KAGAKU KOGAKU RONBUNSHU
Online ISSN : 1349-9203
Print ISSN : 0386-216X
ISSN-L : 0386-216X
Flow Characteristics of Falling Liquid Film on a Vertical Fluted Wall
Hideo SuematsuShiro Inoue
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1982 Volume 8 Issue 6 Pages 659-663

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Abstract

As a basic study in predicting the heat transfer characteristics of fluted tubes, the flow characteristics of falling liquid films on vertical fluted walls have been studied experimentally. Four kinds of fluted tubes were used in the experiments.
The following conclusions were obtained.
1) By considering the hydraulic radius, the flow characteristics can be summarized to several experimental correlations which are similar to the Nusselt solution for a vertical flat wall and are almost independent of the configurations of the flutes.
2) On estimating the volumetric flow rate of falling liquid film in a flute, numerical analysis of falling liquid film without wavy laminar flow can be used up to a Reynolds number of about 1000.

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© by THE SOCIETY OF CHEMICAL ENGINEERS, JAPAN
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