ON ELEVATED RMS LEVELS IN WALL-BOUNDED TURBULENT FLOWS WHEN MEASURED BY LASER-DOPPLER VELOCIMETRY

Authors
Citation
C. Cline et S. Deutsch, ON ELEVATED RMS LEVELS IN WALL-BOUNDED TURBULENT FLOWS WHEN MEASURED BY LASER-DOPPLER VELOCIMETRY, Experiments in fluids, 15(2), 1993, pp. 130-132
Citations number
3
Categorie Soggetti
Mechanics,"Instument & Instrumentation","Engineering, Mechanical
Journal title
ISSN journal
07234864
Volume
15
Issue
2
Year of publication
1993
Pages
130 - 132
Database
ISI
SICI code
0723-4864(1993)15:2<130:OERLIW>2.0.ZU;2-P
Abstract
Several recent studies have shown elevated RMS velocities in laser Dop pler measurements of wall bounded shear flows. We show here, through a simple model, that vibration of the probe volume is a likely contribu tor to these elevated values.