Cross-correlation measurements in Naturally Occurring Tollmien-Schlichting Waves

Sundaram, S and Grosche, FR and Kreplin, HP (1997) Cross-correlation measurements in Naturally Occurring Tollmien-Schlichting Waves. Technical Report. National Aeronautics and Space Administration.

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Spanwise cross-correlation measurements are reported for the naturally occurring TS waves on a flat plate at a free-stream velocity of 20 m/s. Three cases, namely, zero, mild adverse and mild favourable streamwise pressure gradients are covered. Results indicate the spanwise coherence length scale of the waves to be around five times its wave length for zero pressure gradient. Marginal increase and a decrease in length scale is observed for adverse and favourable pressure gradients, respectively.

Item Type: Monograph (Technical Report)
Uncontrolled Keywords: Cross correlation;Tollhien-Schlichting waves;Dimensional measurement;Flat plates;Flow velocity;Pressure gradients;Free flow
Subjects: AERONAUTICS > Avionics & Aircraft Instrumentation
Depositing User: M/S ICAST NAL
Date Deposited: 04 Apr 2008
Last Modified: 24 May 2010 04:25

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