Academic Research Publishing Agency Press
International Journal of Research and Reviews in Applied Sciences
ISSN: 2076-734X, EISSN: 2076-7366

Volume 32, Issue 2(August, 2017)

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1. HEAT TRANSFER AND FLUID FLOW PROPERTIES ACROSS A BLUFF BODY AT MODERATE REYNOLD NUMBER
by Shehnaz Akhtar & Farzeen Shahid
Abstract

Fluid flow past bluff bodies (such as circle or square cylinder) is of great concern in previously published literature because of its in engineering applications. TPL (tension leg platform), wires, towers, suspension bridges off-shore structures, tall buildings, piers all of these are constantly subjected to variable fluid flow load. When fluid flow across these objects/structures flow is separated from the main flow direction and creates a large low pressure zone (wake) downstream of these objects. Vortices are shed in the wake region thus causing velocity fluctuations in the low pressure zone and give rise to unsteady drag and lift forces. Now if the vortex shedding frequency matches the natural frequency of the object the phenomenon of resonance will occur that will cause vibration in the structure or ultimately it will come to failure. Heat transfer across bluff bodies which are subjected to vortex shedding has many applications including, electronic cooling components and heat exchanger.

Source: International Journal of Research and Reviews in Applied Sciences
July 2017-- Vol. 32 Issue 1-- 2017













Academic Research Publishing Agency Press