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Effect of channel-confinement and aiding/opposing buoyancy on the two-dimensional laminar flow and heat transfer across a square cylinder

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Title Effect of channel-confinement and aiding/opposing buoyancy on the two-dimensional laminar flow and heat transfer across a square cylinder
 
Creator SHARMA, ATUL
ESWARAN, V
 
Subject buoyancy
channel flow
heat transfer
laminar flow
 
Description The effect of channel-confinement of various degree (blockage ratio of 10%, 30% and 50%) on the upward flow and heat transfer characteristics around a heated/cooled square cylinder is studied by considering the effect of aiding/opposing buoyancy at −1 less-than-or-equals, slant Ri less-than-or-equals, slant 1, for Re = 100 and Pr=0.7. With increasing blockage ratio, the minimum heating (critical Ri) required for the suppression of vortex shedding decreases up to a certain blockage ratio (=30%), but thereafter increases. The influence of buoyancy and channel-confinement on the recirculation length, drag and lift coefficient, pumping power, Strouhal number and heat transfer from the cylinder, is also investigated.
 
Publisher Elsevier
 
Date 2009-04-21T14:09:17Z
2011-11-25T21:04:36Z
2011-12-26T13:08:41Z
2011-12-27T05:33:59Z
2009-04-21T14:09:17Z
2011-11-25T21:04:36Z
2011-12-26T13:08:41Z
2011-12-27T05:33:59Z
2005
 
Type Article
 
Identifier International Journal of Heat and Mass Transfer 48(25-26), 5310-5322
0017-9310
http://dx.doi.org/10.1016/j.ijheatmasstransfer.2005.07.027
http://hdl.handle.net/10054/1183
http://dspace.library.iitb.ac.in/xmlui/handle/10054/1183
 
Language en