Author(s): Arjun K Sunil, Anil Mahwar

Email(s): arjunks1000@gmail.com , anilmsunrise@gmail.com

DOI: 10.5958/2321-581X.2016.00029.5   

Address: Mr. Arjun K Sunil1, Dr. Anil Mahwar2
1Ph.D. Scholar, SunRise University, Alwar, Rajasthan
2Professor, SunRise University, Alwar, Rajasthan
*Corresponding Author

Published In:   Volume - 7,      Issue - 4,     Year - 2016


ABSTRACT:
This study focuses on the simulation of flow around a simple circular cylinder with various aspect ratios (1:2 to 1:8), in which unsteady nature and vortex shedding of flow are commonly found, using Computational Fluid Dynamics. Various turbulence models have been tested to develop understanding and proper modelling techniques for the flow around such bodies. The Detached Eddy Simulation is found to be a suitable turbulence model for the simulation of the flow. All simulations, have provided the necessary skills and knowledge for the investigation using Computational Fluid Dynamics. Satisfactory results have been observed for the simulation of the flow around a circular cylinder using Large Eddy Simulation (space filtering model) and Detached Eddy Simulation models (SST-DES model). Vortex shedding phenomenon has been successfully captured by Large Eddy Simulation and Detached Eddy Simulation models for the flow around a circular cylinder. Through comparative study with experimental work, the turbulence models, Large Eddy Simulation and Detached Eddy Simulation have been successfully validated at Reynolds number 3900. Detached Eddy Simulation saved about 1.5 to 2.5 times of computational time than Large Eddy Simulation in the simulations of the flow around circular cylinder with lower Reynolds number.


Cite this article:
Arjun K Sunil, Anil Mahwar. Large and Detached Eddy Simulation of Flow around a Circular Cylinder. Research J. Engineering and Tech. 2016; 7(4): 167-174. doi: 10.5958/2321-581X.2016.00029.5


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DOI: 10.5958/2321-581X 


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