Thermal convection in a chamber filled with a nanosuspension driven by a chemical reaction using Tiwari and Das’ model

Abstract

Purpose

The purpose of this paper is to study numerically the steady thermal convection in a chamber filled with a nanoliquid affected by a chemical reaction using the single-phase nanofluid approximation.

Design/methodology/approach

Water was considered as a host fluid while nanoparticles are aluminum oxide. Homogeneous reactions are analyzed. The nonlinear partial differential equations describing the considered problem are simulated using the finite difference technique.

Findings

The results of streamlines, isotherms, isoconcentrations, nanofluid flow rate, mean Nusselt and Sherwood numbers are discussed. The data demonstrate that the mean Sherwood number increases with the homogeneous reaction rate. Further, nanofluid flow rate can be increased with nanoparticles concentration for high Rayleigh numbers owing to the homogeneous chemical reaction inside the cavity.

Originality/value

Searching the existent references illustrates that the homogeneous-heterogeneous reactions influence on the nanoliquid motion and energy transport within enclosures has not been investigated before. The results of this paper are completely original and the numerical results of the present paper were never published by any researcher.

Citation

Sheremet, M.A., Grosan, T. and Pop, I. (2021), "Thermal convection in a chamber filled with a nanosuspension driven by a chemical reaction using Tiwari and Das’ model", International Journal of Numerical Methods for Heat & Fluid Flow, Vol. 31 No. 1, pp. 452-470. https://doi.org/10.1108/HFF-05-2020-0282