2002•Journal of the Institution of Engineers. India. Civil Engineering DivisionRequires access

Flow characteristics of diverging-converging bends using CFD

Rakesh Mishra, Sushil Patil, Sidh Nath Singh, V. Seshadri

Abstract

Experimental and numerical investigations have been carried out to understand the flow characteristics in long radius constant area and diverging-converging bends. The predictions from software code FLUENT show good agreement with the experimental results for pressure drops for single phase fluid. Further, effect of radius ratio and area ratio on pressure coefficient could be simulated fairly accurately. It has also been observed that the flow simulation for single phase is even helpful in unravelling the wide range of complex flow patterns in multiphase flow through constant area and diverging-converging bends.

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Key concepts: Mechanics, Computational fluid dynamics, Fluent, Flow (mathematics), RADIUS, Constant (computer programming), Range (aeronautics), Flow coefficient