Numerical Simulation of Flow and Heat Transfer with Large-Eddy Simulation in a Mixing T-Junction

Tao Lu; Xing Guo Zhu; Ping Wang; Wei Yyu Zhu

doi:10.4028/www.scientific.net/AMM.152-154.1319

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 152-154Numerical Simulation of Flow and Heat Transfer...

Numerical Simulation of Flow and Heat Transfer with Large-Eddy Simulation in a Mixing T-Junction

Abstract:

In the present paper, large-eddy simulation (LES) based on commercial computational fluid dynamics (CFD) software FLUENT for prediction of flow and heat transfer in a mixing T-junction was completed. Mean and root mean square (RMS) temperature and velocity were defined to describe the distributions and fluctuations of temperature and velocity. Numerical results indicate that profiles between symmetrical planes are almost same and the root mean square temperature and velocity close to the center of the main duct in the downstream are larger than those near the main duct wall. The prediction of the fluctuations of temperature and velocity is significant to understand the knowledge of the cause of thermal fatigue in a mixing T-junction.

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Periodical:

Applied Mechanics and Materials (Volumes 152-154)

Pages:

1319-1324

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.152-154.1319

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Online since:

January 2012

Authors:

Tao Lu, Xing Guo Zhu, Ping Wang, Wei Yyu Zhu

Keywords:

Flow, Heat Transfer, Large Eddy Simulation (LES), Numerical Simulation

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