Journal of Enhanced Heat Transfer Theory and Application in High Performance Heat and Mass Transfer

ISSN for PRINT: 1065-5131

For Online Access

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2004, Volume11

Issue 4

232 pages

DOI: 10.1615/JEnhHeatTransf.v11.i4

Issue price - $138.00

Li-Jun Yang
School of Energy and Power Engineering, Key Laboratory of Condition Monitoring and Control for Power Plant Equipment of Ministry of Education, North China Electric Power University, Beijing 102206, China

Jian-Xun Ren
School of Aerospace, Department of Engineering Mechanics, Key Laboratory of Enhanced Heat Transfer and Energy Conservation of Ministry of Education, Tsinghua University, Beijing 100084, P. R. China

Yaozu Song
Department of Engineering Mechanics, Key Laboratory of Enhanced Heat Transfer and Energy Conservation of Ministry of Education, Tsinghua University, Beijing 100084, P. R. China

The field coordination principle, as a kind of guiding rule for convection heat transfer enhancement, requires that the spanwise flows should be enhanced for the convection heat transfer of air in a rectangular channel. A magnetic quadrupole field acting on the air can drive its spanwise flow, and eight longitudinal vortices can consequently form. The velocity and temperature fields as well as the Nusselt numbers are all presented for fully developed flows at Reynolds numbers between 200 and 2000 by application of the magnetic quadrupole field. The field coordination number is used to evaluate the enhancement of convection heat transfer and shows that the longitudinal vortices can improve the coordination between the velocity and temperature fields, which results in the enhancement of heat transfer process.

DOI: 10.1615/JEnhHeatTransf.v11.i4.110 Download article, 331-340 pages

Article price - $35.00

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