Методика расчета тягово-скоростных свойств и топливной экономичности автомобиля на стадии проектирования. Вохминов Д.Е - 13 стр.

UptoLike

ВУЗ: 

МАМИ | Москва

Составители: 

Рубрика: 

13
Ijbf_j
Hij_^_eblv J
f
m Z\lhfh[bey fZkkhc  l dhlhjuc ^\b`_lky gZ
ih^t_f_kh kdhjhklvx  dfq IZjZf_lju Z\lhfh[bey
KF = 0,3,
rbgu jZ^bZevgu_ k f_lZeehdhj^hf \ dZjdZk_ b
[j_d_j_ bf_xl jZaf_j 5 mgb\_jkZevguc jbkmghd
ijhl_dlhjZr
d
 f
Bkoh^ybajZaf_jghklb^ZgghcrbguihemqZ_fG< 
Bkihevamy\ujZ`_gb_blZ[ebpmbf__f



I
R
R
=
+⋅+
=
;
GZhkgh\_nhjfmeuihemqZ_f
()
G

J
I
=⋅⋅+⋅+
+
⋅+⋅=
−
2.5. Khijhlb\e_gby \ ljZgkfbkkbb
KmffZjgu_ khijhlb\e_gby \ ljZgkfbkkbb kdeZ^u\Zxlky ba ^\mo
hkgh\guo khklZ\eyxsbo ihl_jv ohehklh]h oh^Z±
h
lj
J b ihl_jv \ua\Zgguo
i_j_^Zq_cdjmlys_]hfhf_glZ±
f
lj
J .
f
lj
h
ljlj
JJJ
+=
.
<_ebqbgZ
h
lj
J \k\hxhq_j_^vfh`_l[ulvij_^klZ\e_gZ\\b^_
D9JJ
h
hljlj
+=
,
]^_
h
hlj
J ±kbeZ khijhlb\e_gby \jZs_gbx ljZgkfbkkbb \ohehklmx ijb
kdhjhklb[ebadhcdgmexoZjZdl_jbam_lihl_jbgZlj_gb_f_`^m
^_lZeyfb ljZgkfbkkbb ijb bo \aZbfghf i_j_f_s_gbb Z lZd`_
khijhlb\e_gb_dhlhjh_^_ckl\m_lgZwe_f_gluljZgkfbkkbbijb
f_^e_gghfijhoh`^_gbbboq_j_afZkeygmx\Zggm
                                               13
      Ijbf_j Hij_^_eblv Jf m Z\lhfh[bey fZkkhc  l dhlhjuc ^\b`_lky gZ
               ih^t_f_  kh kdhjhklvx  dfq IZjZf_lju Z\lhfh[bey
               KF = 0,3, rbgu jZ^bZevgu_ k f_lZeehdhj^hf \ dZjdZk_ b
               [j_d_j_ bf_xl jZaf_j 5 mgb\_jkZevguc jbkmghd
               ijhl_dlhjZrd f

                  Bkoh^ybajZaf_jghklb^ZgghcrbguihemqZ_fG< 

                  Bkihevamy\ujZ`_gb_  blZ[ebpmbf__f

                            +  ⋅  + 
                  I RR =                               =  ;
                                     

                  GZhkgh\_nhjfmeu  ihemqZ_f

                                                        
                                             −     
                 J I =  ⋅   +  ⋅        +
                                                    
                                                         
                                 (                              )
                           +   ⋅   +  ⋅  ⋅  =  G



      2.5. K h i j h l b \ e _ g b y  \  l j Z g k f b k k b b


     KmffZjgu_ khijhlb\e_gby \ ljZgkfbkkbb kdeZ^u\Zxlky ba ^\mo
hkgh\guo khklZ\eyxsbo ihl_jv ohehklh]h oh^Z ± J hlj  b ihl_jv \ua\Zgguo
i_j_^Zq_cdjmlys_]hfhf_glZ± J flj .

              J lj = J hlj + J flj .

      <_ebqbgZ J hlj \k\hxhq_j_^vfh`_l[ulvij_^klZ\e_gZ\\b^_

              J lj = J hlj h + D9 ,


]^_   J hlj h  ± kbeZ khijhlb\e_gby \jZs_gbx ljZgkfbkkbb \ohehklmx ijb
                kdhjhklb[ebadhcdgmexoZjZdl_jbam_lihl_jbgZlj_gb_f_`^m
                ^_lZeyfb ljZgkfbkkbb ijb bo \aZbfghf i_j_f_s_gbb Z lZd`_
                khijhlb\e_gb_dhlhjh_^_ckl\m_lgZwe_f_gluljZgkfbkkbbijb
                f_^e_gghfijhoh`^_gbbboq_j_afZkeygmx\Zggm

Страницы