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The Preliminary Design of Compacted Heat Exchanger Based on Helical Baffles Technique

[+] Author Affiliations
Wang Cong

Naval University of Engineering, Wuhan, China

Qiu Jinrong

Xi’an Jiaotong University, Xi’an, China

Liao Yi

Wuhan 2nd Ship Design and Research Institute, Wuhan, China

Paper No. ICONE25-67790, pp. V006T08A116; 4 pages
doi:10.1115/ICONE25-67790
From:
  • 2017 25th International Conference on Nuclear Engineering
  • Volume 6: Thermal-Hydraulics
  • Shanghai, China, July 2–6, 2017
  • Conference Sponsors: Nuclear Engineering Division
  • ISBN: 978-0-7918-5784-7
  • Copyright © 2017 by ASME

abstract

This paper conducted a preliminary design of heat exchanger based on helical baffles technique. The realizable k-ε turbulent model was adopted to simulate the flow properties and heat transfer in the shell side with the computational fluid dynamics software. The numerical results show that the helical baffles heat exchanger offer about 11% higher heat transfer coefficient, 6% higher pressure drop and 10% lesser heat exchanger area than of heat exchanger with segmental baffles under the same heat exchanger power. It could help achieve the goal of reducing volume of heat exchanger with helical baffles technique.

Copyright © 2017 by ASME

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