.


:




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, , .

, 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 .

 

 

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.260205.005. 014  
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5.
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.

(), :

S = = = 615,8 .

Q = 1147 ;

β1 = 1,02 ;

η = 0,95 ;

k = 2 .

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.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 .

: 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  

 

5.1

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: 2016-07-29; !; : 2062 |


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