The Stability of a Natural Convection Flow above a Point Heat Source

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概要

• 論文の詳細を見る

• Linear stability theory is applied to lamiuaar natural couavection plunaes arisingfrom a poizat heat source for Prandtl numbers of 2 and 0.7 (air). Tlve axisynantetricsteady plume which has a boundary-layer structure is used as the basic flow.The stability eq uations wlaich iu'cclude the effect of velocity-tenaperature disturbamtcecoupling are nutnerically solved for both axisyunmetric azad non-axisynanaetricdisturbances. The axisynvnaetric mode is found to [>e stable. The noua-axisynxmetricmode n'-l is found to be unstable but n=2 stable, wlaere n is the azimuthalwave-number of the non-axisymmetrjc disturbance.

• 社団法人日本物理学会の論文
• 1980-12-15

著者

• Wakitani Shunichi

  Department Of Mechanical Engineering College Of Engineering University Of Osaka Prefecture

• Wakitani Shunichi

  Department Of Mechanical Engineering School Of Engineering Okayama University

関連論文

• Unsteady Free Convection near a Forward Stagnation Point at Small Prandtl Number
• Experimental Study on Instability of Natural Convection Flow above a Horizontal Line Heat Source
• Stability Characteristics of a Natural Convection Flow above a Horizontal Line Heat Source
• Instability of a Two-Dimensional Wall Plume
• The Stability of a Natural Convection Flow above a Point Heat Source

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