Augmentation of Turbulent Heat Transfer on a Flat Plate with a Three-dimensional Protuberance : 1st Report, Local heat transfer characteristics and flow pattern around a finite length circular protuberance
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概要
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In order to obtain the fundamental data on the high performance roughened heating surface, we tried to clarify the augmentative effects of a three-dimensional protuberance, whose height was the same order as boundary layer thickness. In this paper, the local heat transfer characteristics and flow field around a single and finite length circular cylindrical protuberance have been investigated experimentally, under the codition of H/D=0. 5〜1.0, H/θ=5〜15 and Re_H=5×10^3〜3×10^4 Consequently, the most effective shape parameter for the augmentation of heat transfer was indicated, and a wake flow structure was proposed. And an arrangement of maximum heat transfer coefficient was presented experimentally as a function of shape parameter.
- 一般社団法人日本機械学会の論文
著者
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Mabuchi Ikuo
Gifu University Faculty Of Engineering
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Kumada Masaya
Gifu University Faculty Of Engineering
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Kawamura Takao
Gifu National College Of Technology
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HIWADA Munihiko
Gifu University
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Kumada Masaya
Gifu University
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Hiwada Munehiko
Gifu University Faculty Of Engineering
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Mabuchi Ikuo
Gifu University
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- Augmentation of Turbulent Heat Transfer on a Flat Plate with a Three-dimensional Protuberance : 1st Report, Local heat transfer characteristics and flow pattern around a finite length circular protuberance
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