(14.4), - . . ( 15.3), 100 . () , , ( 15.3)
15.3 ,
, 3 | ||||
3-5 | 8-12 | 15-20 | 20 | |
F, 2 l., V., / t., . | 0.3 0.4 10-12 0.2 0.3 40 -50 0.6 1 | 0.5 0.6 16-20 0.3 0.35 55 60 1.2 1.6 0.97-0.93 | 0.65 0.7 23-30 0.35- 0.45 65 70 1.8 2.6 0.9 0.85 | 0.75 0.85 30-35 0.4 0.5 70 75 2.8 3.6 0.8 0.7 |
(3/)
Q = 3600 ./( .). (15.7)
. . . . . .
.................................................................... 2 2.53 3.54
................................................................... 1.151.2 1.251.3 1.31.4
................................................................... 0.951.10 0.850.95 0.750.85
()
= t + t. + t. + t. + n1t. + n2t = l /v + l./v. + l./v. + K.l/v + n1t. +n2t, (15.8) t , ; t. t. , ; t. - , ; t. , ; n1 (n1 = 26); t , ; n2 ; l, l., l., l , , , ; v, v., v. v , , /; . , .
()
l = ..k/(F.K.k) (15.9) . ; . ( -) (. 15.3); F () , 2 (. 15.3); k , ( k =0.7).
|
|
(/)
v = v. . , (15.10) V. , / (. 15.3); . , : . 1.0 . 1.25; , ( 15.4)
15.4
. | , 3 | |||
3--5 | 8--12 | 15--20 | 20 | |
2 2.53 3.5--4 | 0.9 0.75 | 0.93 0.8 | 1.1 0.9 | 1.15 1.05 0.93 |
()
t = t. [1 ], (15/1) t. , (. 15.3); G`c , ; . , ; i , /, .
, .
0.5 2.5 /, 1.3 /; 4,5 2 /. .
10 -20 , V = 0.81.2 /. 2 ; 1.
2 15 3 15 30 .