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Enhancement of convective heat transfer in an air-cooled heat exchanger using interdigitated impeller blades
Journal article   Peer reviewed

Enhancement of convective heat transfer in an air-cooled heat exchanger using interdigitated impeller blades

Jon M. Allison, Wayne L. Staats, Matthew McCarthy, David Jenicek, Ayaboe K. Edoh, Jeffrey H. Lang, Evelyn N. Wang and J. G. Brisson
International journal of heat and mass transfer, v 54(21-22), pp 4549-4559
01 Oct 2011
DOI: https://doi.org/10.1016/j.ijheatmasstransfer.2011.06.023
Featured in Collection :   UN Sustainable Development Goals @ Drexel

Abstract

Engineering Engineering, Mechanical Mechanics Physical Sciences Science & Technology Technology Thermodynamics
The enhancement of convective heat transfer through a finned heat sink using interdigitated impeller blades is presented. The experimentally investigated heat sink is a subcomponent of an unconventional heat exchanger with an integrated fan, designed to meet the challenges of thermal management in compact electronic systems. The close integration of impeller blades with heat transfer surfaces results in a decreased thermal resistance per unit pumping power. The performance of the parallel plate air-cooled heat sink was experimentally characterized and empirically modeled in terms of nondimensional parameters. Dimensionless heat fluxes as high as 48 were measured, which was shown to be about twice the heat transfer rate of a traditional heat sink design using pressure-driven air flow at the same mass flow rate. (C) 2011 Elsevier Ltd. All rights reserved.

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12 citations in Web of Science
11 citations in Scopus

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Web of Science research areas
Engineering, Mechanical
Mechanics
Thermodynamics
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