An Experimental Study of the Thermal Convection in a Vertical Torus
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概要
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An experimental study was nmade on the thermal convection in a thin vertical torusplaced in a nearly uniform negative vertical temperature gradient. We analysed theflow field by several visualisation methods as well as an LDV (laser Dopplervelocimeter) measurement. The critical Rayleigh nurnber, the Rayleigh numberdependence of the velocity profile of a quasi-one??dimensiona1 flow along the loop,and the three-dimensional flows with cellular structures before the system becamechaotic are shown. The existence of the cellular structures is quite different from thebehaviour expected by the Lorenz model.
- 社団法人日本物理学会の論文
- 1989-08-15
著者
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Sano Osamu
Department Of Applied Physics Faculty Of Engineering University Of Tokyo
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WAKAYAMA Takashiro
Department of Physics,Faculty of General Education,Tokyo University of Agriculture and Technology
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Wakayama Takashiro
Department Of Physics Faculty Of General Education Tokyo University Of Agriculture And Technology
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Sano Osamu
Department Mining and Mineral Engineering
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