Numerical Investigation on Double Shell-Pass Shell-and-Tube Heat Exchanger with Continuous Helical Baffles
Joint Authors
Du, Wen-jing
Ji, Shui
Wang, Peng
Cheng, Lin
Source
Issue
Vol. 2011, Issue 2011 (31 Dec. 2011), pp.1-7, 7 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2011-07-03
Country of Publication
Egypt
No. of Pages
7
Main Subjects
Abstract EN
A double shell-pass shell-and-tube heat exchanger with continuous helical baffles (STHXCH) has been invented to improve the shell-side performance of STHXCH.
At the same flow area, the double shell-pass STHXCH is compared with a single shell-pass STHXCH and a conventional shell-and-tube heat exchanger with segmental baffles (STHXSG) by means of numerical method.
The numerical results show that the shell-side heat transfer coefficients of the novel heat exchanger are 12–17% and 14–25% higher than those of STHXSG and single shell-pass STHXCH, respectively; the shell-side pressure drop of the novel heat exchanger is slightly lower than that of STHXSG and 29–35% higher than that of single shell-pass STHXCH.
Analyses of shell-side flow field show that, under the same flow rate, double shell-pass STHXCH has the largest shell-side volume average velocity and the most uniform velocity distribution of the three STHXs.
The shell-side helical flow pattern of double shell-pass STHXCH is more similar to longitudinal flow than that of single shell-pass STHXCH.
Its distribution of fluid mechanical energy dissipation is also uniform.
The double shell-pass STHXCH might be used to replace the STHXSG in industrial applications to save energy, reduce cost, and prolong the service life.
American Psychological Association (APA)
Ji, Shui& Du, Wen-jing& Wang, Peng& Cheng, Lin. 2011. Numerical Investigation on Double Shell-Pass Shell-and-Tube Heat Exchanger with Continuous Helical Baffles. Journal of Thermodynamics،Vol. 2011, no. 2011, pp.1-7.
https://search.emarefa.net/detail/BIM-502299
Modern Language Association (MLA)
Ji, Shui…[et al.]. Numerical Investigation on Double Shell-Pass Shell-and-Tube Heat Exchanger with Continuous Helical Baffles. Journal of Thermodynamics No. 2011 (2011), pp.1-7.
https://search.emarefa.net/detail/BIM-502299
American Medical Association (AMA)
Ji, Shui& Du, Wen-jing& Wang, Peng& Cheng, Lin. Numerical Investigation on Double Shell-Pass Shell-and-Tube Heat Exchanger with Continuous Helical Baffles. Journal of Thermodynamics. 2011. Vol. 2011, no. 2011, pp.1-7.
https://search.emarefa.net/detail/BIM-502299
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-502299