The application of additive manufacturing to heat exchangers for oscillatory flow: A case study

Additive manufacturing is an option for the fabrication of heat exchangers for thermoacoustic applications. In thermoacoustic devices, heat exchangers are placed in oscillatory flow. A careful consideration of heat exchanger geometries examines the application of methodologies to optimise heat trans...

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Bibliographic Details
Published in:Proceedings of the Institution of Mechanical Engineers. Part B, Journal of engineering manufacture Journal of engineering manufacture, 2024-08, Vol.238 (10), p.1531-1540
Main Authors: Hamood, Ahmed, Jaworski, Artur J, Blunt, Liam, Townsend, Andrew
Format: Article
Language:English
Subjects:
Channels
Cross flow
Heat exchangers
Heat transfer
Machining
Manufacturing
Oscillating flow
Stainless steels
Thermoacoustics
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Summary:Additive manufacturing is an option for the fabrication of heat exchangers for thermoacoustic applications. In thermoacoustic devices, heat exchangers are placed in oscillatory flow. A careful consideration of heat exchanger geometries examines the application of methodologies to optimise heat transfer and the temperature gradient. Additive manufacturing is proposed as an alternative fabrication technique that can overcome the current limitations of conventional fabrication machining. Six identical crossflow heat exchangers were made and tested, three from stainless steel and three from aluminium. The oscillatory flow moves back and forth through circular cross-section channels, and water flows in channels perpendicular to them. Heat transfer and temperature gradients were investigated at different drive ratios and mean pressures.
ISSN:0954-4054
2041-2975
DOI:10.1177/09544054231199520