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Computational Thermal Sciences: An International Journal

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ISSN Imprimer: 1940-2503

ISSN En ligne: 1940-2554

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HYBRID INVESTIGATION OF THERMAL CONDUCTIVITY AND VISCOSITY CHANGEABLE WITH GENERATION/ABSORPTION HEAT SOURCE

Volume 14, Numéro 1, 2022, pp. 19-30
DOI: 10.1615/ComputThermalScien.2021039390
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Pooya Pasha
Department of Mechanical Engineering, Mazandaran University of Science and Technology, P.O. Box 47166-85635, Babol, Iran
Hossein Nabi
Department of Mechanical Engineering, Mazandaran University of Science and Technology, P.O. Box 47166-85635, Babol, Iran
Mohammad Mohsen Peiravi
Babol Noshirvani University of Technology
Davood Domiri Ganji
Department of Mechanical Engineering, Babol Noshirvani University of Technology, P.O. Box 47166-85635, Babol, Iran
http://sciencewatch.com/dr/ne/08decne

RÉSUMÉ

In this paper, we investigate changes in temperature and velocity using various flow parameters and study the effects of viscosity and conduction heat transfer in a vertical channel. The innovation of this paper is to study the conduction heat transfer and fluid velocity through a vertical channel with the finite element method (FEM) and Akbari−Ganji's method (AGM). The results obtained in the graphs for these methods and their comparisons with numerical method (NUM) indicate their acceptability and the appropriateness of the work. The same results show that velocity and temperature increase with an increase in thermal conductivity. By passing the flow from the hot plate to the cold plate, the temperature increases given the increase in viscosity, and an increase in viscosity in the channel, the velocity of the liquid decreases. By increasing the temperature and Prandtl number, the boundary layer thickness and fluid energy decreased. The maximum fluid velocity base on the Gr parameter is observed near the hot plate from x = to x = 0.2.

Figures

  • Schematic of thermal conductivity between horizontal plates with generation/absorption: (a) temperature profile, (b) velocity profile
  • Comparison of (a) the temperature, and (b) the velocity profile between AGM and numeric solution at Pr = 0.1, Ec = 1, S = 1, ε = −0.3, λ = −0.2, and Gr = 2
  • Comparison of (a) the temperature, and (b) the velocity profile between AGM and the FEM at Pr = 0.1, Ec = 1, S = 1, ε = −0.3, λ = −0.2, and Gr = 2
  • Comparison of (a) the temperature, and (b) the velocity profile by AGM at Pr = 0.1, Ec = 1, S = 1, ε = −0.3, and Gr = 2
  • Comparison of (a) temperature, and (b) velocity profile by AGM at Pr = 0.1, Ec = 1, S = 1, ε = −0.3, and λ = 0.2
  • Comparison of (a) temperature, and (b) velocity profile by AGM at Pr = 0.1, Ec = 1, Gr = 2, ε = −0.3, and λ = 0.2
  • Comparison of (a) the temperature, and (b) the velocity profile by AGM at Pr = 0.1, Ec = 1, S = 1, ε = −0.3, and λ = 2
  • Comparison of (a) temperature, and (b) velocity profile by FEM at Ec = 1, Gr = 2, ε = −0.3, and λ = 0.2
  • Comparison of (a) temperature, and (b) velocity profile by FEM at Ec = 1, Gr = 2, Pr = 0.1, and λ = 0.2
MOTS CLÉS: Akbari-Ganji's method, finite element method, thermal conductivity, variable viscosity changeable
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CITÉ PAR

  1. Haque B. M. Ikramul, Hossain M. M. Ayub, Zheng Sining, An Effective Solution of the Cube-Root Truly Nonlinear Oscillator: Extended Iteration Procedure, International Journal of Differential Equations, 2021, 2021. Crossref

  2. Wang Bingxian, Bai Chuanzhi, Xu M., Zhang L. P., Ganji Davood D., The Method Based on Series Solution for Identifying an Unknown Source Coefficient on the Temperature Field in the Quasiperiodic Media, International Journal of Differential Equations, 2021, 2021. Crossref

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  4. Abdollahzadeh Mohammad Javad, Fathollahi Reza, Pasha Pooya, Mahmoudi Meysam, Samimi Behbahan Amin, Domiri Ganji Davood, Surveying the hybrid of radiation and magnetic parameters on Maxwell liquid with TiO 2 nanotube influence of different blades , Heat Transfer, 51, 6, 2022. Crossref

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