In the current paper, the three-dimensional air flow evolution around a circular cylinder is studied. The main aim is to control the flow field upstream and downstream of a circular cylinder by means of radial deformation. Within a particular step, one focuses on the response of the topological structures, which is developing in the cylinder near wake to applied pulsatile motion. Furthermore, a special care is considered to the aerodynamics forces behavior in adjusting the applied controlling strategy. The used controlling frequency range extends from f = 1fn = 17 Hz to f = 6fn = 102.21 Hz, which corresponds to a series of multiharmonic frequency varying from one to six times the natural vortex shedding frequency (VSF) in none forced wake. Throughout this work, the forcing amplitude is fixed at 16% of cylinder diameter and the Reynolds number as Re = 550. Through Fluent computational fluid dynamics (CFD) code and Matlab simulations, the obtained results showed a good accordance with the calculated ones.
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January 2015
Research-Article
Radial Deformation Frequency Effect on the Three-Dimensional Flow in the Cylinder Wake
Mohamed Aissa,
Mohamed Aissa
CDER/Unit of Applied Research
in Renewable Energy (CDER/URAER),
e-mail: mohamed.aissa28@yahoo.fr
in Renewable Energy (CDER/URAER),
Ghardaia
47133, Algeria
e-mail: mohamed.aissa28@yahoo.fr
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Ahcène Bouabdallah,
e-mail: abouab2002@yahoo.fr
Ahcène Bouabdallah
LTSE University of Sciences and Technology
Houari Boumedienne (USTHB)
,Algiers
16111, Algeria
e-mail: abouab2002@yahoo.fr
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Hamid Oualli
e-mail: houalli@gmail.com
Hamid Oualli
Fluid Mechanic Laboratory
,School Military Polytechnic (EMP)
,Bordj El-Bahri
16045, Algeria
e-mail: houalli@gmail.com
Search for other works by this author on:
Mohamed Aissa
CDER/Unit of Applied Research
in Renewable Energy (CDER/URAER),
e-mail: mohamed.aissa28@yahoo.fr
in Renewable Energy (CDER/URAER),
Ghardaia
47133, Algeria
e-mail: mohamed.aissa28@yahoo.fr
Ahcène Bouabdallah
LTSE University of Sciences and Technology
Houari Boumedienne (USTHB)
,Algiers
16111, Algeria
e-mail: abouab2002@yahoo.fr
Hamid Oualli
Fluid Mechanic Laboratory
,School Military Polytechnic (EMP)
,Bordj El-Bahri
16045, Algeria
e-mail: houalli@gmail.com
Contributed by the Fluids Engineering Division of ASME for publication in the JOURNAL OF FLUIDS ENGINEERING. Manuscript received January 6, 2014; final manuscript received July 10, 2014; published online September 10, 2014. Assoc. Editor: Mark F. Tachie.
J. Fluids Eng. Jan 2015, 137(1): 011104 (11 pages)
Published Online: September 10, 2014
Article history
Received:
January 6, 2014
Revision Received:
July 10, 2014
Citation
Aissa, M., Bouabdallah, A., and Oualli, H. (September 10, 2014). "Radial Deformation Frequency Effect on the Three-Dimensional Flow in the Cylinder Wake." ASME. J. Fluids Eng. January 2015; 137(1): 011104. https://doi.org/10.1115/1.4028008
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