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.
: : 1501 . -.
:. -.
, 2013
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2
1. .................................................................................................. .......................32. ....................................................6
3. ...............74. ................................174.1 .........204.2 ................................................................224.3 ........................................................................244.4 ..................................................................................254.5 ...........................................................................26
4.6 ......................................................................264.7 .......................................................27
5. CF TURBO ........................................................................29
6. ............................................................................................397.
CF Turbo................................................................................418. .......................................................................................................42
8.1 ...................................448.2 ...............................................................................448.3 ........................................................................45
9. ................................................................................. .................................4810. ...........................................................................................48
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3
1.
, .
, , .
. , , . , :
- -
- -
, , , . .
:
) , :
- ()
- -
-
) :
-
) :
-
-
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4
) :
-
-
-
) :
-
-
) , :
-
-
-
-
-
) :
-
-
-
-
, , . . , .
1 . ( ) (1). ( ) ( ) . , . .
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5
. . . (2) . () (4) . (3), , .
1.1
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6
2.
, : Q[m
3/s] [m]; [mVS].
, . , . 1000, 1500 3000 [vr/min], 3% 970, 1450, 2900 [vr/min]. , 1000 1500.
, -
. , 1500 [min-1], 3000 [min-1] . .
, , , , .
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7
3.
, Q [m3/s], H[m] n [min-1],
:
= 3.13
n [vrt/min]
H [m]
Q [m3/s]
, . , :, - ( ) - .
, , , .
, . . :
=
-
, , :
=
:
=1
1 + 0,68
() () .
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8
h , :
= 1 ( , . )
.
D0,pr,
mm :
, = (4 4,5)10 [ ]
, :
- -
:
=1000
[ ]
:
[ ]
[ ]
H [mVS]
Q1[m3/s] - ;
= ;
:
= (0.96 0.98)1
1 +;
=
. :
=1
1 +,
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9
, , . ms=0,960,98
, :
= (1.1 1.2) [ ]
dvr ,
= (300 500)10 [ / ]. :
=16
:
= 10 [ ]
=30
3.1 , , .
3.1 -
D0 , ( ). :
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10
=4
:
= 4 +
- ;
c0 :
= (0.06 0.08) ;
c0,
, :
- n=1500 min-1 , :
= (0.02 0.08) [ / ]
- 200 l/s 1000min-1 :
= (0.02 0.05) [ / ]
- 3000 min-1 100 l/s
= (0.02 0.04) [ / ]
- 100 l/s 3000min-1 :
= (0.03 0.06) [ / ]
, :
= (1.3 2.5)
365
[ / ]
HmVS.
= 14 36 . , , , .
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11
b1 , , c 1m c0( ). D1 :
= (0.58 0.72)
c1m D1 :
=
3.2,
. ( ) , :
7200
60
:
= (0,5 1,0) .
D2 , :
3.2 - .
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12
=
. . Ri Re
.
, , , .
:
s
=
. 5%.
, .
, , , . , (cm=const), ,
, . . 3.3 .
3.3 -
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13
, , .
, , . .
, . . = 1,15 1,35
= 1,05 1,20 : =
= .
8 , .
,
, .. = , :
= + 1 +
= ,
3.4 -
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14
=
- 5 6 .
, z .
, () ( ), :
= +1
+
.
:
=
:
1,2 1,5 = 200 70
1,5 2,1 = 70 40
< 80, .
, , k :
=1
1 +( )
: = (0,55 0,68) + 0,6 -
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15
80, . :
=1
1 +
= -
k, :
=2 2
+
=2
= =30
:
= [ ]
: =
, , ( ) . ,
3.5 -
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16
( ) .
( 9), ( ), , ,
, :
= ; = ;
.
:
=1
1
=1
1
=2
=2
( ) , . , :
=
:
=
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17
3.6 -
, . 30 80 (150), :
= + 3 8 (15 ).
180.
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18
4.
, ( )
, .
, () .. . , . , .
( ) , :
- ;
- , () ;
- , .
, , , , .
, :
- ( )-
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19
4.1 -
() ( ) . , ( )
( ). .
, , , 10% 20%. , ( ), .
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. :
- () ,
- ,
- ().
() , , , .
:
-
()- ( ) ,
. , .
, , ( , ).
, :
- (1)- (2)- (3)- (4)
4.2
.
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( ,
, .
., ,
. ,
. ()
4.2
1.
2.
3.
4.
.
).
.
, , .
, .
,
( ), .
, , . ,
).
21
, .,
,
(
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22
4.1
, , ( = ). , ,
, . . ( = ).
, ( ), .
4.3
, , .
- . .
:
=2
:
- -
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23
- .
,
( = ), :
=
:
=
2
-
, :
=
2
- :
= =2
:
2
=
2 (
) S , :
=
.
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4.2
( ). :
= =
, ( ), .
4.4
=
:
=
( )
=
= 2 , = :
= =
=
. ,
24
,
,
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25
. ( ) , , .
,
. ( ) = + 0,5 .
, = + 2 3 [ ]. .. , , .
4.3
4.5 .
4.5
d :
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2= ( )
:
= 2 ( )
.
= 2 ( )
= , :
=
= 2 ( )
= ; = + :
= 2 ( )
:
=2
: = + :
= 2 + ( + 2 )
, [ ] :
= + 2 ; = 360
;
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27
4.4
, .
.
. , , .
Suhanov :
= (0.65 0.75)
= 150 :
= 0.75
:
I. = (0.65 0.75) ;II. (
Q)III. . :
=360
.IV.
.
: ,
.
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28
4.5
:
= ; = =
, :
=360
:
=360
:
= +360
4.6
:
=
:
=2
+722
246 2
=4 2
-
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4.6
= .
,
DD,
=
4.7
( e ,
,
,
:
3604 2
+2
:
=90
+2
)
: =
= 35 45
, ..
29
.
= .
.
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30
, ( - = 360 ). . .
4.7 .
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31
5. CF TURBO
-
. . , . , .
:
- ,
, - - - ,
- 4 ,
-
- 3 - , Word
- CAD CFD ,
, .
, . SI US . SI .
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CFTURBO . .
. :
-
-
-
- -
-
-
-
-
-
-
-
-
-
-
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-
- Stepanoff
.
, , . 5.2 5.3 , .
. 5.2
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. 5.3
( , ) CFTURBO 5.
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. 5.4
. 5.5
. 5.6
, . , CFTURBO 5.
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. , , .. . s, 0, 1, 2 3 .
. 5.7
Main Dimensions. .
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. 5.8 CF Turbo
Q, H, n . , , . , CF Turbo .
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. 5.9 , CF Turbo
, . , , .
. 5.10 (Leading) (Trailing)
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. , . , .
CF Turbo, CFD
.
. 5.11 , ,
, , . , , , D2 b2 . .
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40
. 5.12
, .
. 5.13 CF Turbo
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41
, 3D . 3D CF TURBO.
. 5.14 3D
. 5.15 3D
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42
6.
3. () :
- H=40 m ;- Q= 290 m3/h ;- n=1850 vrt/min ;- , =1000 kg/m3 ;
:
= 3.13 = 102,97
:
= = 0,082 /
. (, , ) :
, = (4 4,5)10 = 150,4 [ ]
= 1 1
( , 0.172)= 0,896 =
1
1 + 0,68 = 0,97 = (0.96 0.98)
1
1 +
= 0,9
, :
=1000
= 41,136 [ ]
, :
= (1.1 1.2) = 47,3 [ ]
, :
=30
= 193,73 = 10 = 212,45 [ ] =16
= 0,03 [ ]
, :
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43
=4
= 0,151 [ ]
0 , :
= (0.06 0.08) = 4,583
D1 D0 :
= (0.58 0.72) = 0.098 [ ]
:
= = 0,06 [ ]
3.2 . ,
. , :
= 0.97 = 0.122 =7200
= 0.295 [ ] =60
= 3.486 =
= 0.025 [ ]
:
= = 5,729 = = 3.904
:
= =
, , . , 1l=18
o 2l=23o.
, :
=2 2
+ = 24,97 =60
= 0.258 [ ]
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44
7.
CF Turbo
2 .
, , , .
, :
- H=40 m ;- Q= 290 m3/h ;
- n=1850 vrt/min ;- , =1000 kg/m3 ;
ns P (kW) Pel(kW) d (m) D0 (m) D2(m) b2 (m) c1m m/s c2m m/s 102.97 0.78 41.136 47.3 0.03 0.151 0.295 0.025 4.58 3.48CF Turbo 103.29 0.87 31.6 36.5 0.031 0.170 0.300 0.029 3.8 3.0
(%) 0.3 11 30 29 3 12 2 16 20 16
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8.
, ( ) ,
, .
, , , , . .8.1 : 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 9
. 8.1
:
- : - -
-
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46
- , , . .
- (u-u) (r-r). :
=
+
2+ + + + [ ]
:
=
+
2+ + + [ ]
, .. .
, :
, = 0, :
=
+ + [ ]
,
. , ,
, , .
= =2
- ;
- ;
- ;
:
=
+ + [ ]
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47
, , . , , , .
, . , .
, , , .
8.1
, . .. , . , . , ,
, , , , .
, , , , () (Hp, Qp).
: . ,
, . . 20-30% . , , , .
(Hp).
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48
, .
, . , ,
.
8.2
,
. . , (1 2) (H-Q)I (H-Q)II. , , .
. ,
, . " " H-Q () (). , H(Q) . (H-Q)I+II ( ) Hp(Q) . Q I+QII, .. Qp, HI = HII, Hp. (H-Q)I (H-Q)II I A II Q
. BI BII.
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49
. 8.2 2
8.3
, . , .
, . , . . 26 (H-Q)I (H-Q)II. ho.
. H(Q) I H(Q)II H(Q)I+II.
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. 8.3 2
II , . ,
.
. 8.4 (2H-Q) . (2H-Q) H(Q). ho Hp = k
. Q2. ( ) Hp. QA H1=HA/2 ( 1). , , QB HB ( ), H=HB/2 QB. , o .
, . .
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. .
, . ,
, .
. , . , .
. 8.4 2
H(Q) I+II Hp(Q) , : Hp =H + H Qp. H(Q)I H(Q)II
: I(HI,Q) AII(HIIQ). , A '1 A'2.
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9.
, ,
, , . , . . , . .
, . , , . CF Turbo. , . , . , , 30%. . ,
, ,
.
10. :
1. .2. - .3. CF TurboSoftware Manual 5.0