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Московский государственный машиностроительный университет "МАМИ"

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Автомобили

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Расчет автомобиля с КЭУ

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7 – – .

, , ,

	7
		= 0.922					= 0.744
	t ,			V ,		N f ,				N w ,					N ,			E ,
	2			15		1.631			0.147						1.928			5.185
	,					:
	E			5.185

	8 – .
8
ja = 0.944			j = 1.022					= 0.922				= 0.744
tn,		tk,	Vn,		Vk,			t, c			a ,			f ,			w ,			j ,			,		t ,

										V			N			N			N		N
56		56.5	15		16.7			0.5	15.85			1.725					0.173		12.005			15.079		10.136
56.5		57	16.7		18.4			0.5	17.55			1.915					0.235		13.293			16.748		11.258
57		57.5	18.4		20.1			0.5	19.25			2.105					0.311		14.581			18.433		12.39
57.5		58	20.1		21.8			0.5	20.95			2.297					0.401		15.868			20.135		13.535
58		58.5	21.8		23.5			0.5	22.65			2.491					0.506		17.156			21.856		14.691
58.5		59	23.5		25.2			0.5	24.35			2.687					0.629		18.444			23.598		15.862

111

59	59.5	25.2	26.9	0.5	26.05	2.884	0.77	19.731	25.361	17.047
59.5	60	26.9	28.6	0.5	27.75	3.083	0.931	21.019	27.148	18.248
60	60.5	28.6	30.3	0.5	29.45	3.284	1.113	22.307	28.96	19.466
60.5	61	30.3	32	0.5	31.15	3.487	1.317	23.594	30.798	20.702
, :
E		153.336

		:
Q		0

112

9 – .

, (

) .

. :

-t = 24 ;

-V = 32 ;

-, ,

N f	Ga	f0	1 4 10 5 V 2	V		1	;

			3.6		1000			32		1
N f	2825 9.81 0.014 1 4 10 5 322										3.59
									1000
							3.6

- , :

N w	c	x	F	V 3			1	0.7	1.24 4.215	323			1	1.427	[ ];
	2			3.6	3	1000		2		3.6	3	1000

- ,

, :

N		N f	N w		3.59 1.427			5.387	[ ];
					0.931

- :
ne	V		i		32	4.11	1017.083 [ ];
	0.377 rk			0.377		0.343

- ,

Nemin:


N ,							,
g 10, /( )							,
g 10, /( )
75							300
70							280
65							260
60							240
55							220
50							200
45							180
40							160
35							140
30							120
25							100
20						Ne	80
						Ne
15						ge	60
						ge
N10min						Nemin	40
N10min						Me	40
5						Me	20
5							20
0							0
500	1000	1500	2000	2500	3000	3500	4000
	n		n ,
			n ,
Nemin = 4.795 = 6.94;			. 6.4.
Nemin = 4.795 = 6.94;

114

-. Nemin > N , ;

:
N Ne min N 1 6.94 5.387 0.951 1.477 [ ];
-
gemin:
ge, /( )
	300
	gemin
	250
	200
	150
	100
	500	1000	1500	2000	2500	3000	3500	4000
		ne		ne,

. 6.5.

gemin = 250.868 /( ), gemin ( 3-

)

ge = f(ne) ,

. - :

Q		ge min Ne min	t		250.868 6.94	24 11.608	[ ];

	3600			3600

-, :

N t 1.477 24 0.703 [ ].

– :

115

	= 0.931								= 0.703				1 = 0.951
t ,					V ,			N f ,			N w ,		N ,				ne ,				Ne min ,				N ,					ge min ,				Q ,			,
	c																												/( )
24				32			3.59			1.427			5.387			1017.083					6.94				1.477				250.868				11.608			24.902
Pac :
Q		11.608
, :
					24.902

		10 – .
1 10
ja = -0.75					j = 1.022							= 0.922								= 0.703
t ,			t ,			V ,			V ,			t,			a ,				f ,					w ,				j ,						,			t ,
														V				N					N				N					N
														V				N					N				N					N
c
85			85.5		32			30.65				0.5	31.325				3.509					1.339				18.848					12.91				4.535
85.5			86		30.65			29.3				0.5	29.975				3.347					1.173				18.036					12.463				4.378
86			86.5		29.3			27.95				0.5	28.625				3.186					1.022				17.224					12.001				4.216
86.5			87		27.95			26.6				0.5	27.275				3.027					0.884				16.411					11.526				4.049
87			87.5		26.6			25.25				0.5	25.925				2.869					0.759				15.599					11.038				3.877
87.5			88		25.25			23.9				0.5	24.575				2.713					0.647				14.787					10.537				3.701
88			88.5		23.9			22.55				0.5	23.225				2.557					0.546				13.974					10.024				3.521

88.5	89	22.55	21.2	0.5	21.875	2.403		0.456	13.162	9.501	3.337
89	89.5	21.2	19.85	0.5	20.525	2.249		0.377	12.35	8.966	3.149
89.5	90	19.85	18.5	0.5	19.175	2.097		0.307	11.538	8.422	2.958
90	90.5	18.5	17.15	0.5	17.825	1.945		0.247	10.725	7.868	2.764
90.5	91	17.15	15.8	0.5	16.475	1.795		0.195	9.913	7.306	2.566
91	91.5	15.8	14.45	0.5	15.125	1.645		0.151	9.101	6.736	2.366
91.5	92	14.45	13.1	0.5	13.775	1.496		0.114	8.288	6.158	2.163
92	92.5	13.1	11.75	0.5	12.425	1.347		0.084	7.476	5.574	1.958
92.5	93	11.75	10.4	0.5	11.075	1.199		0.059	6.664	4.984	1.751
2 10
ja = -0.92		j = 1.022		= 0.922			= 0.703
93	93.5	10.4	8.744	0.5	9.572	1.035		0.038	7.065	5.524	1.941
93.5	94	8.744	7.088	0.5	7.916	0.855		0.022	5.843	4.579	1.608
94	94.5	7.088	5.432	0.5	6.26	0.676		0.011	4.62	3.627	1.274
94.5	95	5.432	3.776	0.5	4.604	0.497		0.004	3.398	2.671	0.938
95	95.5	3.776	2.12	0.5	2.948	0.318		0.001	2.176	1.712	0.601
95.5	96	2.12	0.464	0.5	1.292	0.139		0	0.954	0.751	0.264
, :
		57.916
:
Q		0

11 –

21 c 5

117

	:
	E		0
	:
	Q		0			0
		12 – .
12
ja = 0.833				j = 1.022			= 0.931				= 0.744
	t ,	t ,			V ,	V ,	t, c			a ,			f ,		w ,			j ,		,		t ,
									V			N		N			N		N		E
49		49.5		0		1.5	0.5	0.75			0.081			0		0.501			0.631		0.424
49.5		50		1.5		3	0.5	2.25			0.243			0		1.504			1.894		1.273
50		50.5		3		4.5	0.5	3.75			0.404			0.002		2.506			3.159		2.123
50.5		51		4.5		6	0.5	5.25			0.566			0.006		3.509			4.426		2.975
51		51.5		6		7.5	0.5	6.75			0.729			0.013		4.511			5.697		3.83
51.5		52		7.5		9	0.5	8.25			0.892			0.024		5.514			6.973		4.687
52		52.5		9		10.5	0.5	9.75			1.055			0.04		6.516			8.255		5.549
52.5		53		10.5		12	0.5	11.25			1.219			0.062		7.519			9.543		6.415
53		53.5		12		13.5	0.5	12.75			1.383			0.09		8.521			10.839		7.286
53.5		54		13.5		15	0.5	14.25			1.548			0.126		9.524			12.144		8.163
	,			:
	E			42.725

	:
	Q			0

118

	13 – .
	13
	= 0.922						= 0.744
	t ,		V ,			N f	,		N w ,				N ,					E ,
	2		15		1.631				0.147			1.928				5.185
	, :
	E		5.185

	:
	Q		0
	14 – .
14
ja = 0.617				j = 1.022				= 0.922					= 0.744
	t ,	t ,		V ,		V ,		t, c			a ,				f ,				w ,		j ,		,		t ,
	t ,	t ,		V ,		V ,		t, c		V	a ,			N	f ,			N	w ,	N	j ,	N	,	E	t ,
124		124.5		15		16.111		0.5			15.556		1.693				0.164			7.701		10.365		6.967
124.5		125		16.111		17.222		0.5			16.667		1.816				0.202			8.251		11.137		7.486
125		125.5		17.222		18.333		0.5			17.778		1.94				0.245			8.801		11.914		8.009
125.5		126		18.333		19.444		0.5			18.889		2.065				0.294			9.351		12.699		8.536
126		126.5		19.444		20.556		0.5			20		2.19				0.349			9.901		13.491		9.068
126.5		127		20.556		21.667		0.5			21.111		2.316				0.41			10.451		14.29		9.606
127		127.5		21.667		22.778		0.5			22.222		2.442				0.478			11.001		15.098		10.149
127.5		128		22.778		23.889		0.5			23.333		2.569				0.553			11.551		15.914		10.697
128		128.5		23.889			25	0.5			24.444		2.697				0.636			12.101		16.74		11.252

119

128.5	129			25			26.111			0.5		25.556			2.826		0.727	12.651	17.574	11.813
129	129.5			26.111			27.222			0.5		26.667			2.956		0.826	13.202	18.419	12.381
129.5	130			27.222			28.333			0.5		27.778			3.086		0.934	13.752	19.273	12.955
130	130.5			28.333			29.444			0.5		28.889			3.217		1.05	14.302	20.139	13.537
130.5	131			29.444			30.556			0.5		30			3.35		1.176	14.852	21.015	14.126
131	131.5			30.556			31.667			0.5		31.111			3.483		1.312	15.402	21.903	14.723
131.5	132			31.667			32.778			0.5		32.222			3.617		1.457	15.952	22.803	15.328
132	132.5			32.778			33.889			0.5		33.333			3.752		1.613	16.502	23.715	15.941
132.5	133			33.889					35	0.5		34.444			3.888		1.78	17.052	24.641	16.563
, :
E			209.135

:
Q			0
15 – .
15
= 0.922									= 0.744

t ,		V ,						N f	,		N w ,			N ,			E ,
2		35				3.957					1.868		6.317			16.984
,					:
E		16.984

:
Q		0

120

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