. .-, - , .
- , .
. - . . - . . . . . . . . .
. K: - 2..5.
η=85-92%,
(. 2.79) 1= f(i); 2 = f(i);η = M2n2/(M1n1) = f(i) n1 = const. , 2 = f(i), . K= 2/ 1= f(i). υ2P Q. υ2 υu2H , . . . n2 . 2 , n2 υ2T. , υu2T, , , . . . 2 1. (. . 2.79), | 2 | > |1 | > 1, 3 . 2 2, υu2T 2 . , . . 3.
. .
- 1, 2 3.
. . - . . - . () () , (), , . . . . . . - - . . - . .
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.