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THE BNARD CONVECTION IN A LAYER OF FLUID WITH A TIME-DEPENDENT MEAN TEMPERATURE

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【作者】吴烽；

【Author】 Wu Feng (Department of Modern Mechanics, University of Science and Technology of China, Hefei)

【机构】 Department of Modern Mechanics； University of Science and Technology of China； Hefei；

【摘要】 <正> The onset of Benard convection. or the critical Rayleigh number in a layer of fluid witha time-dependent mean temperature has been investigated theoretically. The criticalRayleigh number is regarded as a function of time and is expanded in series of a smallparameter. Up to second approximation a simple expression of critical Rayleigh number isobtained for the time region for away from the point of zero.更多还原

【Abstract】 The onset of Benard convection, or the critical Rayleigh number in a layer of fluid with a time-dependent mean temperature has been investigated theoretically. The critical Rayleigh number is regarded as a function of time and is expanded in series of a small parameter. Up to second approximation a simple expression of critical Rayleigh number is obtained for the time region for away from the point of zero.更多还原

【关键词】 Rayleigh； expanded； convection； lapse； THE B； assumed； hasbeen； heated； claimed； hexagonal；

【文献出处】 Applied Mathematics and Mechanics(English Edition) ,应用数学和力学(英文版) , 编辑部邮箱 ,1987年10期

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