3
. | ( , ) | ||||||||||
2 | 7 | 62 | 21 | 3 | 210 | 2116 | 270 | 70 | 225 | ||
- ( , ) | |||||||||||
54,8 | 39,7 | ||||||||||
(, , ) | 19,2 | 8,9 | |||||||||
(, , ) | 15,9 | ||||||||||
( ) | 38,2 | ||||||||||
( , , , ) | 94,2 |
, , , | 296,0 | 483,4 | |||||||||
( , . , , ) | 8,7 | 15,2 | |||||||||
(, , ) | 71,2 | ||||||||||
979,7 | |||||||||||
() | 464,0 | ||||||||||
4
/ | , | 2 | 7 | 62 | 3 | 21 | 210 | 2116 | 270 | 70 | 780 |
( ) | |||||||||||
( ) | |||||||||||
( ) | 2400+2200 | 2300+2000 | |||||||||
- | |||||||||||
- , | 8,0 | 8,45 | 8,45 | 3,5 | 7,8 | 7,6 | 9,0 | 10,6 | 10,6 | ||
, | 2,6 | 2,8 | 12,8 | 3,5 | 2,0 | 12,4 | 16,0 | 6,7 | 16,7 | 16,5 |
:
|
|
Mi = Gi ⋅ li, ⋅ ,
Gi , , i = 1..9;
li ( , ,
i = 1..9).
5.
5
Gi, | li, | Gi· li, · | ||
ΣGi | X | ΣGi · li |
:
∑ Gi ⋅ li
X =
∑ Gi.
, a1 a2 ( ).
a1 a2 , :
|
P =
|
|
P 1 = ∑ Gi − PT2.
(3 %), ,
. 3 %, - .
. , , .
|
|
, , Gi. ,
() , .
(7),
() . 2.
, . 6. , , .
6
/ | , | , | , | , ͷ | |
- | G | 8,45 | 1799,85 | ||
G | 39,7 | 2,8 | 111,16 | ||
G | 8,9 | 8,4 | 74,76 | ||
G | 15,9 | 10,8 | 171,72 | ||
G | 38,2 | 12,0 | 458,3 | ||
G | 94,2 | 16,8 | 1582,56 | ||
G | 483,4 | 10,8 | 5220,72 | ||
G | 15,2 | 10,8 | 164,16 | ||
G | 71,2 | 10,8 | 768,96 | ||
G | 979,7 | 10,56 | |||
G 2 | |||||
G | 1765,7 |
. 2
5, - 6. , , . , , .
.
X
= 10330 = 10,54
979,7 .
,
(l = 10,75
).
, ( ) -. , -, :
(∑ Gili)− G l + G l ′ = (∑ Gil).
, - :
∆ = (l ′ − l) =
(∑ Gi) l − (
G
∑ Gi li)
,
∑ G
;
i = 979,7 (. );
Lo = 10,75
(∑ Gili)= 10330 ⋅
(. );
G = 213
- ;
l = 8,45
-,
;
l ′ -
, .
|
|
,
∆ = 979,7 ⋅ 10,75 − 10354 = 0,83
213.
, , - 0,83 .
.
-:
l ′ = l + ∆ = 8,45 + 0,83 = 9,28 .
-:
G ⋅ l ′ = 213 ⋅ 9,28 = 1976 ⋅ .
- :
10354 1799,85 + 213⋅ 9,28 = 10530 ⋅.
Ζ - 0,83 :
X ′
Gi li 10530
|
∑ Gi
979,7
.
Ζ, .
.
. = 393 . ,
P Σ= G + P × 2 = 979,7 + 786 = 1765,7 ,
G = 979,7
, . 6).
(.
:
1765,7
2 =882,85 .
:
= P4 + 4
= 1765,7 = 220,7
8.
, , .
3.
, , , .
p , ( ), pi , . .
P
P = Pi ⋅η ,
Pe
|
,
Pe , Pe ;
η .
, (, , , .) 0,78 0,9.
C, /, , . 7 10 / ( C , ).
= 2S ⋅ n,
S , ;
n , 1/.
B, /
B = b ⋅ P ,
b , 1 ,
|
|
/(. ).
. :
0,218 0,231 /(.)
0,204 0,225 /(.).
η ,
, ,
,
η= 3600 ⋅ P
3600
η =
b
H,
H = 42500 / ( , 1 ).
η i.
η = η i η
.
η 0,8 0,9.
3 -
, ( ) : , , p ( ).
pe =
Pe ⋅τ
3
2 ⋅ 10
Vh ⋅ i ⋅ n,
τ ;
i ;
n , -1;
d2
π
Vh =
⋅ S 4
, 3,
d, S , . ,
pepi = η
.
q, /
b ⋅ P ×τ
q = e 2 ⋅ 3600 ⋅ n ⋅ i.
p ( )
6
η V 10
p ⋅ Vh
|
8314 T,
8314 ⋅ α ⋅ L ⋅ q
= 0
|
⋅ Vh
ηV . 0,85 4- 0,8 2-;
α . α = 1,95;
L0 1 ,
/; L0 = 0,495 /;
T , ;
T = 60 + 273 = 333 .
. 7 Pe= 4500 , - 2206 ,
Pe
= Pe = 2250 2
.
Pe 2250
Pi = = = 2647
η 0,85
.
3600⋅ P
|
H ⋅ B
= 3600 ⋅ 2250 = 0,442500 ⋅ 0,211⋅ 2250.
|
η
= 0,4
0,85
= 0,47
.
2 2
π d π ⋅ 0,26
V = ⋅ S =
⋅ 0,26 = 0,013797
h 4 4
3.
Pe = 2250
Pe ⋅τ
|
2250 ⋅ 4
1,223
2 ⋅ 103Vh
⋅ i ⋅ n
=
2 ⋅ 103 ⋅ π
⋅ 0,26 2
4
=
⋅ 0,26 ⋅ 16 ⋅ 16,66
,
Pe = 2206
|
2
2 ⋅ 103 ⋅ π ⋅ 0,26
4
⋅ 0,26 ⋅ 16 ⋅ 16,66
.
Pe = 2250
q = 0,211 ⋅ 2250 ⋅ 4 = 0,00099
2 ⋅ 3600 ⋅ 16,66 ⋅ 16
/,
Pe = 2206
q = 0,211 ⋅ 2206 ⋅ 4 = 0,00097
2 ⋅ 3600 ⋅ 16,66 ⋅ 16
/.
Pe = 2206
p =
8314 ⋅ T ⋅α ⋅ L0 ⋅ q
106 ⋅η V ⋅ Vh
= 8314 ⋅ 333 ⋅ 1,95 ⋅ 0,495 ⋅ 0,00097 106 ⋅ 0,85 ⋅ 0,013797
= 0,2219
,
Pe = 2250
p = 8314 ⋅ 333 ⋅ 1,95 ⋅ 0,495 ⋅ 0,00099 = 0,2256
106 ⋅ 0,85 ⋅ 0,013797
.
∆ p = 0,2256 − 0,221 = 0,0046
.
, Pe = 2206 Pe = 2250 0,0046 0,00002 /.
|
|
, , . . , . . . , , , . ,
, . , , , .
.
Q = G ⋅ ⋅ ∆ t;
Q = G ⋅ ⋅ ∆ τ;
Q = Z ⋅ F ⋅ K ⋅ ∆ t,
Q , , ;
G ( , ), 3/;
G ( , ), 3/;
C,C , / ⋅ ; K , /2 ⋅ ⋅ ;
∆ t ;
∆τ
;
∆ t
;
F , 2; Z .
, Q, Q, Q.
, . . . (. 3).
, 1
Q = be ⋅ Pe ⋅ Hu
/.
3600 ( 1 ),
Q = be ⋅ Pe ⋅ Hu 3600
/.
,
q
Q =
100
⋅ Q
/.
,
Q =
q 100
⋅ Q
/.
, ,
q
Q =
100
⋅ Q
/.
q, q, q , , . 7.
. 3
7
, % | ||||||||
1 | 2-649 | 2-249 | 10100 | 1440 | 1-549 | 2549 | 6S310DR | |
qb | 22,5 | 15,5 | 11,5 | 18,2 | 14,0 | 22,5 | ||
q | 3,5 | 8,2 | 10,0 | 9,7 | 7,8 | 6,5 | 3,5 | |
q | 2,5 | 8,7 | 8,0 | 6,3 | 7,5 | 2,5 |
. 4. .
. 4. , , : 1- ; 2 ;