(7.108)
(7.109)
(7.96) (7.107) :
(7.110)
(7.111)
(7.112)
(7.113)
(7.89) 2
(7.114)
(7.115)
:
(7.116)
, , ρ , :
(7.117)
(7.118)
w , .
ρwF=nst,
dρ/ρ :
, d/dρ=2. d/ρ (7.94),
,
udu / 2 wdw / 2+ dw / w + dF / F = 0,
(7.119)
, , . , .. u=nst, (7.119) , , . , .
, , u. (7.119) =1, ,
u=nst dF=0, .. . d(u2/2)>0 dF<0, , , d(u2/2)<0 , dF>0 (. 166). :
1. .
2. .
3. .
[1] . .pdf
[2] , : , .
[3] . .pdf
[4] , , . . , , . .
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[5] ., .: ... , , 1950.
[6] , .
[7] , , , , , , (3.45) , .
[8] *.