This study presents a computational investigation of forced convection of supercritical flow in plane symmetric sudden expansion duct at an expansion ratio of 2 in flow asymmetric regime. Computations were conducted at various Reynolds numbers in flow asymmetric regime and low wall heat fluxes below to examine the Reynolds number and thermal effects on the flow and heat transfer of the bifurcated flow. General flow features and temperature distributions are presented. The transitional Reynolds numbers above, which a third recirculation region will appear at different wall heat flux are presented, and thus thermal effects on the flow stability are discussed. Reynolds number and thermal effects on distributions of wall skin friction, pressure coefficient, and Nusselt number are presented and discussed.
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Bifurcated Forced Convective Heat Transfer of Supercritical Flow in Plane Symmetric Sudden Expansion Duct
Bi-Li Deng,
Bi-Li Deng
Department of Energy and Resources Engineering, College of Engineering,
Peking University
, Beijing 100871, China
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Xin-Rong Zhang,
Xin-Rong Zhang
Department of Energy and Resources Engineering, College of Engineering,
Peking University
, Beijing 100871, China; Department of Mechanical Engineering, Energy Conversion Research Center, Doshisha University
, Kyo-Tanabeshi, Kyoto 610-0321, Japan
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Hiroshi Yamaguchi
Hiroshi Yamaguchi
Department of Mechanical Engineering, Energy Conversion Research Center,
Doshisha University
, Kyo-Tanabeshi, Kyoto 610-0321, Japan
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Bi-Li Deng
Department of Energy and Resources Engineering, College of Engineering,
Peking University
, Beijing 100871, China
Xin-Rong Zhang
Department of Energy and Resources Engineering, College of Engineering,
Peking University
, Beijing 100871, China; Department of Mechanical Engineering, Energy Conversion Research Center, Doshisha University
, Kyo-Tanabeshi, Kyoto 610-0321, Japan
Hiroshi Yamaguchi
Department of Mechanical Engineering, Energy Conversion Research Center,
Doshisha University
, Kyo-Tanabeshi, Kyoto 610-0321, JapanJ. Heat Transfer. Feb 2011, 133(2): 021703 (7 pages)
Published Online: November 3, 2010
Article history
Received:
March 23, 2010
Revised:
August 18, 2010
Online:
November 3, 2010
Published:
November 3, 2010
Citation
Deng, B., Zhang, X., and Yamaguchi, H. (November 3, 2010). "Bifurcated Forced Convective Heat Transfer of Supercritical Flow in Plane Symmetric Sudden Expansion Duct." ASME. J. Heat Transfer. February 2011; 133(2): 021703. https://doi.org/10.1115/1.4002440
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