Fast turbulent correlations from phase coherence velocimetry

Johnson, J. A., III; Chen, S.-C.; Johnson, L. E.

NASA NTRS · 19850065524

Fast turbulent correlations from phase coherence velocimetry

Johnson, J. A., III·Chen, S.-C.·Johnson, L. E.

Abstract

Flows with coherent structures allow see-free measurements of local velocity and velocity fluctuations. Continuous turbulent velocity histories in ionizing shock waves are obtained at a 10-MHz sampling rate. From this, correlation profiles and frequency spectra are determined which reveal the presence of prominent high-frequency components.

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Johnson, J. A., III, Chen, S.-C., Johnson, L. E.. 1985-09-01. Fast turbulent correlations from phase coherence velocimetry. https://ntrs.nasa.gov/citations/19850065524

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