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Virtual investigation of plume behavior from a heated eccentric annulus cylinder

Che Sidek, Nor Azwadi (2010) Virtual investigation of plume behavior from a heated eccentric annulus cylinder. In: Recent Advances And Applications Of Computer Engineering - Proceedings Of The 9Th Wseas International Conference (ACE 10) , 2010, Penang, Malaysia.

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Abstract

In this paper, a double-population thermal lattice Boltzmann was applied to solve two dimensional, incompressible, thermal fluid flow problem. The simplest lattice BGK D2Q4 model was applied to determine the temperature field while D2Q9 for the density and velocity fields. The simulation of natural convection from a concentrically and eccentrically placed inner heated cylinder inside cold outer cylinder with Prandtl number 0.71 and Rayleigh number 5 × 105 were carried out and discussed quantitatively. It was observed that the combination of D2Q4 and D2Q9 was able to reproduce the effect of buoyancy force in the system and excellent comparisons with previous studies.

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:double population, lattice boltzmann, distribution function, BGK collision, natural convection
Subjects:T Technology > TJ Mechanical engineering and machinery
Divisions:Mechanical Engineering
ID Code:27968
Deposited By: Liza Porijo
Last Modified:28 Aug 2012 05:50

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