元/w左右,对于仓库厂房等机房部分包括土建及一些设备等机房配电:南通配电10kv,可以此作为参考采用溴化锂机总投资按传统空调的概算指标大约在200-250元/㎡1P=0.735KW 1KWH=860KCAL 1KCAL=4.19KJ 1KWH=3600KJ1KJ=0.239KCAL 1USTON=3024KCAL/H=3.517KW 水的汽化潜热2260kj/kg,0℃水变成0℃冰放出热量为335kj/kg冷却塔水损失量一般考虑以下几个方面1)蒸发量(WE ) kg/h ,一般空调用的场合,C T T o w w 521=-,WE=0.0083⨯L,也就是说循环水量的0.83%被蒸发。
青岛暖通设计逐时冷负荷计算温度参
数表
青岛暖通设计逐时冷负荷计算温度参数表》
的编制目的是为了进行逐时冷负荷计算,并提供相关的温度参数。
逐时冷负荷计算是为了准确评估建筑物在每个小时内所需的冷负荷量,以便合理安排暖通设备的容量和运行方式。
在建筑设计和能耗管理中,逐时冷负荷计算非常重要。
通过准
确的温度参数,可以评估建筑物在不同季节、不同时间段内的冷负
荷情况。
这有助于选择合适的冷负荷设备、优化能源利用、提高建
筑能效。
青岛地区的气候条件和建筑特点使得逐时冷负荷计算温度参数
表的编制尤为重要。
准确的温度参数可以反映青岛地区不同季节和
不同时间段内的气温变化情况,从而更好地预测建筑物的冷负荷需求。
通过本文档提供的温度参数表,设计师和能耗管理人员可以在
建筑设计和运营管理中更加准确地进行冷负荷计算和能耗评估。
这
对于保证建筑物的舒适性、节约能源、降低运行成本具有重要意义。
《青岛暖通设计逐时冷负荷计算温度参数表》是一个包含一系列温
度参数项的表格,用于进行针对青岛地区的暖通设计中的逐时冷负
荷计算。
通过本文档提供的温度参数表,设计师和能耗管理人员可
以在建筑设计和运营管理中更加准确地进行冷负荷计算和能耗评估。
这对于保证建筑物的舒适性、节约能源、降低运行成本具有重要意义。
《青岛暖通设计逐时冷负荷计算温度参数表》是一个包含一系
列温度参数项的表格,用于进行针对青岛地区的暖通设计中的逐时
冷负荷计算。
该表格包括以下温度参数项:该表格包括以下温度参数项:
室内外温度:记录了不同季节、不同时间段的室内外温度。
这
些温度值对于准确计算冷负荷非常重要,因为室内外温度的变化会
影响到空调系统的负荷需求。
设计温度:指定了在不同季节、不同时间段下的设计室内温度。
这是根据青岛地区的气候特点和使用需求所确定的合适温度,可用
作暖通设计的基准。
其他温度参数:还可以包括其他与冷负荷计算相关的温度参数,如室内设备的工作温度等。
这些参数可以帮助确定空调设备的合适
选择和功能配置。
通过《青岛暖通设计逐时冷负荷计算温度参数表》中的温度参
数项,工程师们可以更准确地计算出针对青岛地区的建筑物的冷负
荷需求,从而进行合理的暖通设计和空调系统配置。
《青岛暖通设
计逐时冷负荷计算温度参数表》使用方法通过《青岛暖通设计逐时
冷负荷计算温度参数表》中的温度参数项,工程师们可以更准确地
计算出针对青岛地区的建筑物的冷负荷需求,从而进行合理的暖通
设计和空调系统配置。
《青岛暖通设计逐时冷负荷计算温度参数表》使用方法
本表是用于青岛地区的暖通设计逐时冷负荷计算的温度参数选
择参考表。
根据实际情况,选择合适的温度参数值进行计算可确保
计算结果的准确性和可靠性。
本表是用于青岛地区的暖通设计逐时
冷负荷计算的温度参数选择参考表。
根据实际情况,选择合适的温
度参数值进行计算可确保计算结果的准确性和可靠性。
使用方法如下:
首先,根据项目所在地区的气候条件和要求,找到对应的表格。
表格中列出了不同月份和不同时间段所对应的温度参数值。
确定需要计算冷负荷的具体时间段,例如一天中的某个小时段
或一周中的某几天。
在对应时间段的行和对应月份的列交叉处,找到相应的温度参
数值。
将获取到的温度参数值应用于冷负荷计算公式,进行计算。
以下是一个简单的示例,以帮助读者更好地理解使用方法:
假设现在需计算某建筑在5月10日的上午9点到下午2点的冷负荷。
根据《青岛暖通设计逐时冷负荷计算温度参数表》中5月份和上午9点到下午2点的时间段所对应的温度参数值,在表中找到相应的交叉处。
假设该交叉处的温度参数值为X°C。
将温度参数值X°C应用于冷负荷计算公式,进行计算。
注意:本表提供的温度参数值仅供参考,实际应用中需考虑各种因素,并结合专业知识进行准确的温度参数选择。
希望以上说明能够帮助您正确使用《青岛暖通设计逐时冷负荷计算温度参数表》。
希望以上说明能够帮助您正确使用《青岛暖通设计逐时冷负荷计算温度参数表》。