Abstract: The paper describes experimental research of the flow impinging on heated plate. The flow was generated by synthetic jet actuators. Construction of these actuators is designed to excite a fluid flow in the circulatory track.
1. I
NTRODUCTION! " #$%&#'%() !* +,! ,
! -./ , ( ,. 0 1 .
& 2 314 3 -14 3/ 14 3 1 (
2. G
EOMETRY OF LABORATORY MODEL AND EXPERIMENTAL SETUP! . )LJ!
5, 6-1 ( 14 3/ !
0 7 $8
• 0 9,&! :4 &,)'&4 & &
; ,,< &;=>'8>?@A@ABAC
•1 () 9 ,D &! :4 &,)'&4 &
&; , ,< &;=>'8>?@A@A$$8
3$! . &
!+ + C Q '@ * ! +
! )LJ
3'
! @A'@C8Q -@A'/,-@C8/
R)LJ
3A &
31 (2 2 ! , " $88&
3. R
ESULTS OF FLOW FIELD MEASUREMENT! + Q ?* $B* 7 ,! 3> ?*+
3>3-?*/;8!&8A!&8B!& 8?!
( )LJ !
& 0 , , 3
,+ $B* " & ! Q
3@( + $B*&8B!
3B35;8!&8B!
! 5 !
1 T
)LJ &)LJ
&$B* ! 88'@S ! 8AS , . 3CU( 3?(
4.
CONCLUSION3. 0 14 3
5. R
EFERENCES#$% !V (& !)WX, Y; Z" 0 3 :
.[& ".&A$'QA$B&( $>>-'88?/& '&R '88?
#'% !V (; [" 5. * 0 ! 3
T31\& " 2&(;?C -'88]/& '-3'88]/
7KLVZRUNKDVEHHQVXSSRUWHG E\WKH *$&5±SURMHFWQXP*$
Velocity profile of the flow through the orifice f=16Hz
0 0,005 0,01 0,015 0,02 0,025
0,4 1,8 3,9 6 8,1 10,3 12,4 14,5 16,6 18,8
[mm] fl ow vel oci ty [ m /s
] 0ms16ms
Velocity profiles close to the wall behind the pulsator outlet f=16HZ
0 0,01 0,02 0,03 0,04 0,05 0,06 0,07 0,08 0,09 0,1
0,7 1 2,7 4,4 6,1 7,8 9,4 11,1 12,8 14,5 15,4 17,1
tangential distance from the curved w all [mm]