纯电动车冷却性能计算(按流量)VIP免费

计算要求提供的参数由计算结果选取的参数无色为自动计算结果水管内径流量（l/min) m³/s流速vm/s压力差（MPa）20250.0004166671.3269639070.02电机局部阻力系数ξ（P=ξ * ρ v²/2）电机控制器局部阻力系数ξ（P=ξ * ρ v²/2）水箱局部阻力系数ξ（P=ξ * ρ v²/2）三合一局部阻力系数ξ（P=ξ * ρ v²/2）21.290082852.98061159916.3943857234.06413256部件压力差（MPa）流量（l/min) 管内径 mm流速m/s局部阻力系数ξ电机0.0225201.32696390721.29008285电机控制器0.002820201.0615711254.657205623三合一0.03225201.32696390734.06413256水箱0.009450322.6539278132.501584735部件局部阻力系数ξ流量（l/min) 管内径 mm流速m/s局部阻力电机21.2900828523.6201.25265392817.82272电机控制器4.65720562323.6201.2526539283.89872三合一34.0641325623.6201.25265392828.516352水箱2.50158473523.6321.2526539282.0941696总局部阻力52.3319616科力水泵扬程曲线扬程/m流量L/min1113.42100.6385.6说明计算输入计算参数阻力系数电机参数468547.2615.76.3200123456789100 1 2 3 4 5 6 7 8 9 10111213141516171819扬程、水阻平衡曲线电机控制器流量（l/min) 流速vm/s水管内径压力差（MPa）水管内径流量（l/min) m³/s201.061571200.002820250.000416667L/minm³/sQ水=Q/（C*ρ *△t）m/s雷诺数re=vd/ν沿程阻力系数λ ,经验公式:λ=64/re(re<2320)λ沿程阻力kpaP=λ(L/d)(ρv²/2)电机阻力kpa23.60.0003930.801699333.041920.0740650.0109430.032666.083840.0622810.0368090.128999.125760.0562770.0748370.2881332.16770.0523720.1238110.5121665.20960.049530.1829590.81998.25150.0473230.2517211.1522331.29350.0455340.3296681.5682664.33540.0440390.416452.0482997.37730.0427610.5117762.5923330.41920.041650.6153973.23663.46110.0406690.7270983.8723996.50310.0397940.8466874.6084329.5450.0390060.9739945.4084662.58690.038291.1088676.2724995.62880.0376351.2511677.25328.67070.0370321.4007668.1925661.71270.0364751.5575479.2485994.75460.0359581.72140310.3686327.79650.0354751.89223211.5526660.83840.0350232.06994112.86993.88040.0345982.25444314.1127326.92230.0341982.44565515.4887659.96420.033822.643516.9287993.00610.0334632.84790318.4328326.0480.0331233.05879620三 合...