( )
( )
ѻ
( )
:
1
107
..
2011
:
,
1.1.
1.2.
1.3.
1.4.
1.5.
1.6.
1.7.
1.8.
59
2.1. , 50
2.2. , = 1,5
2.3. : 4 /, 45 , 20 , 20 , ,
2.4. 1
2.5. 1
2.6. 180
2.7. 70 %
1 =0,04
Q = 50 2 =0,048
h = 1,5 3 =0,8
V = 4 / 4 =2
a = 45 5 =0,23
t = 20 6 =1
t =20 7.1 =1
- 7.2 =1
N = 1 d = 1,22 /3
= 1 φ = 45
n = 180 . U = 24 /
- 70 % = 0,133
4.1. (Q 1)
Q 1 = 1 3 5 7.1 Q,
,
Q 1 =0,04*0,8*0,23*1*50 = 0,368
4.2.
Q 2 = (1 1) 2 3 4 5 6 7.2 (Q / h x d),
6
= (h x d) / (2 4 7.2), =(1,5*1,22)/(0,048*0,23*1)= 19,06 6 = N 0,8 N < T2; 6 = 0,8 N ³ 3; 6 = 1 < 1
6 = N 0,8 = 1
,
Q 2 = (1-0,04)*0,048*0,8*2*0,23*1*(50/1,22) = 0,68
|
|
4.3.
(1) (2) Q 1 Q 2 V (/).
4.3.1. (1)
1 = min 1 + (( 1 min 1) / (Qmax 1 Qmin 1)) (Q 1 Qmin 1),
,
1 = 0,59+((1,33-0,59)/(0,5-0,1))*(0,368-0,1) = 1,09
4.3.2. (2)
2 = min 2 + (( 2 min 2) / (Qmax 2 Qmin 2)) (Q 2 Qmin 2),
,
2 = 1,33+((1,88-1,33)/(1-0,5))*(0,68-0,5) = 1,52
4.3.3. ()
= I + (0,5 II),
I 1 2,
II 1 2,
= 1,52+(05*1,09) = 2,06
4.3.4. ()
= N x U,
N , ,
U (/) (/)
,
= 1*24 = 24
4.3.5. ()
() ()
= 1,5
, 1,5
4.4.
4.4.1.
S = 8,72 10 3 2 φ, 2
S = 8,72 *103 * 2,25*45 = 8,82 2
|
44
-50.
: 1 = 0,5
. 1.
4.4.2. (S )
S = 2 N 0,2,
,
S = 1,33*2,25*1 = 2,99 2
4.5.
(, ), (U, /)
t = / U,
,
t = 1/24 = 0,04 = 2,4
4.6.
()
. 4.2. 19,06
4.7. ()
= n x q,
,
= (180 *18)/100 = 32
. 9, .
: 0,25 =32*0,25=8
|
|
0,4 = 32*0,4= 13
0,35 =32*0,35=11
- 50 .
- 2,4 , .
- 19,06 , .
- 32 , 11 , 13 , 8 , .
______________
..
14.12.2011
45
t - 20
t -20