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纳米力学科学与技术:国际期刊
ESCI SJR: 1.031 SNIP: 1.517 CiteScore™: 0.7

ISSN 打印: 2572-4258
ISSN 在线: 2572-4266

纳米力学科学与技术:国际期刊

Formerly known as Nanomechanics Science and Technology: An International Journal

DOI: 10.1615/NanomechanicsSciTechnolIntJ.v4.i1.50
pages 67-78

A NOVEL LATTICE BOLTZMANN SIMULATION OF NATURAL CONVECTION IN NANOFLUIDS USING DIFFERENT VISCOSITY AND THERMAL CONDUCTIVITY MODELS

Ahmad Reza Rahmati
Department of Mechanical Engineering, University of Kashan, Kashan, Iran
Sayed Hossein Mousavi
Mechanical Engineering Department, Faculty of Engineering, University of Kashan, Kashan, Iran

ABSTRACT

Natural convection heat transfer and fluid flow in a two-dimensional enclosure filled with Cu−water nanofluid has been analyzed numerically. An incompressible generalized lattice Boltzmann method was utilized to solve the velocity field, while heat transfer was simulated using the single-relaxation−time lattice Boltzmann method (SRT-LBM). Different models were used to describe the viscosity and thermal conductivity of nanofluid. The results were compared to show the effect of these two parameters in numerical simulations.


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