Динамика двигателей внутренннего сгорания. Панов В.В - 18 стр.

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18
H[sb_k\_^_gby
<j_Zevghf^\b]Zl_e_m]eh\Zykdhjhklv\jZs_gby dhe_gqZlh]h\ZeZg_
y\ey_lkyihklhygghc^Z`_gZmklZgh\b\r_fkyj_`bf__]hjZ[hlubdhe_[
e_lky hl pbdeZ d pbdem Wlh h[tykgy_lky baf_g_gb_f \_ebqbgu bg^bdZ
lhjgh]hdjmlys_]hfhf_glZ
i
M
dhlhjuc\k\hxhq_j_^vbaf_gy_lkyba-
aZpbdebq_kdh]hoZjZdl_jZjZ[hqboijhp_kkh\^\b]Zl_ey
Ijb g_jZ\ghf_jghf \jZs_gbb dhe_gqZlh]h \ZeZ mkeh\b_ jZ\gh\_kby
ijbeh`_gguodg_fmfhf_glh\\ujZ`Z_lkymjZ\g_gb_f
dt
d
JM
i
M
o
ϖ
+=
khij
, (1)
]^_
khij
M -kmffZjguc fhf_gl khijhlb\e_gby mqblu\Zxsbc f_oZgbq_
kdb_ihl_jb\^\b]Zl_e_bkhijhlb\e_gb_^\b`_gbxZ\lhfh[beybebljZd
lhjZ
R
- -fhf_gl bg_jpbb \k_o \jZsZxsboky fZkk ^\b]Zl_ey ijb\_
^_gguodhkbdhe_gqZlh]h\ZeZ
GW
Gϖ
-m]eh\h_mkdhj_gb_dhe_gqZlh]h\ZeZ
Bg^bdZlhjgucdjmlysbcfhf_gl
L
0
y\ey_lkykmffhcfhf_glh\hlkbe
^Z\e_gby ]Zah\
U
0
b kbe bg_jpbb \ha\jZlgh-ihklmiZl_evgh ^\b`msboky
fZkk
M
0  >ey hp_gdb jZ\ghf_jghklb baf_g_gby djmlys_]h fhf_glZ bk
ihevamxldhwnnbpb_glg_jZ\ghf_jghklbdjmlys_]hfhf_glZ
µ
:
kj
minmax
i
ii
M
MM
−
=µ (2)
bkl_i_gvg_jZ\ghf_jghklbdjmlys_]hfhf_glZ
K:
kj
minmax
i
ii
M
MM
K
−
= . (3)
A^_kv
kjminmax
iii
M,M,M
–khhl\_lkl\_ggh fZdkbfZevgh_ fbgb
fZevgh_bkj_^g__agZq_gb_bg^bdZlhjgh]hdjmlys_]hfhf_glZaZjZ[hqbc
pbde^\b]Zl_ey 
                              H[sb_k\_^_gby

    <j_Zevghf^\b]Zl_e_m]eh\Zykdhjhklv\jZs_gbydhe_gqZlh]h\ZeZg_
y\ey_lkyihklhygghc^Z`_gZmklZgh\b\r_fkyj_`bf__]hjZ[hlubdhe_[
e_lky hl pbdeZ d pbdem Wlh h[tykgy_lky baf_g_gb_f \_ebqbgu bg^bdZ
lhjgh]hdjmlys_]hfhf_glZ M i dhlhjuc\k\hxhq_j_^vbaf_gy_lkyba-
aZpbdebq_kdh]hoZjZdl_jZjZ[hqboijhp_kkh\^\b]Zl_ey
    Ijb g_jZ\ghf_jghf \jZs_gbb dhe_gqZlh]h \ZeZ mkeh\b_ jZ\gh\_kby
ijbeh`_gguodg_fmfhf_glh\\ujZ`Z_lkymjZ\g_gb_f
                                                   dϖ
                              M i = M khij + J o      ,                    (1)
                                                   dt
]^_ M khij - kmffZjguc fhf_gl khijhlb\e_gby mqblu\Zxsbc f_oZgbq_
kdb_ihl_jb\^\b]Zl_e_bkhijhlb\e_gb_^\b`_gbxZ\lhfh[beybebljZd
lhjZ
      -R    - fhf_gl bg_jpbb \k_o \jZsZxsboky fZkk ^\b]Zl_ey ijb\_
^_gguodhkbdhe_gqZlh]h\ZeZ
       Gϖ
          -m]eh\h_mkdhj_gb_dhe_gqZlh]h\ZeZ
       GW
     Bg^bdZlhjgucdjmlysbcfhf_gl 0 L y\ey_lkykmffhcfhf_glh\hlkbe
^Z\e_gby ]Zah\ 0 U  b kbe bg_jpbb \ha\jZlgh-ihklmiZl_evgh ^\b`msboky
fZkk 0 M  >ey hp_gdb jZ\ghf_jghklb baf_g_gby djmlys_]h fhf_glZ bk
ihevamxldhwnnbpb_glg_jZ\ghf_jghklbdjmlys_]hfhf_glZ µ :
                                    M i max − M i min
                               µ=                                          (2)
                                         M i kj

bkl_i_gvg_jZ\ghf_jghklbdjmlys_]hfhf_glZK:
                                    M i max − M i min
                              K=                        .                 (3)
                                         M i kj

     A^_kv M i max , M i min , M i kj – khhl\_lkl\_ggh fZdkbfZevgh_ fbgb
fZevgh_bkj_^g__agZq_gb_bg^bdZlhjgh]hdjmlys_]hfhf_glZaZjZ[hqbc
pbde^\b]Zl_ey
18

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