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    Numerical study of performance of porous fin heat sink of functionally graded material for improved thermal management of consumer electronics

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    Publication date
    2019-07
    Author
    Oguntala, G.A.
    Sobamowo, G.
    Abd-Alhameed, Raed A.
    Noras, James M.
    Keyword
    Consumer electronics
    Functionally graded material
    Heatsink
    Porous fin
    Thermal management
    Heat transfer
    Heating systems
    Fluids
    Packaging
    Microprocessors
    Rights
    © 2019 IEEE. Reproduced in accordance with the publisher's self-archiving policy.
    Peer-Reviewed
    Yes
    
    Metadata
    Show full item record
    Abstract
    The ever-increasing demand for high performance electronic and computer systems has unequivocally called for increased microprocessor performance. However, increasing microprocessor performance requires increasing the power and on-chip power density of the microprocessor, both of which are associated with increased heat dissipation. In recent times, thermal management of electronic systems has gained intense research attention due to increased miniaturization trend in the electronics industry. In the paper, we present a numerical study on the performance of a convective-radiative porous heat sink with functionally graded material for improved cooling of various consumer electronics. For the theoretical investigation, the thermal property of the functionally graded material is assumed as a linear and power-law function. We solved the developed thermal models using the Chebyshev spectral collocation method. The effects of inhomogeneity index of FGM, convective and radiative parameters on the thermal behaviour of the porous heat sink are investigated. The present study shows that increase in the inhomogeneity index of FGM, convective and radiative parameter improves the thermal efficiency of the porous fin heat sink. Moreover, for all values of Nc and Rd, the temperature gradient along the fin of FGM is negligible compared to HM fin in both linear and power-law functions. For comparison, the thermal predictions made in the present study using Chebyshev spectral collocation method agrees excellently with the established results of Runge-Kutta with shooting and homotopy analytical method.
    URI
    http://hdl.handle.net/10454/16934
    Version
    Accepted manuscript
    Citation
    Oguntala GA, Sobamowo GM, Abd-Alhameed R et al (2019) Numerical study of performance of porous fin heat sink of functionally graded material for improved thermal management of consumer electronics. IEEE Transactions on Components, Packaging and Manufacturing Technology. 9(7): 1271-1283.
    Link to publisher’s version
    https://doi.org/10.1109/TCPMT.2019.2907150
    Type
    Article
    Collections
    Engineering and Informatics Publications

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