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Published November 28, 2017 | Accepted Version
Conference Paper Open

Studies of the large-scale structure in adiabatic and moderately-wall-heated subsonic boundary layers

Abstract

Simultaneous velocity-optical measurements in subsonic boundary layers were conducted in order to investigate the relationship between the instantaneous 2-D wavefronts, measured by different optical sensors, the Malley probe and 2-D Shack-Hartmann sensors, and the instantaneous large-scale structure along a wall-normal plane, using PIV in both incompressible and compressible subsonic boundary layers. These systematic studies of the instantaneous relation between the large-scale boundary layer structure and its aero-optical signature provide additional understanding of the instantaneous dynamics of the large-scale structure at subsonic and transonic speeds.

Additional Information

SESSION 7A - Wall Turbulence: Large Structures. The support of the Department of Defense through the National Defense Science & Engineering Graduate Fellowship (NDSEG) Program and the Air Force Office of Scientific Research Grant # FA9550-12-1-0060 are gratefully acknowledged. The U.S. Government is authorized to reproduce and distribute reprints for governmental purposes notwithstanding any copyright notation thereon.

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Additional details

Created:
August 20, 2023
Modified:
October 17, 2023