CONTENTS
ABSTRACT i
摘要 ii
ACKNOWLEDGMENTS iii
CONTENTS iv
NOMENCLATURE vi
ABBREVIATIONS vi
TABLE CAPTIONS vii
FIGURE CAPTIONS vii
CHAPTER 1 1
Introduction 1
1.1 Background 1
1.2 Literature review 2
1.3 Scope of study 4
CHAPTER 2 6
Experimental setup and methods 6
2.1 Experimental set up 6
2.1.1 Synthetic jet device 6
2.1.2 Motor and control valve 7
2.1.3 Frequency controlling system 7
2.1.4 Smoke generator 8
2.2 Experimental methods 10
2.2.1 Oscillating jet velocity measurement 10
2.2.2 Flow visualization 11
2.2.3 PIV measurement 11
CHAPTER 3 14
Velocity pulsation 14
3.1 Jet exit velocity near orifice 14
3.2 Velocity property of synthetic jet 15
3.3 Stroke length 19
CHAPTER 4 20
Flow behavior of Synthetic jet flow 20
4.1 Flow behavior of synthetic jet flow on vertical plane 21
4.2 Flow behavior of synthetic jet flow on horizontal plane 24
4.3 Leading Vortex length 28
CHAPTER 5 30
Velocity fields 30
5.1 Time-averaged velocity vectors and streamlines 30
5.1.1 Time-average velocity vectors and streamlines along vertical plane 30
5.1.2 Time-averaged velocity vectors and streamlines along horizontal plane 32
5.2 Phase–resolved ensemble averaged absolute velocity vectors 35
5.2.1 Phase–resolved ensemble averaged velocity vectors along vertical plane 35
5.2.2 Phase–resolved ensemble averaged velocity vectors along horizontal plane 37
CHAPTER 6 40
Conclusions and Recommendations 40
6.1 Conclusions 40
6.2 Recommendations 43
References 44

References
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