Effect of ambient temperature on piston-type synthetic jet actuator

被引：5

作者：

Eri, Qitai ^{[1
]}

Hong, Liang ^{[1
]}

Li, Ting ^{[1
]}

Wang, Qiang ^{[1
]}

机构：

[1] Beihang Univ, Sch Energy & Power Engn, 37 Xueyuan Rd, Beijing 100191, Peoples R China

来源：

PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART G-JOURNAL OF AEROSPACE ENGINEERING | 2018年 / 232卷 / 06期

关键词：

Synthetic jet; numerical simulation; ambient temperature; actuator performance; auxiliary air inlet; MIXING ENHANCEMENT; FLOW-CONTROL; PLASMA ACTUATORS;

D O I：

10.1177/0954410017705904

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

The effect of the ambient temperature on the piston-type synthetic jet actuator performance is investigated numerically. And the effects of the actuation frequency and orifice diameter on mass flow, cylinder pressure and jet momentum are also analysed under high and normal temperatures as well as the effect of the auxiliary air inlet on synthetic jet actuator performance under high temperature. The results indicated that ambient temperature has a significant effect on synthetic jet actuator performance. As the ambient temperature rises, the mass flow, cylinder pressure and jet maximum momentum decrease significantly. Compared with that at normal temperature, the synthetic jet actuator performance with high actuation frequency or large orifice diameter has large degradation under high ambient temperature. In addition, auxiliary air inlet can significantly improve the suction capability and performance of the synthetic jet actuator.

引用

页码：1077 / 1086

页数：10

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