实验温度T=24.8℃，水的黏度：0.897×10-3p.s
1.光滑管
u=4Vs/πd2
λ=2dΔP/ρlu2
Re=duρ/μ
P左P右流量ΔPΔP/ρu
71056217601451.88 1.4544980970.608191791
69558616001069.29 1.0712181930.552901628
6886001380863.280.8648367060.476877654
6766131150618.030.619144460.397398045
6746221050510.120.5110398720.362841693
668631890362.970.3636245240.30755153
2.粗糙管
u=4Vs/πd2
λ=2dΔP/ρlu2
Re=duρ/μ
P左P右流量ΔPΔP/ρu
3079017607455.67.469044280.608191791
15570016005346.45 5.3560909640.552901628
22564513804120.2 4.1276297340.476877654
29560511503041.1 3.0465838510.397398045
33057510502403.45 2.4077840110.362841693
3645468901785.42 1.7886395510.30755153
3.局部阻力
ζ=2Δp/ρu2
Re=duρ/μ
P左P右流量ΔPΔP/ρu
62066317600.421830.0004225910.608191791
62966116000.313920.0003144860.552901628
63565913800.235440.0002358650.476877654
64065811500.176580.0001768980.397398045
64365810500.147150.0001474150.362841693
6466578900.107910.0001081050.30755153
Reλ
216578.65610.002097156 196889.68730.001868878 169817.35530.002028238 141514.46280.002090929 129208.85730.002070233 109519.88860.002050294
Reλ
216578.65610.01076918 196889.68730.00934439 169817.35530.009680226 141514.46280.010288698 129208.85730.009753981 109519.88860.010085229
Reζ
216578.65610.002284908 196889.68730.00205748 169817.35530.002074334 141514.46280.002240281 129208.85730.002239434 109519.88860.002285801