, , (10 ) , ( , 13-14% ) . , , , .
, , . ... T, S- , .
(. 28.6) . : 3 5 . 6 . . p1 p2 , . 2 3, p2. ϳ 4 pc = const.
. 28.6 5, .
(. 28.7) , v-, T, S - h, S - .
.1 , . 2 - . .2'- , 1-2' - , , 1- d-2 - , c-d. '2 2. ... 2-3%. ... . , , .
ʳ q1, , q'1 q'2, : q'1 = h1 h5 ; q''1= hd hc
q1 = q'1 + q''1 =(h1 h5) + (hd hc), (28.4)
.28.7
, 2-3, q2 = h2 h3, (28.5)
г q1 q2 , :
ℓ = q1 q2 = [(h1 h5) + (hd hc) - (h2 h5)], (28.6)
|
|
q1 q2 = (h1 hc) + (hd h2) = h1 h2
h1 h2 - .
... :
, (28.7)
... :
, (28.8)
1 : ; , (28.9)
d .
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