汽车理论习题1.3驱动力-行驶阻力平衡图
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Ig Io ηt R N1 N2 N3 N4 Ua1 Ua2 Ua3 Ua4 Ttq1 Ttq2 Ttq3 Ttq4 Ft1 Ft2 Ft3 Ft4 Ff Fw Ff+Fw G I1 I2 I3 I4
Ⅰ 5.56 5.83 0.85 0.367 600 1800 3000 4000 2.561033849 7.683101546 12.80516924 17.07355899 106.6211368 174.1665448 169.7305 146.471 8004.597824 13075.57945 12742.54272 10996.33228 494.312 38.17838175 532.4903818 38024 20% 35% 34% 29%
Ⅱ 2.769 5.83 0.85 0.367 600 1800 3000 4000 5.142415384 15.42724615 25.71207692 34.28276923 106.6211368 174.1665448 169.7305 146.471 3986.462477 6511.920774 6346.061295 5476.410804 494.312 153.9292623 648.2412623 38024 9% 16% 15% 13%
Ⅱ Ⅲ Ⅳ Ⅴ
Ⅲ 1.644 5.83 0.85 0.367 600 1800 3000 4000 8.661404014 25.98421204 43.30702007 57.74269343 106.6211368 174.1665448 169.7305 146.471 2366.827126 3866.232485 3767.759036 3251.4335 494.312 436.6801723 930.9921723 38024 4% 8% 7% 6%
Ⅳ 1 5.83 0.85 0.367 600 1800 3000 4000 14.2393482 42.7180446 71.19674099 94.92898799 106.6211368 174.1665448 169.7305 146.471 1439.675868 2351.722923 2291.824231 1977.757604 494.312 1180.231222 1674.543222 38024 -1% 2% 2% 1%
16000
汽车驱动力与行驶阻力图
14000 F/N 12000 10000 8000 6000 4000
2000 0
Leabharlann Baidu
Ⅰ
Ⅱ
Ⅲ Ⅳ Ⅴ Ff+Fw
0
20
40
60
80
100
120
140 Ua/(Km－1)
汽车爬坡度图
汽车爬坡度图
40%
Imax
35% 30% 25%
20% Ⅰ
15% 10% 5% 0% -5% 0 -10% Ua/(Km－1) 20 40 60 80 100 120 140
Ⅴ 0.793 5.83 0.85 0.367 600 1800 3000 4000 17.9563029 53.8689087 89.7815145 119.708686 106.6211368 174.1665448 169.7305 146.471 1141.662963 1864.916278 1817.416615 1568.36178 494.312 1876.811798 2371.123798 38024 -3% -1% -1% -2%
Ⅰ 5.56 5.83 0.85 0.367 600 1800 3000 4000 2.561033849 7.683101546 12.80516924 17.07355899 106.6211368 174.1665448 169.7305 146.471 8004.597824 13075.57945 12742.54272 10996.33228 494.312 38.17838175 532.4903818 38024 20% 35% 34% 29%
Ⅱ 2.769 5.83 0.85 0.367 600 1800 3000 4000 5.142415384 15.42724615 25.71207692 34.28276923 106.6211368 174.1665448 169.7305 146.471 3986.462477 6511.920774 6346.061295 5476.410804 494.312 153.9292623 648.2412623 38024 9% 16% 15% 13%
Ⅱ Ⅲ Ⅳ Ⅴ
Ⅲ 1.644 5.83 0.85 0.367 600 1800 3000 4000 8.661404014 25.98421204 43.30702007 57.74269343 106.6211368 174.1665448 169.7305 146.471 2366.827126 3866.232485 3767.759036 3251.4335 494.312 436.6801723 930.9921723 38024 4% 8% 7% 6%
Ⅳ 1 5.83 0.85 0.367 600 1800 3000 4000 14.2393482 42.7180446 71.19674099 94.92898799 106.6211368 174.1665448 169.7305 146.471 1439.675868 2351.722923 2291.824231 1977.757604 494.312 1180.231222 1674.543222 38024 -1% 2% 2% 1%
16000
汽车驱动力与行驶阻力图
14000 F/N 12000 10000 8000 6000 4000
2000 0
Leabharlann Baidu
Ⅰ
Ⅱ
Ⅲ Ⅳ Ⅴ Ff+Fw
0
20
40
60
80
100
120
140 Ua/(Km－1)
汽车爬坡度图
汽车爬坡度图
40%
Imax
35% 30% 25%
20% Ⅰ
15% 10% 5% 0% -5% 0 -10% Ua/(Km－1) 20 40 60 80 100 120 140
Ⅴ 0.793 5.83 0.85 0.367 600 1800 3000 4000 17.9563029 53.8689087 89.7815145 119.708686 106.6211368 174.1665448 169.7305 146.471 1141.662963 1864.916278 1817.416615 1568.36178 494.312 1876.811798 2371.123798 38024 -3% -1% -1% -2%