:
1500-240
Q = 1500 3/ = 0.417 3/
H = 240 ...
P = 15102 = 1500
t = 70 C
n = 2980 /
nS c :
. 1500-240
1 ,
n, . .. :
/
= 985 , (. 1 [1]);
= 31.2 , (. 4);
γ = 9.582 /3 , /3 (. 4);
= 3.9 / , / (. 1);
n > n,
, Q H :
η ... , 0,7.
:
[τ1]K - , 16 /2
:
.
:
:
3/
:
/,
:
,
= 0.152 , nsk = 81.4
:
,
0m .
, α1 = 90, ..
C1 = C1m = τ1 C0m = τ1 C0 = 1.25· 8.696= 10.87 /,
τ1 , 1.175.
( ):
/
β1 :
.
.1.
η :
D , :
:
:
|
|
...
:
/
2m ,
C2m = (0,81,0)C0m =0,9 C0m = 0,9. 8.696= 7.826
nsk, .. β2=20˚.
:
,
:
,
τ2 ;
;
- .