Расчет автомобиля с КЭУ
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n – , [ ].
2.+ .
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Fk (M M ) i , [ ].
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[6]. ,
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0 2 .
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3.+ .
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Fk M i , [ ].
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n = ne = n – (
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4.+ + .
21
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Fk M M i , [ ].
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3.
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1. |
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Ff Ga f0 1 4 10 5 Va2 , [ ],
Ga – , ;
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– ;– , [ 3];
F – , [ 2].
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F Ff Fw , [ ].
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G – ( ,
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– .
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, . 5.1,
22
.1.7.
23
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10000 |
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9000 |
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8000 |
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7000 |
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6000 |
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5000 |
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4000 |
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3000 |
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F |
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2000 |
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Fw |
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1000 |
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Ff |
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V , |
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. 1.7. |
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24 |
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1.3.
[8],
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D Fk Fw 100 , [%].
Ga
: f f0 1 4 10 5 Va2 .
. 1.8.
25
D, %
35.0 |
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32.5 |
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30.0 |
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27.5 |
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25.0 |
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22.5 |
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20.0 |
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17.5 |
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15.0 |
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12.5 |
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10.0 |
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7.5 |
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5.0 |
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f |
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2.5 |
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0.0 |
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. 1.8. |
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26 |
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,
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dVa |
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D f |
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j |
D – ;
f– ;
g= 9.81 2 – ;
j – . 1. :
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I – , [ 2];Ik – , [ 2];
Ga – , [ ]; rk – , [ ].
2. :
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1 I 2 i02 |
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3. : |
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j 1 |
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I – , [ 2]. 4. :
j 1 |
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1 I 2 i02 |
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5. :
27
j 1 |
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G |
a |
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k |
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,
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. 1.9.
28
ja, |
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3.2 |
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3.0 |
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2.8 |
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2.6 |
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2.4 |
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2.2 |
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2.0 |
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1.8 |
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1.6 |
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1.4 |
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1.2 |
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1.0 |
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0.8 |
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0.6 |
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0.4 |
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0.2 |
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0.0 |
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V , |
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. 1.9. |
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29 |
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1.5.
,
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0.9Vmax |
1 |
dVa |
0.9V |
1 Va , [ ]. |
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t |
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max |
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0 |
ja |
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0 |
ja |
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( , . 1.1
),
.
, , .
,
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. 1.10.
30