Buoyancy- and thermocapillary-induced convection of cold water in an open enclosure with variable fluid properties

S. Sivasankaran, C. J. Ho

研究成果: Article同行評審

12 引文 斯高帕斯(Scopus)

摘要

The aim of the present study is to investigate the buoyancy- and thermocapillary-induced convection of water near its density maximum in an enclosure with temperature-dependent properties. The viscosity and thermal conductivity of the water are varied with reference temperature. The governing equations are solved by the finite-volume method. The results are discussed for various values of reference temperature parameter, density inversion parameter, and Rayleigh and Marangoni numbers. It is observed that the temperature of maximum density leaves strong effects on flow and heat transfer due to the formation of bi-cellular structure and reduction of the average heat transfer. It is also observed that convection heat transfer is enhanced by thermocapillary force when buoyancy force is weaken.

原文English
頁(從 - 到)457-474
頁數18
期刊Numerical Heat Transfer; Part A: Applications
58
發行號6
DOIs
出版狀態Published - 2010

All Science Journal Classification (ASJC) codes

  • 數值分析
  • 凝聚態物理學

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