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A CFD Study of the Thermo-Hydraulic Characteristics of Pillow-Plate Heat Exchangers

[+] Author Affiliations
Mark Piper, Julian M. Tran, Eugeny Y. Kenig

University of Paderborn, Paderborn, Germany

Paper No. HT2016-7176, pp. V001T05A002; 7 pages
doi:10.1115/HT2016-7176
From:
  • ASME 2016 Heat Transfer Summer Conference collocated with the ASME 2016 Fluids Engineering Division Summer Meeting and the ASME 2016 14th International Conference on Nanochannels, Microchannels, and Minichannels
  • Volume 1: Heat Transfer in Energy Systems; Thermophysical Properties; Theory and Fundamentals in Heat Transfer; Nanoscale Thermal Transport; Heat Transfer in Equipment; Heat Transfer in Fire and Combustion; Transport Processes in Fuel Cells and Heat Pipes; Boiling and Condensation in Macro, Micro and Nanosystems
  • Washington, DC, USA, July 10–14, 2016
  • Conference Sponsors: Heat Transfer Division
  • ISBN: 978-0-7918-5032-9
  • Copyright © 2016 by ASME

abstract

Pillow-plate heat exchangers (PPHE) are manufactured as stacks of pillow plates, with a typical wavy surface. They represent a promising alternative to conventional equipment for the process industry; however, the lack of published design methods hinders their widespread application. Over the past years, our group has been intensively studying PPHE, using both theoretical and experimental methods. In the present contribution, the results of a CFD-based investigation of single-phase flow and heat transfer in both the inner and the outer pillow-plate channels are presented. In particular, the influence of using an advanced eddy viscosity turbulence model, namely, the elliptic blending k-ε model, on pressure drop and heat transfer in the outer channel is shown. Furthermore, a comparison between the thermo-hydraulic efficiencies of PPHE and pipes is undertaken, in order to identify the benefits of PPHE.

Copyright © 2016 by ASME

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