CFD Analysis of recirculating flows induced by Axial Swirler

CFD Analysis of recirculating flows induced by Axial Swirler
Authors : P. Muthukumar, S. R. Balakrishnan
Publication Date: 01-06-2013


Author(s):  P. Muthukumar, S. R. Balakrishnan

Published in:   International Journal of Engineering Research & Technology

License:  This work is licensed under a Creative Commons Attribution 4.0 International License.

Website: www.ijert.org

Volume/Issue:   Vol.2 - Issue 6 (June - 2013)

e-ISSN:   2278-0181


The main objective of this paper is to investigate the flow through axial Swirler. Air swirler can control the combustor performance by assisting in the fuel-air mixing process and producing recirculation region which act as flame holders and influences residence time. Such analyses are necessary for predictions and optimization of real gas combustors Thus, proper selection of a swirler is needed to enhance combustor performance and to reduce NOx emissions. Four different axial air swirlers were used based on their vane angles i.e., 30?, 40?, 50?, 60?.The model geometry has been created using CATIA Software, meshing and analysis were carried out in Ansys ? Fluent 13.The K-? and RSM (Reynolds stress model) turbulence model are to be used to model the turbulence and results were compared for the effect of swirlers and mass flow rate on the flow field.


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