Numerical simulation of oscillatory flow and heat transfer in the heat exchangers of thermoacoustic systems

O.M. Ilori; Xiaoan Mao; AJ Jaworski

doi:10.18462/iir.icr.2015.0522

Numerical simulation of oscillatory flow and heat transfer in the heat exchangers of thermoacoustic systems

O.M. Ilori, Xiaoan Mao, AJ Jaworski

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Citation (Scopus)

Abstract

The design of appropriate heat exchangers is an essential requirement for the development of next generation of thermoacoustic systems. In this study, RANS method with SST k-ω turbulence model was applied to solve the time-dependent turbulent Navier-Stokes and energy equations for oscillating flow and heat transfer conditions in three individual but similar parallel plate heat exchangers, arranged in series and positioned in an oscillating helium gas environment. The numerical code is validated by comparing the low amplitude oscillating flow results to the analytical solutions found in the literature. The effects of pressure oscillation on the velocity and temperature distributions are discussed in detailed with respect to the channels’ entrance and exit edge shapes of the heat exchangers. Three types of edge shapes, blunt, cone and ogive, in this study influence the oscillating flow behaviour and heat transfer condition differently at the entrance and exit of the heat exchanger channels.

Original language	English
Title of host publication	Proceedings of the 24th IIR International Congress of Refrigeration (ICR)
Publisher	International Institute of Refrigeration
Pages	1308-1315
Number of pages	8
ISBN (Electronic)	9782362150128
DOIs	https://doi.org/10.18462/iir.icr.2015.0522
Publication status	Published - 16 Aug 2015
Externally published	Yes
Event	24th IIR International Congress of Refrigeration: Improving Quality of Life, Preserving the Earth - Yokohama, Japan Duration: 16 Aug 2015 → 22 Aug 2015 Conference number: 24 http://www.icr2015.org/ (Link to Conference Website )

Conference

Conference	24th IIR International Congress of Refrigeration
Abbreviated title	ICR 2015
Country	Japan
City	Yokohama
Period	16/08/15 → 22/08/15
Internet address	http://www.icr2015.org/ (Link to Conference Website )

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Ilori, O. M., Mao, X., & Jaworski, AJ. (2015). Numerical simulation of oscillatory flow and heat transfer in the heat exchangers of thermoacoustic systems. In Proceedings of the 24th IIR International Congress of Refrigeration (ICR) (pp. 1308-1315). [522] International Institute of Refrigeration. https://doi.org/10.18462/iir.icr.2015.0522

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Ilori, OM, Mao, X & Jaworski, AJ 2015, Numerical simulation of oscillatory flow and heat transfer in the heat exchangers of thermoacoustic systems. in Proceedings of the 24th IIR International Congress of Refrigeration (ICR)., 522, International Institute of Refrigeration, pp. 1308-1315, 24th IIR International Congress of Refrigeration, Yokohama, Japan, 16/08/15. https://doi.org/10.18462/iir.icr.2015.0522

Numerical simulation of oscillatory flow and heat transfer in the heat exchangers of thermoacoustic systems. / Ilori, O.M.; Mao, Xiaoan; Jaworski, AJ.

Proceedings of the 24th IIR International Congress of Refrigeration (ICR). International Institute of Refrigeration, 2015. p. 1308-1315 522.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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