(7.5) , .
. () (7.5),
(u >0); (7.9)
, (u =0).
, . (7.8) :
, .
u =0, dp/dr£g. (7.10)
(rc)=c; (R)=, (7.10)
(7.11)
(7.12)
(7.11), (7.12) , . (7.11) , g . Q0, (7.11), ( ), . (7.12), ( ). , . . Q(D) - , , , gR (. 7.3).
, . . , (7.12), , . , (. 7.3b).
. . , (7.5) .
(7.13)
k .
(7.13) . (7.13) , . , , ( ) g, - .
, (7.13)
|
|
. (7.14)
, . . , , , . , (t) . .