Research on the Flow Characteristics in Falling Film Outside theVertical Tube for Liquid Film
[1]FANG Shuqi,WU Xiaowei.Research on the Flow Characteristics in Falling Film Outside theVertical Tube for Liquid Film[J].Journal of Zhengzhou University (Engineering Science),2014,35(02):88-92.[doi:10.3969/j.issn.1671-6833.2014.02.020]
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Journal of Zhengzhou University (Engineering Science)[ISSN
1671-6833/CN
41-1339/T] Volume:
35
Number of periods:
2014 02
Page number:
88-92
Column:
Public date:
2014-04-30
- Title:
- Research on the Flow Characteristics in Falling Film Outside theVertical Tube for Liquid Film
- CLC:
- -
- Abstract:
- The liquid appears as film flow when spray onto outside of heat exchanger tubes due to gravity. Thecondition of filming affeets the heat and mass transer of heat exehanger tubes signifieantly. The film annulargap size should be 1. 3 ~2.0 mm based on the previous experimental research. The theoretical analysis waseondueted on liquid film flow charaeteristies of the falling film outside the vertieal tube, and a comparison wasmade between the analysis and the experimental researeh with the different eoneentration of lithium bromidesolution is similar in present work. The relationship of the llow-rate eoelficients is eorrelated in terms of theReynolds number of lithium bromide solution in vertical tube falling films.
- References:
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