纯电动车冷却性能计算按流量[共2页].xls

说明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计算输入电机参数水管内径流量（l/min)m/s流速vm/s压力差（MPa）20250.000416667 1.326963907 0.02阻力系数计算参数电机局部阻力系数（P=*v/2）电机控制器局部阻力系数（P=*v/2）水箱局部阻力系数（P=*v/2）三合一局部阻力系数（P=*v/2）21.29008285 2.980611599 16.39438572 34.06413256部件压力差（MPa）流量（l/min) 管内径 mm流速m/s局部阻力系数电机0.0225201.326963907 21.29008285电机控制器0.002820201.061571125 4.657205623三合一0.03225201.326963907 34.06413256水箱0.009450322.653927813 2.501584735部件局部阻力系数 流量（l/min) 管内径 mm流速m/s局部阻力电机21.2900828523.6201.252653928 17.82272电机控制器4.65720562323.6201.252653928 3.89872三合一34.0641325623.6201.252653928 28.516352水箱2.50158473523.6321.252653928 2.0941696总局部阻力52.3319616科力水泵扬程曲线扬程/m流量L/min1113.42100.6385.6468547.2615.76.3201151141131121111101091081071061051041031021011009998979695949392919089888786858483828180797877767574737271706968676665646362616059585756555453525150494847464544434241403938373635343332313029282726252423222120191817161514131211109876543210012345678910扬程、水阻平衡曲线电机控制器三合一参数流量（l/min)流速vm/s水管内径压力差（MPa）水管内径流量（l/min)m/s流速vm/s201.061571 200.002820250.000416667 1.326963907由阻力平衡得到的水流量L/minm/sQ水=Q/（C*t）m/s雷雷诺诺数数re=vd/沿沿程程阻阻力力系系数数,经验公式:=64/re(re2320)=0.0025*re(1/3)（2320re4000)=0.3164*re-0.25（4000re105)=0.0032+0.221*re-0.237（4000re105)沿沿程程阻阻力力kpakpaP=(L/d)(v/2)电机阻力kpa电机控制器阻力kpa23.6 0.000393 0.801699 333.0419220.0740648 0.0109435 0.0320.00448666.0838430.0622808 0.0368093 0.1280.01792999.1257650.0562771 0.0748372 0.2880.040321332.167690.0523717 0.1238114 0.5120.071681665.209610.0495301 0.1829587 0.80.1121998.251530.0473232 0.2517215 1.1520.161282331.293450.0455342 0.3296683 1.5680.219522664.335370.0440392 0.4164502 2.0480.286722997.377290.0427613 0.511776 2.5920.362883330.419220.0416497 0.6153973 3.20.4483663.461140.040669 0.7270977 3.8720.542083996.503060.0397939 0.8466867 4.6080.645124329.544980.0390055 0.9739943 5.4080.757124662.5869 0.0382895 1.1088674 6.2720.878084995.628820.0376347 1.251167 7.21.0085328.670750.0370324 1.4007658 8.1921.146885661.712670.0364754 1.5575471 9.2481.294725994.754590.0359578 1.7214026 10.3681.451526327.796510.0354751 1.8922319 11.5521.617286660.838430.0350231 2.0699414 12.81.7926993.880350.0345985 2.2544434 14.1121.975687326.922280.0341984 2.4456554 15.4882.168327659.9642 0.0338205 2.6434998 16.9282.369927993.006120.0334625 2.8479033 18.4322.580488326.048040.0331228 3.0587965 202.88659.089960.0327996 3.2761134 21.6323.028488992.131880.0324916 3.4997913 23.3283.265929325.173810.0321975 3.7297706 25.0883.512329658.215730.0319163 3.9659941 26.9123.767689991.257650.0316469 4.2084073 28.84.0321151141131121111101091081071061051041031021011009998979695949392919089888786858483828180797877767574737271706968676665646362616059585756555453525150494847464544434241403938373635343332313029282726252423222120191817161514131211109876543210012345678910管参数水箱参数压力差（MPa）管径m半径m管长m流量（l/min) 管半径流速vm/s压力差（MPa）迎风面积m散热面积m0.0320.0250.0125 650161.037 0.0094 0.1456.8需要水流量流速总水阻力空气流速三合一阻力kpa水箱阻力kpam/sQ水=Q/（C*t）L/minm/s（20mm）m/s（32mm）m/s（25mm）P=P局+P沿+H/kpaH=P总/gm由风扇的风量曲线及水箱正面积选取空气流速m/s0.0512 0.003761.7E-0510.053079 0.02073 0.034 6.376340.60979 5.50.2048 0.015043.3E-0520.106157 0.04147 0.068 6.676530.63850.4608 0.033840.0000530.159236 0.06220.102 7.171760.685860.8192 0.060166.7E-0540.212314 0.08294 0.136 7.860810.751761.280.0948.3E-0550.265393 0.10367 0.178.742920.836111.8432 0.135360.0001 60.318471 0.12440.204 9.817520.938882.5088 0.184240.0001270.371550.14514 0.238 11.08421.060023.2768 0.240640.0001380.424628 0.16587 0.272 12.54261.199494.1472 0.304560.0001590.477707 0.18660.306 14.19241.357265.120.3760.00017100.530786 0.20734 0.3416.03341.533326.1952 0.454960.00018110.583864 0.22807 0.374 18.06531.727657.3728 0.541440.0002 120.636943 0.24881 0.408 20.288 1.940218.6528 0.635440.00022130.690021 0.26954 0.442 22.70132.17110.035 0.736960.00023140.74310.29027 0.476 25.30512.4200111.520.8460.00025150.796178 0.31101 0.5128.09912.6872113.107 0.962560.00027160.849257 0.33174 0.544 31.08342.9726114.797 1.086640.00028170.902335 0.35247 0.577 34.25773.2761816.589 1.218240.0003 180.955414 0.37321 0.611 37.62193.5979118.483 1.357360.00032191.008493 0.39394 0.645 41.176 3.937820.481.5040.00033201.061571 0.41468 0.679 44.91994.2958422.579 1.658160.00035211.114650.43541 0.713 48.85344.6720224.781 1.819840.00037221.167728 0.45614 0.747 52.97665.0663327.085 1.989040.00038231.220807 0.47688 0.781 57.28925.4787629.491 2.165760.0004 241.273885 0.49761 0.815 61.79135.90931322.350.00042251.326964 0.51835 0.849 66.48286.3579734.611 2.541760.00043261.380042 0.53908 0.883 71.36356.82473H H= =P P总总/ /g gm m353025201510500246810三合一参数37.325 2.741040.00045271.433121 0.55981 0.917 76.43357.309640.141 2.947840.00047281.48620.58055 0.951 81.69277.8125543.059 3.162160.00048291.539278 0.60128 0.985 87.141 8.3335946.083.3840.0005 301.592357 0.62201 1.019 92.77848.8727111511411311211111010910810710610510410310210110099989796959493929190898887868584838281807978777675747372717069686766656463626160595857565554535251504948474645444342414039383736353433323130292827262524232221201918171615141312111098765432100123456。