NJ1310DAW载货车汽车动力性计算书(320马力).doc

NJ1310DAW载货车汽车动力性计算书

1整车参数
1.1尺寸参数

尺寸参数(mm)车型NJ1310DAW载货车总长11950总宽2495总高3240轴距7450前轮距1940后轮距1860
1.2质量参数

车型NJ1310DAW载货车整备质量(kg)12500总质量(kg)31000
1.3发动机参数

发动机型号排量最大功率最大转矩压缩比WD615.449.726L240.91kW/2150rpm1245.79Nm/1460rpm17:1
1.4变速器参数

档位速比ig18.0825.9334.4243.3652.4161.7671.3281
1.5发动机外特性参数

转速(rpm)转矩(Nm)80011101000113012001195140012501500124516001230180011902000112522001040
1.6技术参数

直接档传动效率0.95其它档传动效率0.90滚动阻力系数10.0080滚动阻力系数20.000056驱动桥主传动比4.8空气阻力系数0.72回转质量换算系数10.05回转质量换算系数20.05车轮滚动半径（m)0.523迎风面积（m2)6.500

2动力性计算
2.1后驱动动力性计算
2.1.1动力特性计算

变速器档位Ne(r/min)Va(km/h)Ft(N)Fw(N)Ff(N)D1800.04.0771144.493.662500.000.23955.64.8671403.295.222513.000.241111.15.6574873.077.062527.000.251266.76.4478176.849.182540.000.261422.27.2379750.3511.572553.000.261577.88.0279308.9714.242567.000.261733.38.8177314.6917.182580.000.251888.99.6074443.0020.402594.000.242044.410.3971049.8523.902607.000.232200.011.1866638.5827.682621.000.222800.05.5452213.726.802525.000.17955.66.6252403.659.692543.000.171111.17.7054950.1613.112561.000.181266.78.7757374.8417.042580.000.191422.29.8558529.6521.482598.000.191577.810.9358205.7226.432616.000.191733.312.0156742.0931.902635.000.191888.913.0854634.5337.882653.000.182044.414.1652144.2644.382671.000.172200.015.2448906.7851.392690.000.163800.07.4338918.1512.232557.000.13955.68.8839059.7217.452581.000.131111.110.3340957.7923.592606.000.131266.711.7742765.0630.662631.000.141422.213.2243625.8138.662655.000.141577.814.6643384.3647.582680.000.141733.316.1142293.4357.422704.000.141888.917.5540722.5368.192729.000.132044.419.0038866.3879.882754.000.132200.020.4536453.2892.502778.000.124800.09.7829584.8421.172597.000.10955.611.6829692.4630.202629.000.101111.113.5831135.3440.832661.000.101266.715.4932509.1853.062694.000.111422.217.3933163.5166.902726.000.111577.819.2932979.9782.332759.000.111733.321.1932150.6699.362791.000.111888.923.0930956.49118.002823.000.102044.424.9929545.48138.232856.000.102200.026.9027711.09160.072888.000.095800.013.6421220.0841.142662.000.0795