, . .
(. 7.1), , u. 1, 2, 3 . . , , . ( ) (u1 < u2 < u3 <...), u , .
. 7.1
. , , , , . . S , . , , , , . . d u /dx ( ):
(7.1)
. h , , ( ). ( ).
- ( ). (): 1 = 10 .
, (7.1), . , (7.1), . , .
, , , , . , . , , , , . .
7.2. .
, .
, , , . , ; .
v . 7.2.
r r l (. 7.3, ). pl 2 ,
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(7.2)
, [. (7.1)]
(7.3)
S = 2p rl . , , , : F = F . (7.2) (7.3),
(7.4)
- , du/d r < 0 ( r). (7.4)
:
(7.5)
, (u= 0 r = R), . (7.5) (. . 7.2):
, (r = 0):
, Q , 1 . r d r. (. 7.3, ) dS = 2prdr. , , u. 1
d Q = ud S = u 2prdr/. (7.7)
(7.6) (7.7),
Q, R 1 , (7.8), h , 1 - 2 , l.
(7.8), (1 2) , .
(7.8) . , , 1 , :
(7.9)
, h, l . . , , , (. 7.4, ) (. 7.4, ), :
= 1 + + 3, (7.10)
(7.11)
, , ( 1 - 2)/dl dp/dl,
(7.12)
, , (. 7.5, ). , l: dp/dl = const. Q ( ), [. (7.12)] . . 7.5,
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, . ,
, .