V - , ;
V - .
:
= 7.35 ; = 4.9 ; = 4.2 .
:
V = * * H =151,263 3
V :
V * (t - t) * Y = 3600 * Q
Q - ();
= 1000 - (/);
Y = 1.2 - (/).
:
t = t.. + ( - 2)t,
t = 1-5 - t 1 ;
t.. = 25 - ;
= 4.2 - ;
t = 18 .
t = 25 + (4.2 - 2) 2 = 29.4
Q = Q.1 + Q.2 + Q.3,
Q. - .
Q.1 = * ,
- ( =0.55 );
- , = 40 * 15 = 600 .
Q.1 = 0.55 * 600=330
Q.2 - ,
2 = * * *
m - , m = 4;
S - , S = 2.3 * 2 = 4.62;
k - , .
k = 0.6;
Qc = 127 / - .
Q.2 = 4.6 * 4 * 0.6 * 127 = 1402
Q.3 -
Q.3 = n * q,
q = 80 /., n - , , n = 15
Q.3 = 15 * 80 = 1200
Q = 330 +1402 + 1200 = 2932
:
V 3
, .. ( , , ) .
:
1. , , ;
2. 1.5 ;
3. .
:
,
- , ;
R - , /;
l - , ;
V - , (V = 3 /);
- , ( = 1.2 /).
:
-0.45 , - R=0.24 /.
(x=1.2), (x=1.4) (x=2.2). , :
|
|
x = 1.2 +1.4 + 2.2 = 4.8
10 %- : = 110% * 26.28 = 28.01 , V = 110% *1442 = 1586.2 /
4: - 1600, - 40 , - 65%, - 960 /, - 400 , - 0.032 .
_________________
* - . , , . .
4. . : , , .