Transfer functions for turbulence spectra

Ralph J. Volino, Terrence W Simon

Research output: Contribution to journalConference articlepeer-review

9 Scopus citations

Abstract

The relationship between free-stream turbulence and boundary layer behavior was investigated with the use of spectral measurements. The power spectral densities of turbulence quantities in transitional and fully-turbulent boundary layers were computed and compared to the power spectra of the same quantities measured in the free-stream both at high and low free-stream turbulence intensities. Fluctuations were seen for both transitional and fully-turbulent boundary layers under high and low free-stream turbulence conditions. Higher-frequency fluctuations, not seen in the transitional boundary layer were seen to be associated with turbulence production in the boundary layer and appear to not be directly related to free-stream unsteadiness.

Original languageEnglish (US)
Pages (from-to)147-155
Number of pages9
JournalAmerican Society of Mechanical Engineers, Aerospace Division (Publication) AD
Volume40
StatePublished - Dec 1 1994
EventProceedings of the 1994 International Mechanical Engineering Congress and Exposition - Chicago, IL, USA
Duration: Nov 6 1994Nov 11 1994

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