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research-article

ISPH SIMULATION OF MIXED CONVECTION IN AN INCLINED A NANOFLUID FILLED-CAVITY SATURATED WITH A PARTIALLY LAYERED POROUS MEDIUM

[+] Author and Article Information
Abdelraheem Mahmoud Aly

Department of Mathematics, Faculty of science, Abha, King Khalid University, Saudi Arabia; Department of Mathematics, Faculty of Science, South Valley University, Qena, Egypt
abdelreheam.abdallah@sci.svu.edu.eg

Zehba Raizah

Department of Mathematics, Faculty of science, Abha, King Khalid University, Saudi Arabia
zhbarizah@hotmail.com

1Corresponding author.

ASME doi:10.1115/1.4042352 History: Received September 01, 2018; Revised December 10, 2018

Abstract

The contribution of the current study is to investigate the mixed convection in an inclined nanofluid filled-cavity saturated with a partially layered non-Darcy porous medium. Moreover, due to the advantage of the particle-based methods, we presented the improved version of an incompressible smoothed particle hydrodynamics (ISPH) method. The current ISPH method was improved in boundary conditions treatment using renormalization kernel function. In the current investigation, we assumed that the inclined cavity is filled with a Cu-water nanofluid. The upper half of the cavity is saturated with a non-Darcy porous medium. Here, one domain approach is used for coupling the nanofluid and the porous medium layer. The cooled top wall of the cavity is carrying a tangential unit velocity and the bottom wall is heated. The other two wall sides are adiabatic at zero velocity. Here, we investigated the effects of the Richardson parameter Ri(0.0001-100), Darcy parameter Da (?10?^(-5)-?10?^(-2) ), an inclination angle a (0°-90°) and a various solid volume fraction ?(0-0.05) on the heat transfer of a Cu-water nanofluid. The obtained results showed that the average Nusselt number decreases as the Richardson number increases. An addition of 1% to 5% Cu nanoparticles slightly increased the overall heat transfer rate.

Copyright (c) 2018 by ASME
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