# CHOICE OF TURBULENCE MODELS TO STUDY OPEN FLOW ANISOTROPIC CONDITION

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• 532.5:627.13

.. , , ...,

. k- - . : , , , k- , , , .

- - , , - . . . , - .

- . - . - [13], - . [1] - -. - . -, - . [2] -

. - - . , , - . - . - -, .

, - , - , - , . - , , - . , - , - , -, . : - , . k- - - , , - .

• V14 V17 V19 V113

V24 V27 V29 V213

u24 u27 u29 u213

V34 V37 V39 V313

Psi4 Psi7 Psi9 Psi13

3

2 1

. 1. -

( 4, 7, 9, 13 ):

150 /cQ =

1V (/); 2V (/); - (/); ( ) 2u

3u V= 3 ; (-1); 1 ; 2 ; 3

• - 1V 2V , - . - , 14 , , . =0,0014 - d=0,31 , , d=23 . Fr=0,0079-0,091 Re=13000-89000 . - , 10- - 22 . . - . - . , . - [4]. - (4, 7, 9, 13) . 1. 4 , -

; 7 , -; 9 -, ; 13 . 1V (. 1, ) - , . 2V (. 1, ) -

. 2V - (. 1, ). - 2u (. 1, ), (. 1, ) 3u V3= ( ). - 2V , 2u , 3V - : - , , . - ( 4, 7) - , ( 9, 13) , , , - (. 1, ).

Mk Me MNut

Mk Me MNut

Mk Me MNut

. 2. Mk (2/2),

M (2/3), Mt (2/) Q=150 /, -: k- 1 (1), k- 2 (3), k- 3 (4)

• Pe4 Pe7 Pe9 Pe13

V11V224 V11V227 V11V229 V11V2213

V11V334 V11V337 V11V339 V11V3313

Tu4 Tu7 Tu9 Tu13

3

2 1

k- . 3.

3 (4) 150 /cQ = ( 4, 7, 9, 13 ): -

/; 1 1V V / 2 2V V ; 1 1V V / 3 3V V ; u; 1 ; 2 ; 3

-

k- 1

k- . k- - - , [3,4]. ,

2

1 2

; (1)

,

ti h kv

i i k i

t hi v

i i i

k k kV P Pt x x x

PV C C P

t x x x k

+ = + +

+ = + +

t , -

2 ,t C k = (2)

,

hP-

2i j

h tj s

V VP vx x

= +

,

,kv vP P , -

k

• ( )3, ,i j kkv k

UP C

h

= ,

( )4, ,2

i j kvP C h

= , U

, -

[4],

U , ,i j k

1 ,C 2 ,C ,k , 1,C ,C , . ,kC C

[4]. k- 2 3 , - -

.

k- 2

2

1 2 .tii i i

PV C Ct x x x k

+ = + k- 2

;ti k i

k kx x

+ (3)

ii

kV Pt x

+ =

1 2,C C ),

3

[3] - (5 . k- 2 - , - . k- -

P -

3

2

1 2 3 , ,

; (4)

,

ti

i i k i

ti i j j i

i i i

k k kV Pt x x x

PV C C C a at x x x k

+ = +

+ = + +

,

-

[3] 3C ija,

2 ;3ij i j ij

a V V k = ij jia a

. , (3) (4)

( )

1

2123 1

ij

i j ij

P P

VV kC

= + +

5)

3,

ij

P (

.2

i iii j

j

V PP VV

x = =

-

3

k- 2

C P [3]

( )( ) ( )21 12 1 1 1 .3

C C P C P = + + (6)

t (3) (4)

-

(2). : k,

t - h

0

3

H

Fz

M F dx h= , { }, , tF k= (. 2, , , ).

k, , t (. 2)

,

. - 1 (1) k- 2 (3)

-

k - (. 2, , ), k- 3 (4), 0 (. 2, ). k- 2 3 (3, 4) , t =710

-5 2/ (=1,0110-6 2/) (. 2, , ). k- 1 (1) ( - ) k- 2 3. - , (. 2, ). k- 1 (=0,09), . , - k- - 2 3 . . 3 - , 3. /P -

• (. 3 ). , - - 2 3 3 9 . - /P =1 (. 3, ). /P - .

.

- - /P =1 =0,250,3,

/P >1 =0,20 -

2

1V 6-10%

1V . - ,

1 1 V V / 2 2V V , 1 1 V V / 3 3 V V (. 3, , ), -

1 1 V V 2 2 V V 3 3V V 20% , - , , - , . k- - 3 3 - k- 2.

( ) 22 2 2 11 2 3 3Tu V V V V = + + , k- 2 3 , (. 3 ), k- 3 (4) u 1,5

(3

.

3 (4)

2 ).

- k- -.

, , , - , . 1 (1), - , , - 2 (3), - 1 (1) /P , 1 1 V V / 2 2V V ,

1 1V V / 3 3V V , u.

2 3,

k- -.

.., .. . . 337. . 315.

2. .., ..

3.

10 2005 .

1.

. 1990.

. - . 1990. . 337. . 2656. .., .. - . .: , 2004. 172 .

4. .. - . .: , 1995. 184 .

: .. , , ..., .