The Numerical Analysis of Oscillating Rectangular Impinging Jets

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...

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Bibliographic Details
Published in:Numerical heat transfer. Part A, Applications Applications, 2010-07, Vol.58 (2), p.146-161
Main Authors: Demircan, Tolga, Turkoglu, Hasmet
Format: Article
Language:English
Subjects:
Algorithms
Computational fluid dynamics
Fluid dynamics
Fluid flow
Heat transfer
Jets
Mathematical models
Numerical analysis
Nusselt number
Oscillating
Oscillations
Oscillators
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Summary: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.
ISSN:1040-7782
1521-0634
DOI:10.1080/10407782.2010.496669