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Numerical investigation of fluid and thermal flow in a differentially heated side enclosure walls at various inclination angles

Shahrul Azmir, Osman and Azwadi, C. S. N. and Izual, N. I. N. (2010) Numerical investigation of fluid and thermal flow in a differentially heated side enclosure walls at various inclination angles. In: EMESEG'10: Proceedings of the 3rd WSEAS International Conference on Engineering Mechanics, Structures, Engineering Geology.

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Abstract

The thermal and fluid flow behavior inside a differentially heated side enclosure walls with various inclination angles were studied numerically using the mesoscale lattice Boltzmann scheme. Two three different dimensionless Rayleigh numbers were used, and the dimensionless Prandtl number of 0.71 was set to simulate the circulation of air in the system. We found that the number, size and shape of the vortices in the enclosure significantly affected by the Rayleigh number and inclination angle of the enclosure. The plots of temperature lines and the average Nusselt number in the enclosure clearly depicted the temperature distribution as a function of Rayleigh number and inclination angles.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: BGK collision; distribution function; double population; lattice Boltzmann; natural convection
Subjects: T Technology > TA Engineering (General). Civil engineering (General) > TA349-359 Mechanics of engineering. Applied mechanics
Divisions: Faculty of Mechanical and Manufacturing Engineering > Department of Plant and Automotive Engineering
Depositing User: Normajihan Abd. Rahman
Date Deposited: 16 Apr 2013 03:42
Last Modified: 16 Apr 2013 03:42
URI: http://eprints.uthm.edu.my/id/eprint/3586
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