, , .
, 100 ˝˝.
, .
:
F = 1,133*Pe,
()
F = 1,133*220 = 249,3
:
l = 160+0,035*Nc,
l = 160+0,035*295 = 170 .
, :
R = 0,59*Nc
R = 0,59*295 = 174,1 .
, , , :
F0 = k*F
k = 5
F0 = 5*249,3= 1246,5 .
. |
. |
.260205.005. 014 |
. |
. |
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. . |
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5. |
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.
(), :
S = = = 615,8 .
Q = 1147 ;
β1 = 1,02 ;
η = 0,95 ;
k = 2 .
. |
. |
.260205.015. 014 |
= s*n = 615,8*6 = 3696 .
n = 6 , .
():
D = e*d = 20*0,03 = 0,6 .
: e = 20 .
d = 30 = 0,03 . .
():
t = β*d = 1,1*0,6 = 0,66 .
: β = 1,1 , .
():
L = Lp + L = 75+288 = 363 .
: Lp = 75 . ;
L = Z*π(D + d) = 3*3,14(0,6+30) = 288 . ();
Z = 3 .
():
L = (2,0÷2,5)*D = 1,2÷1,5 .
():
D1 = D + d = 0,6 + 0,03 = 0,603 .
(/):
n = = = 0,12 /.
: V = 0,23 / .
():
D = D + 3d = 0,6+3*0,03 = 3,63 .
(/):
V = V = 0,23 = 1,4 /.
():
N = = = 1 = 1000 .
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: η ;
η = η * η2 * η = 0,98*0,962*0,95 = 0,86
η = 0,98 , ;
= 1 ;
η = 0,96 .
η = 0,95 , , .
:
ί = = = 26,3
: η = 25 / (/).
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.260205.015. 014 |
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