Numerical Simulation of Natural Convection Heat Transfer of Nanofluid With Cu, MWCNT, and Al2O3 Nanoparticles in a Cavity With Different Aspect Ratios-Reference-Cited by-同舟云学术

Numerical Simulation of Natural Convection Heat Transfer of Nanofluid With Cu, MWCNT, and Al2O3 Nanoparticles in a Cavity With Different Aspect Ratios

Published:2019-06-12 Issue:6 Volume:11 Page:
ISSN:1948-5085
Container-title:Journal of Thermal Science and Engineering Applications
language:en
Short-container-title:

Author:

Goodarzi Hossein¹,Akbari Omid Ali²,Sarafraz Mohammad Mohsen³,Karchegani Majid Mokhtari⁴,Safaei Mohammad Reza⁵⁶,Sheikh Shabani Gholamreza Ahmadi²

Affiliation:

1. Young Researchers and Elite Club, Aligoudarz Branch, Islamic Azad University, Aligoudarz, Iran e-mail:

2. Young Researchers and Elite Club, Khomeinishahr Branch, Islamic Azad University, Khomeinishahr, Isfahan, Iran e-mail:

3. School of Mechanical Engineering, The University of Adelaide, South Australia, Australia e-mail:

4. Department of Mechanical Engineering, Khomeinishahr Branch, Islamic Azad University, Khomeinishahr, Iran e-mail:

5. Division of Computational Physics, Institute for Computational Science, Ton Duc Thang University, Ho Chi Minh City, Vietnam;

6. Faculty of Electrical and Electronics Engineering, Ton Duc Thang University, Ho Chi Minh City, Vietnam e-mail:

Abstract

Effect of the size of a closed cavity and different nanoparticles on natural convection heat transfer is investigated using the finite volume method. In the current numerical study, free convection of nanofluid with Cu, multi-walled carbon nanotubes, and Al2O3 nanoparticles is considered at Rayleigh numbers (Ra) of 10–100,000 inside a two-dimensional rectangular cavity with different aspect ratios. Results of this study show that in the presence of cooling fluid with low temperature and hot zone in the cavity, due to the temperature difference between the fluid and hot zone, heat transfer occurs. Heat transfer in the cavity is influenced by fluid circulation caused by natural convection heat transfer and conductive heat transfer mechanism.

Publisher

ASME International

Subject

Fluid Flow and Transfer Processes,General Engineering,Condensed Matter Physics,General Materials Science

Link

http://asmedigitalcollection.asme.org/thermalscienceapplication/article-pdf/doi/10.1115/1.4043809/6422246/tsea_11_6_061020.pdf

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