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Proceedings Paper

Aero-optical analysis of turbulent boundary layer and separated shear layer using large-eddy simulation
Author(s): Kan Wang; Meng Wang
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Paper Abstract

The aero-optical effects of turbulent boundary layers and separated shear layers are analyzed using the fluctuating density field obtained from large-eddy simulations. The similarities and differences in optical distortions caused by attached boundary layers and separated shear layers are discussed. The numerical database is further used to simulate Malley probe measurements and investigate its accuracy in terms of OPDrms, correlation lengths, and the effects of aperture size and unsteady tilt removal. The use of multiple Malley probes in the transverse direction of the flow is examined to assess its capability to enhance the accuracy of measurements.

Paper Details

Date Published: 15 May 2012
PDF: 15 pages
Proc. SPIE 8395, Acquisition, Tracking, Pointing, and Laser Systems Technologies XXVI, 83950D (15 May 2012); doi: 10.1117/12.923500
Show Author Affiliations
Kan Wang, Univ. of Notre Dame (United States)
Meng Wang, Univ. of Notre Dame (United States)


Published in SPIE Proceedings Vol. 8395:
Acquisition, Tracking, Pointing, and Laser Systems Technologies XXVI
William E. Thompson; Paul F. McManamon, Editor(s)

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