Permeability Constant of an Assembly of Wetted Spheres
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概要
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We have theoretically calculated the coefficient of permeability of an assembly of spheres wetted with residual fluid which does not mix with the flowing fluid. The method used is based on a double-cell model, which is an extension of the improved cell model. The results are compared with those obtained from experiments using kerosene, spindle oil and water, and the applicability of the theory is discussed. It is found that the permeability constant is influenced by the ratio of the viscosity of the main stream to that of the remaining fluid. When this ratio exceeds 1.5,the remaining fluid acts as a lubricant, making the main fluid flow easier.
- 一般社団法人日本機械学会の論文
著者
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Kawamata Shin
Department of Tissue Engineering and Cell Therapy, Foundation of Biomedical Research and Innovation
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OSHIMA Nobunori
Faculty of Engineering, University of Tokyo
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Kawamata Shin
Department Of Mechanical Engineering Faculty Of Technology Tokyo Noko University
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KATO Toyofumi
Department of Mechanical Engineering, Faculty of Technology, Tokyo Noko University
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OGAWA Satoru
National Aerospace Laboratory
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Kato Toyofumi
Department Of Mechanical Engineering Faculty Of Technology Tokyo Noko University
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Oshima Nobunori
Faculty Of Inderstrial Technology Nihon University
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Oshima Nobunori
Faculty Of Engineering University Of Tokyo
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