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Heat Transfer Research
Импакт фактор: 1.199 5-летний Импакт фактор: 1.155 SJR: 0.267 SNIP: 0.503 CiteScore™: 1.4

ISSN Печать: 1064-2285
ISSN Онлайн: 2162-6561

Выпуски:
Том 51, 2020 Том 50, 2019 Том 49, 2018 Том 48, 2017 Том 47, 2016 Том 46, 2015 Том 45, 2014 Том 44, 2013 Том 43, 2012 Том 42, 2011 Том 41, 2010 Том 40, 2009 Том 39, 2008 Том 38, 2007 Том 37, 2006 Том 36, 2005 Том 35, 2004 Том 34, 2003 Том 33, 2002 Том 32, 2001 Том 31, 2000 Том 30, 1999 Том 29, 1998 Том 28, 1997

Heat Transfer Research

DOI: 10.1615/HeatTransRes.v40.i8.60
pages 805-819

Natural Convection in a Cavity with Orthogonal Heat-Generating Baffles of Different Lengths

S. Saravanan
UGC-DRS Center for Fluid Dynamics, Department of Mathematics, Bharathiar University, Coimbatore 641 046, Tamil Nadu, India
A. K. Abdul Hakeem
UGC-DRS Center for Fluid Dynamics, Department of Mathematics, Bharathiar University, Coimbatore 641 046, INDIA
Prem Kumar Kandaswamy
UGC-DRS Center for Fluid Dynamics, Department of Mathematics, Bharathiar University, Coimbatore-641046, Tamil Nadu, India; Department of Mechanical Engineering, Yonsei University, Seoul, South Korea

Краткое описание

Natural convection in a closed square cavity induced by two mutually orthogonal heat-generating baffles is considered. A numerical investigation is made to understand the effect of baffle dimensions on the resulting heat transfer characteristics. The coupled nonlinear governing equations were solved by the finite difference method using the Alternating Direction Implicit technique and the Successive Over-Relaxation method. The results obtained indicate that the flow and temperature fields strongly depend on the dimensions of heat-generating baffles. It is found that when both baffles are mounted inside the cavity an increase in the length of any of the baffle results in a proportionate increase in the overall heat transfer rate. But no significant changes in the overall heat transfer rate occur for different positions of the baffles. When the vertical baffles is mounted on the cavity wall it extracts heat energy from the cavity and behaves like a cold wall for an increase in its length. The study provides additional basic design information during fabrication in microelectronics industry.

ЛИТЕРАТУРА

  1. Ha, M. Y., Jung, M. J., and Kim, Y. S., A numerical study on transient heat transfer and fluid flow of natural convection in an enclosure with a heat-generating conducting body.

  2. Ha, M. Y., Kim, I. K., Yoon, H. S., Yoon, K. S., and Lee, J. R., Two-dimensional and unsteady natural convection in a horizontal enclosure with a square body.

  3. Lee, J. R. and Ha, M. Y., A numerical study of natural convection in a horizontal enclosure with a conducting body.

  4. Barozzi, G. B. and Corticelli, M. A., Natural convection in cavities containing internal sources.

  5. Deng, Q. H., Tang, G. F., Li, Y. and Ha, M. Y., Interaction between discrete heat sources in horizontal natural convection enclosure.


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