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Title: Multigrid CCDPIV measurements of accelerated flow past an airfoil at an angle of attack of 30°
Authors: Soria, J.
New, T.H. 
Lim, T.T. 
Parker, K.
Keywords: Accelerated flow
Multigrid CCDPIV
Separated flow
Unsteady aerodynamics
Issue Date: May-2003
Citation: Soria, J., New, T.H., Lim, T.T., Parker, K. (2003-05). Multigrid CCDPIV measurements of accelerated flow past an airfoil at an angle of attack of 30°. Experimental Thermal and Fluid Science 27 (5) : 667-676. ScholarBank@NUS Repository.
Abstract: Multigrid cross-correlation digital PIV (MCCDPIV) technique is used to measure the flow field around a NACA 0015 airfoil at a 30° angle of attack when the flow is accelerated to a constant velocity from a quiescent state. The experiments were conducted in an acceleration water tunnel using uniform accelerations of 50 and 100 mm/s2. The final uniform velocity was 100 mm/s for both cases, and the Reynolds number based on this velocity and the chord length of the airfoil was about 8000. The MCCDPIV measurements were carried out using a digital 2048 px × 2048 px CCD camera to record single exposed images of seed particles illuminated with a Nd:YAG laser. These measurements have revealed a rich and complex unsteady flow structure, during both the acceleration phase and the constant velocity post- acceleration phase. © 2002 Elsevier Science Inc. All rights reserved.
Source Title: Experimental Thermal and Fluid Science
ISSN: 08941777
DOI: 10.1016/S0894-1777(02)00282-0
Appears in Collections:Staff Publications

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