1、NJ1310DAW 载货车汽车动力性计算书1 整车参数1.1 尺寸参数车型尺寸参数(mm)NJ1310DAW 载货车总长 11950总宽 2495总高 3240轴距 7450前轮距 1940后轮距 18601.2 质量参数车型 NJ1310DAW 载货车整备质量(kg) 12500总质量(kg) 310001.3 发动机参数发动机型号 排量 最大功率 最大转矩 压缩比WD615.44 9.726L 240.91kW/ 2150rpm1245.79Nm/ 1460rpm17:11.4 变速器参数档位 速比 ig1 8.082 5.933 4.424 3.365 2.416 1.767 1.328
2、 11.5 发动机外特性参数转速(rpm) 转矩(Nm)800 11101000 11301200 11951400 12501500 12451600 12301800 11902000 11252200 10401.6 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 1 0.0080滚动阻力系数 2 0.000056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 1 0.05回转质量换算系数 2 0.05车轮滚动半径(m) 0.523迎风面积(m2) 6.5002 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)
3、 Va (km/h) Ft (N) Fw (N) Ff (N) D800.0 4.07 71144.49 3.66 2500.00 0.23955.6 4.86 71403.29 5.22 2513.00 0.241111.1 5.65 74873.07 7.06 2527.00 0.251266.7 6.44 78176.84 9.18 2540.00 0.261422.2 7.23 79750.35 11.57 2553.00 0.261577.8 8.02 79308.97 14.24 2567.00 0.261733.3 8.81 77314.69 17.18 2580.00 0.25
4、1888.9 9.60 74443.00 20.40 2594.00 0.242044.4 10.39 71049.85 23.90 2607.00 0.2312200.0 11.18 66638.58 27.68 2621.00 0.22800.0 5.54 52213.72 6.80 2525.00 0.17955.6 6.62 52403.65 9.69 2543.00 0.171111.1 7.70 54950.16 13.11 2561.00 0.181266.7 8.77 57374.84 17.04 2580.00 0.1921422.2 9.85 58529.65 21.48
5、2598.00 0.191577.8 10.93 58205.72 26.43 2616.00 0.191733.3 12.01 56742.09 31.90 2635.00 0.191888.9 13.08 54634.53 37.88 2653.00 0.182044.4 14.16 52144.26 44.38 2671.00 0.172200.0 15.24 48906.78 51.39 2690.00 0.16800.0 7.43 38918.15 12.23 2557.00 0.13955.6 8.88 39059.72 17.45 2581.00 0.131111.1 10.33
6、 40957.79 23.59 2606.00 0.131266.7 11.77 42765.06 30.66 2631.00 0.141422.2 13.22 43625.81 38.66 2655.00 0.141577.8 14.66 43384.36 47.58 2680.00 0.141733.3 16.11 42293.43 57.42 2704.00 0.141888.9 17.55 40722.53 68.19 2729.00 0.132044.4 19.00 38866.38 79.88 2754.00 0.1332200.0 20.45 36453.28 92.50 277
7、8.00 0.12800.0 9.78 29584.84 21.17 2597.00 0.10955.6 11.68 29692.46 30.20 2629.00 0.101111.1 13.58 31135.34 40.83 2661.00 0.101266.7 15.49 32509.18 53.06 2694.00 0.111422.2 17.39 33163.51 66.90 2726.00 0.111577.8 19.29 32979.97 82.33 2759.00 0.111733.3 21.19 32150.66 99.36 2791.00 0.111888.9 23.09 3
8、0956.49 118.00 2823.00 0.102044.4 24.99 29545.48 138.23 2856.00 0.1042200.0 26.90 27711.09 160.07 2888.00 0.09800.0 13.64 21220.08 41.14 2662.00 0.07955.6 16.29 21297.27 58.70 2707.00 0.071111.1 18.94 22332.19 79.36 2753.00 0.071266.7 21.59 23317.60 103.14 2798.00 0.081422.2 24.24 23786.92 130.03 28
9、43.00 0.081577.8 26.89 23655.27 160.03 2888.00 0.081733.3 29.54 23060.45 193.14 2933.00 0.081888.9 32.20 22203.91 229.36 2978.00 0.072044.4 34.85 21191.85 268.69 3023.00 0.0752200.0 37.50 19876.11 311.14 3068.00 0.06800.0 18.67 15496.82 77.14 2748.00 0.05955.6 22.30 15553.19 110.06 2810.00 0.051111.
10、1 25.93 16308.99 148.81 2872.00 0.051266.7 29.56 17028.62 193.39 2933.00 0.061422.2 33.19 17371.36 243.81 2995.00 0.061577.8 36.82 17275.22 300.06 3057.00 0.061733.3 40.45 16840.82 362.14 3119.00 0.051888.9 44.09 16215.31 430.06 3180.00 0.0562044.4 47.72 15476.20 503.81 3242.00 0.052200.0 51.35 1451
11、5.33 583.39 3304.00 0.05800.0 24.90 11622.61 137.14 2854.00 0.04955.6 29.74 11664.89 195.66 2936.00 0.041111.1 34.58 12231.74 264.55 3019.00 0.041266.7 39.42 12771.46 343.81 3101.00 0.041422.2 44.26 13028.52 433.44 3183.00 0.041577.8 49.10 12956.42 533.44 3266.00 0.041733.3 53.94 12630.62 643.81 334
12、8.00 0.041888.9 58.78 12161.48 764.55 3430.00 0.042044.4 63.62 11607.15 895.66 3513.00 0.0472200.0 68.46 10886.50 1037.14 3595.00 0.03800.0 32.86 9294.18 238.96 2989.00 0.03955.6 39.25 9327.99 340.92 3098.00 0.031111.1 45.64 9781.27 460.95 3207.00 0.031266.7 52.03 10212.87 599.05 3316.00 0.031422.2
13、58.42 10418.43 755.22 3424.00 0.031577.8 64.81 10360.77 929.46 3533.00 0.031733.3 71.20 10100.24 1121.77 3642.00 0.031888.9 77.59 9725.09 1332.15 3750.00 0.032044.4 83.98 9281.81 1560.59 3859.00 0.0382200.0 90.37 8705.53 1807.11 3968.00 0.02注:表中符号含义Ne发动机转速 (rpm)Va车速 (km/h)Ft驱动力 (N)Fw空气阻力 (N)Ff滚动阻力 (
14、N)D最大动力因数2.1.2 各档爬坡度计算变速器档位 D i(%) ()1 0.26 26.32 14.752 0.19 18.75 10.623 0.14 13.62 7.754 0.11 10.06 5.745 0.08 6.87 3.936 0.06 4.66 2.677 0.04 3.10 1.788 0.03 2.07 1.19注:表中符号含义D最大动力因数i最大爬坡度 (%)最大爬坡角度 ()2.1.3 起步加速计算Va (km/h) S (m) t (s)0 0 018.15 19.52 6.3821.98 29.5 8.1725.05 39.57 9.7127.53 49.5
15、1 11.0729.74 59.53 12.3331.72 69.52 13.533.53 79.58 14.6135.16 89.5 15.6536.68 99.58 16.6638.03 109.55 17.6239.25 119.53 18.5540.43 129.6 19.4641.55 139.51 20.3342.63 149.56 21.1943.65 159.51 22.0244.65 169.57 22.8445.6 179.59 23.6446.51 189.57 24.4247.4 199.62 25.1948.24 209.58 25.9449.06 219.58 26
16、.6849.85 229.61 27.4150.61 239.52 28.1251.34 249.57 28.8351.98 259.62 29.5352.61 269.64 30.2253.21 279.64 30.953.81 289.59 31.5754.39 299.51 32.2354.97 309.54 32.8955.53 319.51 33.5456.09 329.59 34.1956.63 339.61 34.8357.16 349.56 35.4657.68 359.61 36.0958.2 369.59 36.7158.7 379.66 37.3359.2 389.65
17、37.9459.68 399.55 38.5460.16 409.54 39.1460.63 419.61 39.7461.09 429.58 40.3361.55 439.63 40.9261.99 449.58 41.562.43 459.61 42.0862.86 469.53 42.6563.29 479.51 43.2278.49 999.69 69.43注:表中符号含义Va车速(km/h)S距离(m)t时间(s)2.1.4 特定档加速计算档位: 8Va (km/h) S (m) t (s)30 0 031.46 19.21 2.2532.2 29.37 3.432.9 39.32
18、4.533.57 49.01 5.5534.27 59.38 6.6534.93 69.47 7.735.55 79.26 8.736.17 89.22 9.736.79 99.35 10.737.38 109.14 11.6537.97 119.08 12.638.56 129.18 13.5539.15 139.43 14.539.71 149.29 15.440.27 159.29 16.340.83 169.42 17.241.37 179.13 18.0541.93 189.54 18.9542.47 199.5 19.843.01 209.6 20.6543.51 219.21 2
19、1.4544.06 229.55 22.344.57 239.39 23.145.08 249.35 23.945.6 259.43 24.746.11 269.62 25.546.6 279.28 26.2547.09 289.04 2747.61 299.56 27.848.1 309.53 28.5548.59 319.6 29.349.05 329.09 3049.55 339.36 30.7550.01 349.04 31.4550.5 359.51 32.250.97 369.38 32.951.43 379.33 33.651.9 389.38 34.352.36 399.52
20、3573.56 999.56 69.1注:表中符号含义Va车速 (km/h)S距离 (m)t时间 (s)2.1.5 功率计算变速器档位 Ne (r/min) Va (km/h) Pe (kW) Pw (kW) Pf (kW) Pb (kW)800.0 4.07 93.03 0.00 2.82 89.75955.6 4.86 111.52 0.01 3.39 107.591111.1 5.65 135.98 0.01 3.96 131.371266.7 6.44 161.85 0.02 4.54 156.571422.2 7.23 185.39 0.02 5.13 179.421577.8 8.
21、02 204.52 0.03 5.72 197.871733.3 8.81 219.04 0.04 6.32 211.681888.9 9.60 229.83 0.05 6.92 221.762044.4 10.39 237.42 0.07 7.53 228.6312200.0 11.18 239.62 0.09 8.14 230.10800.0 5.54 93.03 0.01 3.89 88.52955.6 6.62 111.52 0.02 4.68 106.0921111.1 7.70 135.98 0.03 5.48 129.601266.7 8.77 161.85 0.04 6.29
22、154.531422.2 9.85 185.39 0.06 7.11 177.091577.8 10.93 204.52 0.08 7.94 195.241733.3 12.01 219.04 0.11 8.79 208.751888.9 13.08 229.83 0.14 9.64 218.512044.4 14.16 237.42 0.17 10.51 225.052200.0 15.24 239.62 0.22 11.39 226.19800.0 7.43 93.03 0.03 5.28 86.89955.6 8.88 111.52 0.04 6.37 104.101111.1 10.3
23、3 135.98 0.07 7.48 127.251266.7 11.77 161.85 0.10 8.60 151.781422.2 13.22 185.39 0.14 9.75 173.941577.8 14.66 204.52 0.19 10.92 191.671733.3 16.11 219.04 0.26 12.10 204.741888.9 17.55 229.83 0.33 13.31 214.042044.4 19.00 237.42 0.42 14.53 220.1132200.0 20.45 239.62 0.53 15.78 220.75800.0 9.78 93.03
24、0.06 7.05 84.80955.6 11.68 111.52 0.10 8.53 101.531111.1 13.58 135.98 0.15 10.04 124.171266.7 15.49 161.85 0.23 11.59 148.181422.2 17.39 185.39 0.32 13.17 169.771577.8 19.29 204.52 0.44 14.78 186.911733.3 21.19 219.04 0.58 16.43 199.351888.9 23.09 229.83 0.76 18.11 207.992044.4 24.99 237.42 0.96 19.
25、83 213.3642200.0 26.90 239.62 1.20 21.58 213.26800.0 13.64 93.03 0.16 10.08 81.18955.6 16.29 111.52 0.27 12.25 97.041111.1 18.94 135.98 0.42 14.48 118.731266.7 21.59 161.85 0.62 16.78 141.721422.2 24.24 185.39 0.88 19.14 162.221577.8 26.89 204.52 1.20 21.57 178.171733.3 29.54 219.04 1.59 24.07 189.3
26、51888.9 32.20 229.83 2.05 26.63 196.632044.4 34.85 237.42 2.60 29.26 200.5452200.0 37.50 239.62 3.24 31.96 198.88800.0 18.67 93.03 0.40 14.25 76.07955.6 22.30 111.52 0.68 17.41 90.581111.1 25.93 135.98 1.07 20.69 110.791266.7 29.56 161.85 1.59 24.09 132.131422.2 33.19 185.39 2.25 27.62 150.821577.8
27、36.82 204.52 3.07 31.27 164.7861733.3 40.45 219.04 4.07 35.05 173.771888.9 44.09 229.83 5.27 38.95 178.662044.4 47.72 237.42 6.68 42.97 179.952200.0 51.35 239.62 8.32 47.12 175.45800.0 24.90 93.03 0.95 19.74 69.09955.6 29.74 111.52 1.62 24.25 81.581111.1 34.58 135.98 2.54 28.99 99.481266.7 39.42 161
28、.85 3.76 33.95 118.201422.2 44.26 185.39 5.33 39.14 133.921577.8 49.10 204.52 7.28 44.54 144.551733.3 53.94 219.04 9.65 50.17 149.811888.9 58.78 229.83 12.48 56.01 150.552044.4 63.62 237.42 15.83 62.08 147.2572200.0 68.46 239.62 19.72 68.37 137.66800.0 32.86 93.03 2.18 27.29 60.71955.6 39.25 111.52
29、3.72 33.78 70.401111.1 45.64 135.98 5.84 40.66 84.991266.7 52.03 161.85 8.66 47.92 99.811422.2 58.42 185.39 12.26 55.57 111.021577.8 64.81 204.52 16.73 63.60 116.431733.3 71.20 219.04 22.19 72.03 115.741888.9 77.59 229.83 28.71 80.83 109.722044.4 83.98 237.42 36.41 90.03 98.7982200.0 90.37 239.62 45
30、.36 99.60 80.67注:表中符号含义Pe发动机功率(kW)Pw空气阻力功率 (kW)Pf滚动阻力功率(kW)Pb后备功率(kW)2.1.6 最高车速计算最高车速: 92.85km/h3.评价指标驱动功率损失率: 47.38动力性尚好NJ1310DAW 载货车功率特性曲线NJ1310DAW 载货车加速 V-S 曲线NJ1310DAW 载货车加速 V-T 曲线NJ1310DAW 载货车 0 档加速 V-S 曲线NJ1310DAW 载货车 0 档加速 V-T 曲线NJ1310DAW 载货车动力因数曲线NJ1310DAW 载货车动力特性曲线NJ1310DAW 载货车车速特性曲线WD615.44 功率曲线WD615.44 转矩曲线