, .
, , . - , , , h. = f (Q, n), - , h = f (Ne, P., t.).
-10 . 5. 14., 370-18-1 5.2:
n = n0 , (5.23)
n0 n - ; Q. .
(. 5.14) 3250 250 ./. .
, , , nmin £ n £ nmax. [16].
. 5.14 , 3-6 % h. = f (Q.), .
e, Q n, h. = max, (. 5. 14) .
, [14]:
D = 1,1Dh. (5. 24)
, h. = max. (5.24) , 1% 1,1%.
, h. = max. .
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( ) h. = max. [16]:
(5.25)
. :
Q2 = Q1 (5.26)
, :
(5.27)
(5.28)
h - .
(5.25).
, 370-18-1 . 5.15.
. , , h. = max.
, , ( ):
(5.29)
(5.30)
r.,i - .
(5.29).
, N, = Ni,. + N., N. .
:
; (5.31)
(5.2 5.25-5.31) . 5.16.
, .
[6]:
Ne,. = 1 4,2 (1- , .) ,. (5.32)
, , .
, .
:
, . = 1 0,165 (1 N,. .) (5.33)
(5.32) (5.33) , .
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5.3. -10-4 370-18-1, ( , , , , ). : 1 = 5,3 , 2 = 6,3 , t1 = 19,9 0C, t2 = 38,7 0C; , n = 4650 /. t3 = 770 0C, t.= 10 0. . = 0,1 Q = 33500 /3. r = 0,97. R = 490 /. z = 0,94.
. : , . , .
:
tm = (t1 + t2)/2 = (19,9 +38,7)/2 = 29,3 0C,
Pm = (P1 + P2)/2 =(5,3 + 6,8)/2 = 5,8 .
[ ], pm = 2,17 /0.
, , (, P,t), -, .
CpDh, [ ]:
(CpDh)m = (1,37-0,37r.)[(0,00012t22 -0,0135t2 +0,31)Pm-0,0463t2+11,19]=