the physical aspect of three-dimensional mixed convection in a uniformly heated horizontal pipe

Clicks: 147
ID: 200173
2004
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Abstract
This study concerns the numerical simulation of the three dimensional forced and mixed convection heat transfer in a uniformly horizontal heated pipe. The complete Navier-Stokes equations are numerically solved with a finite volume method.. The obtained results show that the mixed convection flow is quite three-dimensional. As the Grashof number is increased, a secondary flow develops in the form of a two counter-rotating vortices. The vortices lead to a better mixing of the flow and thus enhance the convective heat transfer: the local axial Nu decreases along an entrance region and then increases downstream instead of leveling off as in the case of forced convection. The increase is more important for higher Richardson numbers
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boufendi2004sciencesthe Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;T BOUFENDI;M AFRID
Journal journal of big data
Year 2004
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