THREE-DIMENSIONAL NUMERICAL ANALYSIS OF DOUBLE DIFFUSIVE SMOKE IN HORIZONTAL MAIN FLOW(Jet and Plume)
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概要
- 論文の詳細を見る
The double diffusive natural convection of smoke in a horizontal main flow was numerically studied at the Prandtl number Pr=0.71, the Lewis number Le=5, the buoyancy ratio N=1, the Rayleigh number Ra=10^7 to 10^9 and the Peclet number Pe=Re-Pr=500 to 4000. Double diffusive phenomena occurred downstream with upward and downward plumes. When the Peclet number is small, the smoke was extensively disordered downstream. Then the smoke was bifurcated into an ascending and two descending plumes. An ascending plume developed at the center of smoke owing to the thermal buoyancy and two descending plumes developed with drops at the right-and-left sides of smoke owing to the solutal buoyancy.
- 一般社団法人日本機械学会の論文
- 2005-10-05
著者
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Miyashita Hisashi
Toyama National College Of Technology
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Kamakura Katsuyoshi
Toyama National College of Technology
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Ozoe Hiroyuki
Institute for Materials Chemistry and Engineering, Kyushu University
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Ozoe Hiroyuki
Institute For Materials Chemistry And Engineering Kyushu University
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