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Research progress of horizontal falling film evaporator in refrigeration system.

[In Chinese. / En chinois.]

Author(s) : WANG X., YUAN X., WU M., et al.

Type of article: Article, Review

Summary

The widely applications have been achieved for falling film evaporators in the fields of pharmaceutical, chemical, ocean desalinization industries. However, the employment in the refrigeration and air condition was just after the 1990s. As so far, the researches for falling film evaporator were mainly focused on figuring out the influence of the parameters, as well as the coupling among them. Nevertheless, due to the special configuration and complexity of heat and mass transfer in the falling film evaporator, the researches were still on the preliminary level. On the basis of the introducing of the operation mechanism, this paper discussed the influence of configuration and height of the liquid feeder, evaporation tube (including radius, the bundles, enhanced surface) , working fluid (flow pattern, flow rate) on the performance of the horizontal falling film evaporator. Considering the great advantages of the empirical correlation in the practices, the heat transfer correlations and applied ranges were also presented. This paper can be a reference of future researches.

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Pages: 19-29

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