Heat and Mass Transfer Analysis in Chemically Reacting Flow of Non-Newtonian Liquid with Local Thermal Non-Equilibrium Conditions: A Comparative Study

A. Alhadhrami, B. M. Prasanna, Rajendra Prasad K. C., K. Sarada and Hassan A. H. Alzahrani
Additional contact information
A. Alhadhrami: Department of Chemistry, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
B. M. Prasanna: Department of Chemistry, Jain Institute of Technology, Davanagere 577003, India
Rajendra Prasad K. C.: Department of Mathematics, Jain Institute of Technology, Davanagere 577003, India
K. Sarada: Department of Mathematics, Government City College, Hyderabad 500002, India
Hassan A. H. Alzahrani: Department of Chemistry, College of Science and Arts at Khulais, University of Jeddah, P.O. Box 355, Jeddah 21921, Saudi Arabia

Energies, 2021, vol. 14, issue 16, 1-15

Abstract: In the current paper, we endeavour to execute a numerical analysis in connection with the boundary layer flow induced in a non-Newtonian liquid by a stretching sheet with heat and mass transfer. The effects of chemical reactions and local thermal non-equilibrium (LTNE) conditions are considered in the modelling. The LTNE model is based on energy equations, and provides unique heat transfer for both liquid phases. As a result, different temperature profiles for both the fluid and solid phases are used in this work. The model equation system is reduced by means of appropriate similarity transformations, which are then numerically solved by employing the classical Runge–Kutta (RK) scheme along with the shooting method. The resultant findings are graphed to show the effects of various physical factors on the involved distributions. Outcomes reveal that Jeffrey fluid shows improved velocity for lower values of porosity when compared to Oldroyd-B fluid. However, for higher values of porosity, the velocity of the Jeffery fluid declines faster than that of the Oldroyd-B fluid. Jeffery liquid shows improved fluid phase mass transfer, and decays more slowly than Oldroyd-B liquid for higher values of chemical reaction rate parameter.

Keywords: local thermal non-equilibrium; porous medium; chemical reaction; Oldroyd-B and Jeffrey fluids (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
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