Unsteady Natural Convection of Heat-generating Fluids in a Horizontal Cylinder : Heat Transfer, Power, Combustion, Thermophysical Properties
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概要
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An analytical and experimental study has been performed to investigate the heat transfer characteristics of the unsteady natural convection of heat-generating fluids in a horizontal cylinder. Experiments were carried out with dilute electrolyte which was heated by passing an alternating current through it. The rate of heat generation was constant and uniform, buy changed stepwise with time. The temperature profiles and the heat transfer coefficients were determined with an interferometer. The governing differential equations were solved numerically to simulate the velocity and temperature distributions. From these results, the maximum temperature, the maximum value of the stream function and mean Nusselt number were correlated in terms of the Rayleigh number and the Fourier number. The transient period, which is the time interval needed to get to a steady state, was also correlated to the Rayleigh number.
- 一般社団法人日本機械学会の論文
- 1987-07-15
著者
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Mitachi Kohshi
Department Of Energy Engineering Toyohashi University Of Technology
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IGARASHI Mutsunori
Department of Energy Engineering, Toyohashi University of Technology
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Igarashi Mutsunori
Department Of Energy Engineering Toyohashi University Of Technology