Numerical study of nozzle design for the hybrid synthetic jet actuator

被引：7
|
作者：
Hsu, S. -S. [1 ]
Chou, Y. -J. [1 ]
Travnicek, Z. [2 ]
Lin, C. -F. [3 ]
Wang, A. -B. [1 ]
Yen, R. -H. [3 ]
机构：
[1] Natl Taiwan Univ, Inst Appl Mech, Taipei 106, Taiwan
[2] AS CR, Inst Thermomech, Vvi, Prague, Czech Republic
[3] Natl Taiwan Univ, Dept Mech Engn, Taipei 106, Taiwan
来源：
SENSORS AND ACTUATORS A-PHYSICAL | 2015年 / 232卷
关键词：
Synthetic jets; Hybrid synthetic jets; Numerical simulations; HEAT-TRANSFER ENHANCEMENT; FLOW; FLUX; GENERATORS; EVOLUTION; DEVICES;
D O I：
10.1016/j.sna.2015.05.018
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper presents a numerical study on the influence of the geometrical arrangement of the hybrid synthetic jet (HSJ) actuators. We study five variants of the HSJ actuators. The laboratory experiment by using water as the working fluid has been conducted for comparison and validation of the numerical simulation. The numerical results reveal the formation and propagation of vortices during the operating cycle in detail. It is identified that the internal vortex within the HSJ actuator plays essential roles on the flow mass exchange during the operating cycle. Our results show that the flow pattern of synthetic jet is highly sensitive to the internal geometrical design, which leads to significant difference in efficiency for different actuators. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：172 / 182
页数：11
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