Bulletin of the American Physical Society
71st Annual Meeting of the APS Division of Fluid Dynamics
Volume 63, Number 13
Sunday–Tuesday, November 18–20, 2018; Atlanta, Georgia
Session A15: Wakes and Separation Bubbles
8:00 AM–9:44 AM,
Sunday, November 18, 2018
Georgia World Congress Center
Room: B302
Chair: Michael Plesniak, George Washington University
Abstract ID: BAPS.2018.DFD.A15.3
Abstract: A15.00003 : Experimental Investigations of Flow Past Axially-Aligned Cylinders*
8:26 AM–8:39 AM
Presenter:
Pasquale Carlucci
(U. S. Army ARDEC)
Authors:
Pasquale Carlucci
(U. S. Army ARDEC)
Liam Buckley
(U. S. Army ARDEC)
Igbal Mehmedagic
(U. S. Army ARDEC)
Donald Carlucci
(U. S. Army ARDEC)
Siva Thangam
(Stevens Institute of Technology)
Turbulent flow past spinning cylinders whose axis is aligned with the mean flow is investigated experimentally. Such flows are of common occurrence in projectiles, missiles and munitions and the modeling and the prediction of flow field is crucial for effective design. The objective of this study is to examine the flow over the cylinders and in their wakes to characterize the flow field and the flow separation to provide a better understanding of the force field over the cylinders. The experiments were conducted at Reynolds numbers of 60,000 and 100,000 with rotation numbers of up to 2 (based on cylinder diameter). Time-averaged mean flow and turbulence profiles in the wake flow are presented with and without spin along with comparison to published experimental data. The results are compared with the available data in the literature.
*Funded in part by U. S. Army ARDEC, Picatinny Arsenal, NJ
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.DFD.A15.3
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