充..3
...4
1. .5
1.1 ..9
1.2 ....10
1.3 ...11
1.4 ...13
..15
, ; () .
, .
:
;
;
.
.
_19__
___-240____
Ne ; ______50______
n ___________2000_____
ε____________15______
i ____________4_______
-240 |
Pr =0,108, |
Tr = 825, |
Pa =, |
α = 1,55 |
ξ = 0,76 |
n2 = 1,2 |
0 =0,1033, |
0 = 288, |
1.
, , .
)
, :
=ɳh(ε-1)`+r/ε, (1)
=0,84(15-1)0,1033300+0,108288/15288=0,09 .
` = + ∆, (2)
` =288+12=300 .
∆ - ,
10-400.
=ε/ɳh(ε-1)/+r/r, (3)
=0,0915/0,840,1033(15-1)/288+0,108/825=321 .
)
() () :
= εn1 (4)
=0,09151,35 =3,48
= εn1-1 (5)
=321151,35-1 =828
n1 , , , , , .
|
|
n1
n1 =1.41-100/n (6)
n1 =1.41-100/2000=1.36
)
1 :
l=1/0,23(8/3+8/1-), (7)
l=1/0,23(8/30,87+8/10,126-0,004)=14,4.
:
Lo=lo/28.96, (8)
Lo=14.4/28.96=0.49
0,23 1 ; (28,9 ).
, - 1 ():
1= αLo, (9)
1=1,550,49=0,76
:
Yr=PrTo/PoTr(ε-1)ɳh (10)
Yr=0.108288/8250,1033(15-1)0,84=0,031
:
Mr= Yr M1 (11)
Mr=0.0310,76=0,024
,
():
Mc= M1+ Mr, (12)
=0,76+0,024=0,78
():
2= 1+ 2/4 + 2/32+0,21Lo(1- α), (13)
2= 0,76+0,126/4+0,004/32=0,79
():
Mz= 2+ r, (14)
Mz= 0,79+0,024 =0,82
:
=z/Mc (15)
=0.82/0.78=1.05
( )
Cvc = 20,76+ 1,7410-3c, / (16)
Cvc = 20,76+1,7410-3828 =35,2 /.
:
Cpz = (8,32 + (20,112+ 0,922/α) + (13,83/α+ 15,55)10-4. Tz, . (17)
Tz , :
(vc+8,32ƛ)+ξHu103/ 1(1+Yr)= Cpz Tz (18)
Cpz Tz, Cpz , Tz. Tz:
z 2+z+=0 (19)
:
z (20)
: = 0,87; = 0,126; = 0,004 u = 42437 /.
Cpz = (8,32 +(20,112+ 0,922/1,55)+(13,83/1,55+15,55)10-41029=54,1, .
():
z=ƛ (21)
z=1,63,48=5,7 ) . () () : =z.𝛅n2, (22) =z/𝛅n2-1, (23) ε/ρ = 𝛅 , ρ- : ρ= 1,2 1,7. 𝛅=15/1,5=10. =5,7/101,2=0,36 =1029/100,2=651 1.1 : i`=(/(ε-1))(ƛ(ρ-1)+ƛρ/n2-1(1-1/𝛅n2-1)-1/n-1(1-1/εn1-1)), (24) i`=(3,48/15-1)(1,6(15-1)+1,61,5/1,2-1(1-1/101,2-1)(1-1/151,36-1))=0,89 : i=vi`-(r-Pa), (25) i=0,930,89-(0,108-0,09)=0,81 v 0,920,95. =iɳ, (26) =0,810,75=0,6 Ni =Pi Vh z n /120 (27) Ni =0.811,1842000 /120 =63,7 Vh , ; z ; n , -1. ɳi=αloPi/Huɳvρ (28) ɳi=1,5514,40,81/42,50,851,189=0,42 : ɳ=ɳi ɳm (29) ɳe=0,420,75=0,32 1.2 : =i ɳm, (30) =0,810,75=0,6 : ge=3600/Hu ɳe, /. (31) ge=3600/42,50,32=264 /. GT=ge Ne/1000, / (32) GT=26450/1000=13,2 / |
|
|
, , :
Q = Qe + Qr + Q + Q, / (33)
Q , ;
Q , Qe=Q ɳ;
Q , , :
Q= GT Hu/3600, / (34)
Q=13,242437/3600=155,6 /
Qe=155,60,32=49,9 /
Qr=G/3600(2prTr`-1), / (35)
pr=8,32+(20,112+(0,922/α)+(13,83/α)+15,5)10-4r`, / (36)
() r` = (0,90 0,92) Tr -
Tr`=0,90825=742
pr=8,32+(20,112+(0,922/1,55)+(13,83/1,55)+15,5)10-4742=41,8 /
=8,32+(20,76+1,7410-3), / (37)
=8,32+(20,76+1,7410-3288=34 /
Qr=13.2/3600(0,7941,8742-0,7634288)=61,4 /
Q Q = 0,1Q.
Q=0,1155,6=15,56 /
Q ,
Q=Q - (Qe+Qr+Q), / (38)
Q=155,6-(49,9+61,4+15,56)=28,8 /
q=100%;
qe=Qe/Q100; (39)
q=49,9/155,6100=32
qr=Qr/Q100; (40)
qr=61,4/155,6100=39,1
q=Q/Qr100; (41)
q=28,8/155,6100=18,5
V =30τ Ne /(Pe n), (42)
V =30450/(0,632000) =4,7
Vh =V / z, (43)
Vh =4,7 /4 =1,2
D=2 103 , (44)
D=2 103 =110
τ- , z- , Vh ,
S- .
.
-
F = π D2 /(4 100), 2 (45)
F = 3,141102 /(4100) =94,9 2
-
V = π D2 S z / (4 106), (46)
V = 3,1411021254 / (4106) =1,89 .
-
Ne =Pe V n /30τ, (47)
Ne =0,631,892000 /304 =19,8 .
-
N = Ne / V , / (48)
N = 19,8 /1,89 =10,4 /.
-
Me = 9554 Ne /n, (49)
Me = 955419,8 /2000 =94,5 .
-
G = Ne ge10-3, / (50)
G = 19,821210-3 =41,9 /.