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Numerical examination for entropy generation of turbulent nanomaterial flow using complex turbulator in a solar collector

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  • Farshad, Seyyed Ali
  • Sheikholeslami, M.

Abstract

Influences of inserted turbulator on heat transfer and irreversibility have been scrutinized. The simulations have been carried out by using finite volume method for various diameter ratio and revolution. All models were examined under turbulent flow regime with involving alumina nanomaterial as testing fluid. Components of entropy generation were exhibited as contours and 3D profiles. Outputs prove that by augmenting friction due to augmenting inlet velocity, the amount of Bejan number declines Efficacy of pumping power is more significant for greater values of diameter ratio.

Suggested Citation

  • Farshad, Seyyed Ali & Sheikholeslami, M., 2020. "Numerical examination for entropy generation of turbulent nanomaterial flow using complex turbulator in a solar collector," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 550(C).
    • Handle: RePEc:eee:phsmap:v:550:y:2020:i:c:s0378437119321831
    DOI: 10.1016/j.physa.2019.123951
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    References listed on IDEAS

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    1. Farshad, Seyyed Ali & Sheikholeslami, M., 2019. "Nanofluid flow inside a solar collector utilizing twisted tape considering exergy and entropy analysis," Renewable Energy, Elsevier, vol. 141(C), pages 246-258.
    2. Sivasankaran, S. & Alsabery, A.I. & Hashim, I., 2018. "Internal heat generation effect on transient natural convection in a nanofluid-saturated local thermal non-equilibrium porous inclined cavity," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 509(C), pages 275-293.
    3. Sheikholeslami, M. & Jafaryar, M. & Shafee, Ahmad & Li, Zhixiong, 2019. "Simulation of nanoparticles application for expediting melting of PCM inside a finned enclosure," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 523(C), pages 544-556.
    4. Jovic, Srdjan & Kalaba, Dragan & Zivkovic, Predrag & Virijevic, Aleksandar, 2019. "Potential of adaptive neuro-fuzzy methodology for investigation of heat transfer enhancement of a minichannel heat sink," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 523(C), pages 516-524.
    5. Farshad, Seyyed Ali & Sheikholeslami, M., 2019. "Simulation of nanoparticles second law treatment inside a solar collector considering turbulent flow," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 525(C), pages 1-12.
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