Effect of multiple pairs of vortex generators on the thermal performance of plate fin heat sink

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dc.contributor.authorSanthanakrishnan, Mani Sekaran
dc.date.accessioned2023-06-22T12:45:23Z
dc.date.available2023-06-22T12:45:23Z
dc.date.issued2023-06-03
dc.description.abstractIn this paper, the heat transfer characteristics of multiple pairs of vortex generators (VG) mounted on vertical plate fins of plate fin heat sink (PFHS) are evaluated using computational fluid dynamic simulations. The delta winglet pairs are used as longitudinal VGs, and they are mounted one after the other in the axial direction. Critical design parameters for the double pair of VGs (DPVGs) are identified, and a design of experiment-based simulations is carried out to develop a response surface model for Nusselt number and thermal hydraulic performance parameter. Results show winglet length is a critical design parameter compared with winglet height, and the axial inter VG distance between VG pairs plays a crucial role in improving the heat transfer characteristics. The optimum inter VG distance for a double pair of VG is evaluated, and it is 2.2 to 3 times the length of the delta-winglet. Thermal hydraulic performance of PFHS with double pair of VG is 1.49 times higher than that of plain PFHS. Finally, the variation of heat transfer characteristics against velocity is also evaluated for the PFHS with a DPVG.en_UK
dc.identifier.citationSanthanakrishnan MS. (2023) Effect of multiple pairs of vortex generators on the thermal performance of plate fin heat sink, Journal of Mechanical Science and Technology, Volume 37, Issue 6, June 2023, pp.3185-3195en_UK
dc.identifier.issn1738-494X
dc.identifier.urihttps://doi.org/10.1007/s12206-023-0542-2
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/19851
dc.language.isoenen_UK
dc.publisherSpringeren_UK
dc.subjectplate fin heat sinken_UK
dc.subjectvortex generatorsen_UK
dc.subjectheat exchangersen_UK
dc.subjectresponse surface modelen_UK
dc.titleEffect of multiple pairs of vortex generators on the thermal performance of plate fin heat sinken_UK
dc.typeArticleen_UK

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