JOURNAL OF CHEMICAL ENGINEERING OF JAPAN
Print ISSN : 0021-9592
Original Papers
Local Mass Transfer from a Single Cylinder and Tube Banks Vibrating Sinusoidally in a Fluid at Rest
Kenji TakahashiHarumochi HiranoHiroshi ImaiKazuo Endoh
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1992 Volume 25 Issue 6 Pages 678-683

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Abstract

The effect of vibration on mass transfer was studied for two cases, one being local and overall mass transfers from a single cylinder and the other being those from tube banks, i.e., staggered and in-line tube banks. As for a vibrating single cylinder, the local Sherwood numbers showed the highest value at the positions of θ = 0 and 180, and the minimum value at θ = 90. This was because the inner circulation flows near the vibrating cylinder affected the local mass transfer at high Schmidt number. The local mass transfer rates for the tube banks were greater than those for the single cylinder at any position and any pitch. Correlation equations of the overall mass transfer for the tube banks were proposed with the Reynolds number and a voidage function used in a packed bed.

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© 1992 The Society of Chemical Engineers, Japan
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