THE NUMERICAL ANALYSIS OF OSCILLATING RECTANGULAR IMPINGING JETS

被引：27

作者：

Demircan, Tolga ^{[1
]}

Turkoglu, Hasmet ^{[1
]}

机构：

[1] Gazi Univ, Dept Mech Engn, Fac Engn & Architecture, TR-06570 Ankara, Turkey

来源：

NUMERICAL HEAT TRANSFER PART A-APPLICATIONS | 2010年 / 58卷 / 02期

关键词：

CIRCULAR AIR-JET; HEAT-TRANSFER; FLOW STRUCTURES; TURBULENT JET; SURFACE;

D O I：

10.1080/10407782.2010.496669

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

In this study, the flow and heat transfer characteristics of oscillating air jets impinging on a flat surface were numerically analyzed. The jet velocity oscillated sinusoidally in time. A computer program, based on the control volume method and SIMPLE algorithm, was developed to numerically analyze the problem. Numerical simulations were performed to investigate the effects of the Reynolds number, amplitude, and frequency of the jet oscillation on the flow and heat transfer. It was observed that when the jet is oscillated, the Nusselt number moderately increases compared to the Nusselt number of steady jets.

引用

页码：146 / 161

页数：16

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