Lq :
(8.7) |
:
- , ;
- , (t t), /;
- , , ;
- , .
- , , /3 ( t).
:
= Q Q , | (8.8) |
Q , ;
Q , .
( ) , ..
Q = Q + Q , | (8.9) |
Q , ;
Q . .
.
Q = ∑ Q = Q,
= Q + Q - ∑ Q | (8.10) |
.. , :
= q n , | (8.11) |
q =130 / ( t = 18 );
n 4 2 1 . , .
≈ 1,0 /( )
, (), ρ = 1,2 /3.
, t , . t = t.
t , . t =t (510) , t = 18 - 8 = 10 .
L :
(8.12) |
D1 = 210 / , ( );
d , / , Id t = 18 ;
d , / , Id t = 5 φ . φ =70%.
2 L :
(8.13) |
G1 =70 / , ( );
- b 2 , /;
- b 2 , /.
|
|
9. 2.4 L :
(8.14) |
L , 3/.
L Lq =3732 3/, L =640 3/, L =4600 3/ .. L = L =4600 3/.
9.2.5 L :
L = L / , | (8.15) |
= t + 273.
9.2.6 Q ( ) :
(8.16) |
ρ ( t = 10 ρ =1,24 /3);
- t .
9.2.7 :
(8.17) | |
(8.18) |
: , - , - .