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Entropy analysis and nanofluid past a double stretchable spinning disk using Homotopy Analysis Method

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  • Renuka, A.
  • Muthtamilselvan, M.
  • Doh, Deog-Hee
  • Cho, Gyeong-Rae

Abstract

The motivation of this current study is finding the viscous dissipation and Joule heating effect on the entropy analysis and flow of nanofluid through a two stretchable rotating disk using Buongiorno’s model. The geometry is considered as nanofluid filled with porous medium. Further, energy equation has been constructed by taking heat generation/absorption and radiation effects into consideration. Similarity transformations are utilized to convert the system of governing equations. The mathematical equations are solved numerically using homotopy analysis method. Thus, the impact of various applicable parameters is presented graphically through various profiles. Moreover, the rate of entropy generation decays for larger temperature ratio meanwhile opposite behavior is obtained on Bejan number. The rate of heat transport elevates at upper disk when we increase Eckert number and Reynolds number. Also rate of heat transport volume hikes with higher radiation parameter at lower and upper disk.

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  • Renuka, A. & Muthtamilselvan, M. & Doh, Deog-Hee & Cho, Gyeong-Rae, 2020. "Entropy analysis and nanofluid past a double stretchable spinning disk using Homotopy Analysis Method," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 171(C), pages 152-169.
    • Handle: RePEc:eee:matcom:v:171:y:2020:i:c:p:152-169
    DOI: 10.1016/j.matcom.2019.05.008
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    1. Bejan, Adrian, 1980. "Second law analysis in heat transfer," Energy, Elsevier, vol. 5(8), pages 720-732.
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    Cited by:

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    2. Bhandari, Anupam, 2020. "Study of ferrofluid flow in a rotating system through mathematical modeling," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 178(C), pages 290-306.

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