Lattice Boltzmann Simulation of Mixed Convection in an Inclined Cavity with a Wavy Wall

Mohammad Jafari; Mousa Farhadi; Kurosh SedighiEhsan Fattahi

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Lattice Boltzmann Simulation of Mixed Convection in an Inclined Cavity with a Wavy Wall

机译：Lattice Boltzmann Simulation of Mixed Convection in an Inclined Cavity with a Wavy Wall

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摘要

In the present study, the effect of inclination on mixed convection heat transfer and fluid flow in a lid-driven cavity with a wavy wall is investigated using the lattice Boltzmann method. The double-population approach with second-order accuracy at velocity and temperature fields is used to simulate the curved boundary in the lattice Boltzmann method. The problem is investigated for different Richardson numbers (0.1≤Ri≤10), curve amplitudes (0.05≤A≤0.25), and inclination angles (0≤θ≤180) when the Reynolds number is equal to 100. Results show that the inclination phenomenon has important effects on both flow and temperature fields at high Richardson numbers. It is also found that the inclination loses its role on mixed convection heat transfer from the wavy wall by the increase of the curve amplitude of the wavy wall for all Richardson numbers.

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来源
《Heat transfer Asian research》 |2012年第5期|371-387|共17页
作者
Mohammad Jafari; Mousa Farhadi; Kurosh SedighiEhsan Fattahi;
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作者单位

Faculty of Mechanical Engineering, Babol University of Technology;

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收录信息美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类一般性问题;
关键词
Lattice Boltzmann method (LBM); Inclination; Wavy surface; Richardson number; Nusselt number; Lid-driven cavity;

Lattice Boltzmann Simulation of Mixed Convection in an Inclined Cavity with a Wavy Wall

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