Influence of multi-perforation synthetic jet configuration on heat transfer enhancement

被引：10
|
作者：
Giachetti, B. [1 ]
Fenot, M. [1 ]
Couton, D. [1 ]
Plourde, F. [1 ]
机构：
[1] ENSMA, Axe COST, Dept FTC, Inst Pprime, 1 Ave Clement Ader BP40109, F-86961 Chasseneuil, France
来源：
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER | 2018年 / 125卷
关键词：
Synthetic jet; Convection; Heat transfer; Jet in cross-flow; Multi-perforation configuration; FLOW-CONTROL; TEMPERATURE; EFFUSION; HOLES; ROWS; WALL;
D O I：
10.1016/j.ijheatmasstransfer.2018.04.073
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The multi-perforated wall of synthetic jets bas been analyzed to enhance heat transfer under laminar and turbulence cross-flow and for several dynamic configurations. To study the role of cross-flow and synthetic jet interactions, a dedicated experimental set-up was developed with convective heat transfer coefficients along the wall. Multi-perforated results were directly compared to single synthetic jet data. Sensitive parameters such as jet frequency, piston amplitude displacement and cross-flow velocity were determined. Heat transfer from the synthetic jet device can be amplified from 23 to as much as 175% depending on experimental conditions. The role of multi-perforating plate with regard to the single row configuration is clearly demonstrated. It is reinforced by continuous interaction between the main flow and synthetic jets. (C) 2018 Elsevier Ltd. All rights reserved.
引用
收藏
页码：262 / 273
页数：12
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