G114 THE SPATIAL AMPLIFICATION OF DISTURBANCES IN VERTICAL NATURAL CONVECTION FLOWS OF WATER NEAR DENSITY EXTREMUM(Natural convection in enclosure-1)

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概要

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• Numerical solutions of the hydrodynamic stability equations for buoyancy-induced flows adjacent to a vertical, planar, isothermal surface in cold pure water have been obtained for various values of the density extremum parameter R = (T_m-T_∞)/(T_0-T_∞). The present numerical study yields neutral stability results for the region of the flows corresponding to 0.0 ≤ R ≤ 0.1515, where outside buoyancy force reversals arise. Also, it includes the first stability analysis by obtaining the spatial amplification of disturbances. When the stability results of the present work are compared to the previous experimental data, the numerical results agree well.

• 一般社団法人日本機械学会の論文
• 2000-10-01

著者

• Hwang Young-kyu

  School Of Mechanical Engineering Sungkyunkwan University

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• G114 THE SPATIAL AMPLIFICATION OF DISTURBANCES IN VERTICAL NATURAL CONVECTION FLOWS OF WATER NEAR DENSITY EXTREMUM(Natural convection in enclosure-1)
• F103 EXPERIMENTAL STUDY ON THE HELICAL FLOW FIELD IN A CONCENTRIC ANNULUS WITH ROTATING INNER CYLINDER(Heat transfer in complex system-1)

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