Mixed, Forced and Natural Convective Heat Transfer in Cavities Heated from Bottom Surface
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概要
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This experimental study concerns the mixed, forced and natural convection heat transfers in rectangular cross-section cavities heated from bottom surface. Flow visualization, measurements of temperature profiles and heat transfer from heating surface are performed for various free-stream velocities, temperature differences between the free stream and the heating surface and dimensions of the cavity. It is found that flow pattern and the amount of convective heat transfer are influenced by an interaction between forced and natural convections, and there exists a range of Reynolds numbers in which the amount of convective heat transfer decreases with an increasing Reynolds number. this paper correlates the experimental data in terms of Nusselt number, dimension ratio of cavity (depth/width of cavity), Grashof number and Reynolds number with the range of Reynolds numbers.
- 一般社団法人日本機械学会の論文
著者
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Inaba Hideo
Dept. Of Mechanical Engineering Kitami Institute Of Technology
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SUGAWARA Masahiro
Faculty of Engineering, Hokkaido University
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Fukuda Takeyuki
Dept. Of Mechanical Engineering Kitami Institute Of Technology
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Sugawara Masahiro
Faculty Of Mining Akita University
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