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

Goodarzi, Hossein, Akbari, Omid Ali, Sarafraz, Mohammad Mohsen, Karchegani, Majid Mokhtari, Safaei, Mohammad Reza and Sheikh Shabani, Gholamreza Ahmadi 2019, Numerical Simulation of Natural Convection Heat Transfer of Nanofluid with Cu, MWCNT, and Al2O3 Nanoparticles in a Cavity with Different Aspect Ratios, Journal of Thermal Science and Engineering Applications, vol. 11, no. 6, doi: 10.1115/1.4043809.

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Title Numerical Simulation of Natural Convection Heat Transfer of Nanofluid with Cu, MWCNT, and Al2O3 Nanoparticles in a Cavity with Different Aspect Ratios
Author(s) Goodarzi, Hossein
Akbari, Omid Ali
Sarafraz, Mohammad MohsenORCID iD for Sarafraz, Mohammad Mohsen orcid.org/0000-0002-6347-0216
Karchegani, Majid Mokhtari
Safaei, Mohammad Reza
Sheikh Shabani, Gholamreza Ahmadi
Journal name Journal of Thermal Science and Engineering Applications
Volume number 11
Issue number 6
Article ID 061020
Total pages 4
Publisher American Society of Mechanical Engineers
Place of publication New York, N.Y.
Publication date 2019-12
ISSN 1948-5085
1948-5093
Keyword(s) Science & Technology
Physical Sciences
Technology
Thermodynamics
Engineering, Mechanical
Engineering
SQUARE CAVITY
Summary 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.
Language eng
DOI 10.1115/1.4043809
Indigenous content off
HERDC Research category C1.1 Refereed article in a scholarly journal
Persistent URL http://hdl.handle.net/10536/DRO/DU:30142878

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