Динамика двигателей внутренннего сгорания. Панов В.В - 29 стр.

UptoLike

29
M
)cc(
i
+
=ν ,
]^_
k
-`_kldhklvijb\h^ZdeZiZgZ
i
k -`_kldhklvdeZiZgguoijm`bgM
fZkkZ^_lZe_cf_oZgbafZmqZkl\mxsbo\dhe_[Zgbb
Ih^ `_kldhklvx ijb\h^Z deZiZgZ ihgb
fZxl hlghr_gb_ kbeu gZ]jm`Zxs_c f_oZ
gbaf d \_ebqbg_ ^_nhjfZpbb ijb\h^Z @_kl
dhklv f_oZgbafZ ijb\_^_ggZy d hkb deZiZgZ
hij_^_ey_lkyihnhjfme_
)
11
(
)1(11
\rodhj
2
2
kc
i
c
i
kk
++
+
+= ,
]^_
dhj
k
- `_kldhklv dhjhfukeZ
h
k
- `_kldhklv
hkbdhjhfukeZ
r
k -`_kldhklvrlZg]blhedZl_
ey
\
k
-
`_kldhklv ijhe_lZ jZkij_^_ebl_evgh]h
\ZeZ
i
- i_j_^Zlhqgh_ hlghr_gb_
dhjhfukeZ
@_kldhklv ijb\h^Z deZiZgZ hi
j_^_ey_lky ijb klZlbq_kdhf gZ]jm`_
gbbihko_f_ihdZaZghcgZ jbk
Ijb gZ]jm`_gbb f_oZgbafZ
kbehcPhij_^_eyxlky^_nhjfZpbbk
ihfhsvx bg^bdZlhjh\ qZkh\h]h lb
iZkp_ghc^_e_gbyff
1
l -
h[
sZy ^_nhjfZpby
2
l
-
^_nhjfZpby
hkb dhjhfukeZ kh klhcdhc
3
l
-
^_
nhjfZpby rlZg]b lhedZl_ey b jZk
ij_^_ebl_evgh]h \ZeZ
4
l -
^_nhj
fZpbyijh]b[ jZkij_^_ebl_ev-
gh]h\ZeZi_j_^Zlhqgh_hlghr_gb_juqZ]Zbg^bdZlhjZ
4
l jZ\ghGZjbk
ijb\_^_ggu_dhkbdeZiZgZ^_nhjfZpbb^_lZe_cf_oZgbafZ
:
-
dhjhfukeZ
ililll
32
dhj
)1(
1
+= ;
Jbk
Jbk
                                    ( c + ci )
                                 ν=            ,
                                        M
]^_ k -`_kldhklvijb\h^ZdeZiZgZ ki -`_kldhklvdeZiZgguoijm`bgM –
fZkkZ^_lZe_cf_oZgbafZmqZkl\mxsbo\dhe_[Zgbb
    Ih^ `_kldhklvx ijb\h^Z deZiZgZ ihgb
fZxl hlghr_gb_ kbeu gZ]jm`Zxs_c f_oZ
gbaf d \_ebqbg_ ^_nhjfZpbb ijb\h^Z @_kl
dhklv f_oZgbafZ ijb\_^_ggZy d hkb deZiZgZ
hij_^_ey_lkyihnhjfme_
          1   1    (i + 1) 2         1  1
            =    +           + i2 (    + ),
          k kdhj      co            cr k\
]^_ kdhj - `_kldhklv dhjhfukeZ kh - `_kldhklv
hkbdhjhfukeZ kr -`_kldhklvrlZg]blhedZl_
ey k\ - `_kldhklv ijhe_lZ jZkij_^_ebl_evgh]h          Jbk
\ZeZ i - i_j_^Zlhqgh_ hlghr_gb_
dhjhfukeZ
      @_kldhklv ijb\h^Z deZiZgZ hi
j_^_ey_lky ijb klZlbq_kdhf gZ]jm`_
gbbihko_f_ihdZaZghcgZ jbk
      Ijb gZ]jm`_gbb f_oZgbafZ
kbehcPhij_^_eyxlky^_nhjfZpbbk
ihfhsvx bg^bdZlhjh\ qZkh\h]h lb
iZkp_ghc^_e_gbyff ∆l1 -h[
sZy ^_nhjfZpby ∆l 2 - ^_nhjfZpby
hkb dhjhfukeZ kh klhcdhc ∆l 3 - ^_
nhjfZpby rlZg]b lhedZl_ey b jZk
ij_^_ebl_evgh]h \ZeZ ∆l 4 - ^_nhj
fZpby ijh]b[  jZkij_^_ebl_ev-                      Jbk

gh]h\ZeZ i_j_^Zlhqgh_hlghr_gb_juqZ]Zbg^bdZlhjZ l 4 jZ\gh GZjbk
ijb\_^_ggu_dhkbdeZiZgZ^_nhjfZpbb^_lZe_cf_oZgbafZ:
-dhjhfukeZ
                      ∆ldhj = ∆l1 − ∆l2 (i + 1) − ∆l3i ;
                                                                         29