:
1) :
= [h+102(-)+∑h+h+∑h+h... ] (5.1)
, =1,2;
h , , 18 27 ;
102 - . .,
, ( , 4), ;
- ( , 1), ;
∑h - ( , 3) [1,.396],
h - , h= 10 - 15 ..
∑h - , [1,.420], ( , 3), h=5÷5,5 . .
h.. - , h..=20-40 ..
2) :
- 1- ( - ) :
H1 = h+h+h, (5.2)
h - , h =5 . ..
(0,5 )
h - 2- , h =15-20 ...(1,5-2 )
h - ,
h = 55÷65 ...;
- , 2- 2 , (5.1).
3) :
- 1- (5.2);
- 2- , , :
H1 = ∑+∑h +h+h, (5.3)
h - , h =5 . ..
(0,5 )
h - 3- , h =15-20 ...(1,5-2 )
∑ , ( 1 1 2)
∑h - , ( );
- , 3- 3 , (5.1).
:
|
|
1) :
Q=+∑ (5.4)
, , /;
∑ / , 5.3 5.
2) :
- 1- :
Q1=+ + + ∑ (5.5)
- , 1,
- , ,
∑ - , ;
- 2- :
Q2= Q1+∑ (5.6)
3) 1- (5.5), 2- 3- - (5.6) , .
, (), , :
1 = -∑h-∑h1-h (5.7)
, ( ):
Q2 = ∑ (5.8)
[5,. 77] 5.1 5, :
- ( 100%)
( 50%) ,
- ( ).
[5,. 87] 5.2 5.
:
110/120 - 130 .
1) (5.1):
= 1.2 [h+102(-)+∑h+h+∑h+h... ]
h , h= 27
, , = 0.59 ,
- , =5,3 ,
∑h - , : 1-0,6 , 2-7 , 3-22.2 , 4-11.4 ;
h - , h = 10 . .,
∑h - , , ∑h = 3 5=15 . .,
h.. - , h..=40 . .
= 1.2 [27+102(0.59-0.0053)+ (0,6+7+22,2+11,4)+10+15+40]=217.46 ..
2) (5.2):
Q=+∑
, :
|
|
= 485 17.5 27.3 16.9 6.6 11.4 22.2 7 0.6 = 375.5 /,
∑ - , : 17.5; 27.3 16.9/,
, , =6.6 9/,
∑ - , : 11.4; 22.2; 7 0.6 /,
Q =375.5 + 11.4 + 22.2 + 7 + 0.6 = 416.7 /
3) 200 220 [ 1, . 78 ]: - 200 3/, - 220 . .
4) .. : 2 3, 3 4 :
Q1 = ; Q1 = 7 /
Q2 = ∑ ; Q2 = 11.4 + 22.2 = 33.6 /
5) , , :
1 = -∑h-∑h1-h
1=217.46 102(0.1 + 0.2) = 177.846 ..
2= 2-∑h-∑h1-h
2=217.46 15 (102 * 0.3) = 166.864 ..
6) :
- 1 20 110 [1, . 77] : - 20 3/, - 110 . .;
- 2 32150 [1, . 77]: - 32 3/, - 150 . .
1. ?
2. 1?
3. ?
4. - ?
5. (1-, 2- 3- ) ?