Characterization of Saturated Flow within Mesh-Type Wicks Based on the Capillary Suction Potential Corrected Using the Tortuosity
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概要
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A relation of the friction factor cf to the Reynolds number Re, cfRe = 24, in mesh-type wicks has been deduced on the basis of a capillary bundle model, using the modified j-function of single-layer polyethylene mesh wicks measured by an electric resistance method. Correlation of the capillary drain height and the capillary drain number has yielded the tortuosity as a function only of the porosity. The cf and Re values calculated using the estimated tortuosity have proved the relation cfRe = 24 to be applicable to plain-woven stainless meshes as well as plain-woven and knitted-type polyethylene meshes, irrespective of the mesh number and the number of mesh layers constituting the wick.The results for the multi-layer mesh wicks have also reasonably supported that the modified j-function would be available even for the mesh wicks where the porosity increases by 12% or decreases by 14% compared to those of the single-layer mesh wicks.
- 社団法人 化学工学会の論文
- 2005-02-01
著者
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Mori H
Univ. Nagoya Nagoya
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Mori Hidetoshi
Department Of Chemical Engineering Nagoya University
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MIZUNO Mitsukuni
Department of Mechanical Engineering, Aichi Institute of Technology
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Mizuno Mitsukuni
Department Of Mechanical Engineering Aichi Institute Of Technology
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