To read the full version of this content please select one of the options below:

Study on fluid flow and heat transfer in fluid channel filled with KKL model-based nanofluid during natural convection using FVM

Yongsheng Rao (Institute of Computing Science and Technology, Guangzhou University, Guangzhou, China)
Zehui Shao (Institute of Computing Science and Technology, Guangzhou University, Guangzhou, China)
Alireza Rahimi (Faculty of Energy, University of Kashan, Kashan, Iran)
Abbas Kasaeipoor (Faculty of Engineering, Department of Mechanical Engineering, University of Isfahan, Isfahan, Iran)
Emad Hasani Malekshah (School of Mathematical Sciences, University of Adelaide Faculty of Engineering Computer and Mathematical Sciences, Adelaide, Australia)

International Journal of Numerical Methods for Heat & Fluid Flow

ISSN: 0961-5539

Publication date: 5 August 2019

Abstract

Purpose

A comprehensive study on the fluid flow and heat transfer in a nanofluid channel is carried out. The configuration of the channel is as like as quarter channel. The channel is filled with CuO–water nanofluid.

Design/methodology/approach

The Koo–Kleinstreuer–Li model is used to estimate the dynamic viscosity and consider the Brownian motion. On the other hand, the influence of nanoparticles’ shapes on the heat transfer rate is considered in the simulations. The channel is included with the injection pipes which are modeled as active bodies with constant temperature in the 2D simulations.

Findings

The Rayleigh number, nanoparticle concentration and the thermal arrangements of internal pipes are the governing parameters. The hydrothermal aspects of natural convection are investigation using different approaches such as average Nusselt number, total entropy generation, Bejan number, streamlines, temperature fields, local heat transfer irreversibility, local fluid friction irreversibility and heatlines.

Originality/value

The originality of this work is investigation of fluid flow, heat transfer, entropy generation and heatline visualization within a nanofluid-filled channel using a finite volume method.

Keywords

Acknowledgements

This work is Key Supported Disciplines of Guizhou Province Computer Application Technology (No. QianXueWeiHeZi ZDXX[2016]20).

Citation

Rao, Y., Shao, Z., Rahimi, A., Kasaeipoor, A. and Hasani Malekshah, E. (2019), "Study on fluid flow and heat transfer in fluid channel filled with KKL model-based nanofluid during natural convection using FVM", International Journal of Numerical Methods for Heat & Fluid Flow, Vol. 29 No. 8, pp. 2622-2641. https://doi.org/10.1108/HFF-09-2018-0496

Publisher

:

Emerald Publishing Limited

Copyright © 2019, Emerald Publishing Limited