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Heat Transfer Research
Импакт фактор: 0.404 5-летний Импакт фактор: 0.8 SJR: 0.264 SNIP: 0.504 CiteScore™: 0.88

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

Выпуски:
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.2013005101
pages 241-262

LATTICE BOLTZMANN SIMULATION OF FORCED CONVECTION OVER AN ELECTRONIC BOARD WITH MULTIPLE OBSTACLES

Javad Alinejad
Center of Excellence on Modeling and Control Systems (CEMCS) and Department of Mechanical Engineering, Ferdowsi University of Mashhad, Mashhad 91775-1111, Iran
Javad Abolfazli Esfahani
Ferdowsi University of Mashhad

Краткое описание

Forced convection heat transfer over an electronic board mounted with several shapes of obstacles, consisting of three cylinders and three cubes, is investigated using the lattice Boltzmann method (LBM). Incompressible flow of field through the obstacles over a sheet is assumed. The simulations are performed at Pr = 0.71. Studies are carried out for flow, with Reynolds numbers ranging from 250 to 1000. Uniform heat fluxes through the base of obstacles are assumed. Results show that LBM is suitable for the study of heat transfer in forced convection problems. Results indicate that an increase in Reynolds number yields to the removal of a higher quantity of energy from obstacle faces. Results also show that reducing the distance between obstacles makes the flow deviate and accelerate in the vicinity of faces and causes an increase in the rate of convective heat transfer from obstacles.


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