The Effects of Fluid Boundary Types on Flow around and Heat Transfer from an Elliptical Cylinder

Hong Yan Zhai; Qing Ling Li; Liang Huang

doi:10.4028/www.scientific.net/AMR.1065-1069.2117

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 1065-1069The Effects of Fluid Boundary Types on Flow around...

The Effects of Fluid Boundary Types on Flow around and Heat Transfer from an Elliptical Cylinder

Abstract:

A numerical study was conducted to examine the flow field around and heat transfer from an elliptical cylinder of AR=0.5 in two types of the annular boundary and rectangular one. The fluid near the surface separates from the cylinder surface and forms a steady recirculation bubble at the rear end of the cylinder at the first critical Reynolds (Rec1). The vortices begins the alternating separation at the second critical Reynolds (Rec2). Rec1 and Rec2 for the fluid in two boundary types are studied. The Nusselt numbers are compared at Rec1 and Rec2 respectively.

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Periodical:

Advanced Materials Research (Volumes 1065-1069)

Pages:

2117-2122

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1065-1069.2117

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Online since:

December 2014

Authors:

Hong Yan Zhai*, Qing Ling Li, Liang Huang

Keywords:

Boundary Type, Elliptical Cylinder, Heat Transfer, Streamline Patterns

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