A Numerical Study on the Flow Characteristics of Opposed Impinging Jets

Shu Xia Qiu; Ning Pang

doi:10.4028/www.scientific.net/AMR.516-517.854

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 516-517A Numerical Study on the Flow Characteristics of...

A Numerical Study on the Flow Characteristics of Opposed Impinging Jets

Abstract:

Inspired by the increasing interests on mixing effectiveness of opposed impinging jets, a numerical work is carried out to study the flow characteristics. The fluid temperature is used as a passive tracer to evaluate the mixing rate in the current mathematical models. The effect of Reynolds number on the mixing performance is discussed. Furthermore, in order to enhance the mixing efficiency and reduce the energy cost, unsteady flow pulsations are induced at the jet inlets. The numerical results indicate that the mixing efficiency can be improved by the unsteady flow pulsations via adjusting the hydrodynamics characteristics in the opposed jets.

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Periodical:

Advanced Materials Research (Volumes 516-517)

Pages:

854-857

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.516-517.854

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Online since:

May 2012

Authors:

Shu Xia Qiu, Ning Pang

Keywords:

Computational Fluid Dynamics (CFD), Flow Pulsation, Mixing, Opposed Jet

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