(7.93)
. :
(7.94)
, . , , .. . (7.93) (7.94).
, , , .. , u=nst, du=0, , (7.93) (7.94) , . , w. , .. u≠nst, u2 /2. Qe=0 u=nst (7.92) (7.93) , , , , , . [8]
(7.95)
, (7.92)
cp (t1* t2*) (u 12 u 22)/2 = 0,
, (u=nst, Qe=0) = nst. , u=nst , , . u≠nst, , .. , (u12u22)/2. .
, ρ, , , = , , . * .
, (7.89),
(7.96)
w, , . . (7.95) w= = ,
(7.97)
, . ,
(7.98)
(7.99)
(7.97) = , , :
(7.100)
, , . ,
|
|
(7.101)
(7.102)
, ,
(7.103)
(7.104)
, (. (2.54) (2.55)).
, , (. (2.59), (2.60) (2.61)) , , ρ, . (2.56), (2.57), (2.58), .
, . , .
m = ρ w F
:
(7.105)
(7.106)
, , .
, , , , , , , . , Q=0 =nst, : =nst, =nst, .
, . (7.96).
(7.107)