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On the Use of Commercial CFD Software in the Study of Unsteady Aerodynamic Flows Around Oscillating Airfoils

[+] Author Affiliations
Bamidele A. Sangolola, Stephen P. Lakey

University of Salford, Greater Manchester, UK

Paper No. ESDA2006-95498, pp. 561-571; 11 pages
  • ASME 8th Biennial Conference on Engineering Systems Design and Analysis
  • Volume 1: Advanced Energy Systems, Advanced Materials, Aerospace, Automation and Robotics, Noise Control and Acoustics, and Systems Engineering
  • Torino, Italy, July 4–7, 2006
  • ISBN: 0-7918-4248-7 | eISBN: 0-7918-3779-3
  • Copyright © 2006 by ASME


Numerical simulations have been conducted to simulate the flow over an oscillating NACA 0012 airfoil operating at various Mach numbers, oscillatory frequencies and mean angles of attack, for nominally attached flow conditions. The simulations have been carried out using the ANSYS-CFX5 flow solver, to assess the performance of this tool in conducting unsteady aerodynamic analysis of this nature. Numerical results are compared to the experimental work of Landon, and discussed in relation to previous numerical studies. Overall a good agreement is found for the majority of cases, however, a number of discrepancies have been noted and discussed, particularly regarding simulation of high mean incidence angles and subsonic Mach numbers.

Copyright © 2006 by ASME



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