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CFD simulation and analysis of gas to water two phase closed thermosyphon based heat exchanger

Ramos, Joao; Chong, Alex; Tan, C. K.; Matthews, Jason; Boocock, Mark; Jouhara, Hussam

Authors

Joao Ramos

Alex Chong

C. K. Tan

Mark Boocock

Hussam Jouhara



Contributors

B.
Editor

C. A. Brebbia
Editor

Abstract

Wickless heat pipes are devices with high reliability and heat transfer potential per unit area. Owed to that fact, their application range has been widened in the past 20 years. In the process industry, they are usually coupled to waste heat recovery devices, namely heat exchangers. Heat-pipe-based heat exchangers offer many advantages when compared to conventional waste heat recovery systems, such as increased reliability and reduced cost of production. The design of such devices, however, is not a straightforward process due to the complex modes of heat transfer mechanisms involved. In this paper, the characterisation of a cross-flow heat pipe based heat exchanger is made via the use of ANSYS Fluent, a CFD solver. A design tool with the purpose of predicting the performance of the test unit is also developed and validated through comparison between the CFD model and previous experimental results.

Citation

Ramos, J., Chong, A., Tan, C. K., Matthews, J., Boocock, M., & Jouhara, H. (2014). CFD simulation and analysis of gas to water two phase closed thermosyphon based heat exchanger. In C. A. Brebbia, & B. Sundén (Eds.), Heat Transfer XIII: Simulation and Experiments in Heat and Mass Transfer (217-228). Coruna, Spain: WIT Press

Conference Name Heat Transfer 2014
Publication Date Jan 1, 2014
Peer Reviewed Peer Reviewed
Pages 217-228
Series Title WIT Transactions on Engineering Sciences
Series Number 83
Book Title Heat Transfer XIII: Simulation and Experiments in Heat and Mass Transfer
ISBN 9781845647940
Keywords heat recovery, heat exchangers, heat pipes, thermosyphons, CFD, effectiveness
Related Public URLs http://www.witpress.com/books/978-1-84564-794-0
Additional Information Title of Conference or Conference Proceedings : Proceedings of Heat Transfer 2014