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Volume 30 Issue 1
Feb.  2009
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XIE Zheng-rui, YANG Yan-hua, GU Han-yang, CHENG Xu. Numerical Study on Turbulent Mixed Convection in Inclined Rectangular Channels[J]. Nuclear Power Engineering, 2009, 30(1): 50-55.
Citation: XIE Zheng-rui, YANG Yan-hua, GU Han-yang, CHENG Xu. Numerical Study on Turbulent Mixed Convection in Inclined Rectangular Channels[J]. Nuclear Power Engineering, 2009, 30(1): 50-55.

Numerical Study on Turbulent Mixed Convection in Inclined Rectangular Channels

  • Received Date: 2007-11-12
  • Rev Recd Date: 2008-01-28
  • Available Online: 2025-07-28
  • Publish Date: 2009-02-15
  • In literatures, the analysis of turbulent flows and heat transfer with buoyant effects mainly fo-cus on the study on vertical channel. Although the flows in inclined channel can be encountered everywhere in engineering condition, it has not drawn much attention. In this paper, numerical study on turbulent mixed convection in inclined plane channel has been made to examine the effect of inclination on fluid flow and heat transfer distributions. The inclination angle is changed from 15°to 90°. The turbulent air flows upward or downward into the duct with one wall heated from below. Calculation results with several kind of k-ε type turbulence models (called k-ε model) have been used to compare with the experimental data in opening lit-eratures to determine which is the most suitable model to adopt. The dependents of Nusselt number on the inclination angle of both the buoyancy-aided and buoyancy-opposed flow are discussed.

     

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