-5.
1. .
-5:
- , (4.6);
- Vpa min- Vpa max / (7-10);
- , (900);
- , / / N, (3.5-6.0);
- , (6).
2. (1):
Ra= 3.5x4.6=16.1 ().
3. .
-75: Vp - 58.3 /, Pkp, -17.1;
-75: Vp -6 9.0 /, Pkp, -18.2;
-74: Vp -4 8.0 /, Pkp, -17.5
4. (2), η =0.85-0.95:
-75, η =16.1/17.1=0.94
-75, η =16.1/18.2=0.88
-74, η =16.1/17.5=0.92
:
-75+ -5 5 ,Vp =8.3 /;
-75+ -5 6 ,Vp =9.0 /:
-74+ -5 4 ,Vp =8.0 /.
5. (3), τ=0.85:
-75, W1=0.1×4.6×8.3×0.85=3.24 /
-75,W2=0.1×4.6×9.0×0.85=3.51 /
-74,W3=0.1×4.6×8.0×0.85=3.12 /
6. (4):
-75, Gp=15, Q1=(15×0.85)/3.24=3.93 /
-75, Gp=16.5, Q2=(16.5×0.85)/3.51=3.99 /
-74, Gp=15.0, Q3=(15.0×0.85)/3.12=4.0 /
7. (5):
-75, H1=1/3.24=0.3(×/)
-75, H2=1/3.51=0.28(×/)
-74, H3=1/3.12=0.32(×/)
W, Q H , -75 6 , -75, -74.
, -75: - 6 ; 9.0 /, η=0.88, W=3.51 /, Q=3.99 /, H=0.28 ×/.
VII. .
-3.6
1. .
-3.6:
- , (3.6);
- Vpa min- Vpa max / (9-12);
- , (14000;
- , / / N, - (1.2-2.1);
- (// ) ³(453/212).
2. (1):
Ra= 2.1x3.6=7.56 ().
3. .
-40: Vp- 4 9.7 /, Pkp, -8.4.
4. (2), η =0.85-0.95:
-40, η =7.56/8.4=0.9
:
40+ -3.6 - 4 ,Vp= 9.7 /
5. (3), τ=0.85:
-40, W1=0.1×3.6×9.7×0.70=2.44 /
6. (4):
-40, Gp=7.6, Q1=(7.6×0.85)/2.44=2.64 /
7. (5):
-40, H1=1/2.44=0.4(×/)
, -40: - 4 ; 9.7 /, η=0.9, W=2.44 /, Q=2.64 /, H=0.4 ×/.
|
|
|
VIII. .
-6. 50 .
1. -6:
- , (6.1);
- Vmin-Vmax, / (9-12);
- Mm, ;(1700)
- , kH/m/ N, (0.6-08);
- , (2.8-4.8).
2. (1):
Ra=0.7×6.1=4.3 kH.
3.
| -25 | |
| Vp, / | 6 9.4 / |
| P, kH | 4.7 |
4. (2), η =0.85-0.95:
-25, η =4.3/4.7=0.91
:
-25 + -6 6 ,Vp =9.4 /
5. (3), τ=0.85:
-25, W1=0.1×0.85×9.4×6.1=4.87 /
6. (4), τ=0.85:
-25, Gp=4.8, Q1=(4.8×0.85)/4.87=0.84 /
7. (5):
-25, H1=1/4.87=0.21 (×/)
-50, H2=1/3.59=0.28(×/)
, -25: - 6 ; 9.4 /, η=0.91, W=4.87 /, Q=0.84 /, H=0.21 ×/.
I. .
-400
1. .
-400:
- , (5-13.5);
- Vpa min- Vpa max / (6-9);
- , (380);
- , / / N, (14-18);
- , (400).
2. :
Ra=(Mm+M) ×g × f +3.8 × N/ V, - , - , g- , f- f=0.06-0.10, N- , Vp- .
Ra= (0.38+04) × 9.8× 0.1+ 3.8× 18/9=7.67
3. :
-50: Vp - 5 8.1 /, Pkp, -11.5;
-40:Vp -4 9.7 /,Pkp, - 8.4;
-6/: Vp - 6 7.1 /,Pkp, -9.5.
4. (2), η =0.85-0.95:
-50, η =7.67/11.5=0.66
-40, η =7.67/8.4=0.91
-6/, η =7.67/9.5=0.8
-50+-400, 3-6/+ -400 - .
:
40+ -400 4 ,Vp= 9.7 /
5. (3), τ=0.85:
-40, W1=0.1×9.7×13.5×0.80=10.4 /.
6. (4):
-40, Gp=7.6, Q1=(7.6×0.85)/10.4=0.621 /.
7. (5):
-40, H1=1/10.4=0.09(×/).
, -40: - 4 ; 9.7 /, η=0.91, W=10.4 /, Q=0.621 /, H=0.09 ×/.
. .
1. -1500 20/:
- , (5;6;7);
- Vmin-Vmax, / (1.0-11);
|
|
|
- , kH/m/ N, (2.0-3,0/68-85);
- , / N, (13350/162);
- {q} // , ³ (8,0)/(6,0);
2. (12):
Vp 
Vnc= 
=9,6 /
Ra=(Mm+M) ×g × f= (13,35+6×0,80)×9,8×0,1=17,78
Vp Vn= 
=9.3 (13)
Vp Vn=9,6 / Vp Vnc= 9,3
3. (3), τ=0.65:
-1500, W1=0.1×6×9,3×0.65=3,62 /
6. (4):
-1500, Gp=28.4, Q1=(28.4×0.85)/3,62=6,66 /
7. (5):
-1500, H1=2/3,62=0.55(×/)
, -1500: 9,3 /, W=3,62 /, Q=6,66 /, H=0.55 ×/.
XI. .
6 --1500, 20 / 21 . -5320.
1. -5320 Q=8.0 , V=6,0 
, 7080 , Y=0.75-0.80 / , 2.4.
2. (14):
(15)
3. (16):
T=60 
4. (17):
T=84+5+5=84 .
5. (18), 
:
N = 
.
6. (19):
=21 
=0.5.
7. (20):
= 
=0.8.
(21):
= 
.
8. (22):
V= 
/.
9. (23):
= 
.
=21×6/30=4.2 . (24)
10. ..:
) (25):
W= 
21 
=80.64 ( 
) (26):
W= 
( 
) (27):
W= 
=480 ( 
6 -1500 20/, 21 13 5320, 6 .
