Velocity measurements in the oscillatory boundary layer produced by acoustic waves

Velocity measurements in the oscillatory boundary layer produced by acoustic waves Simultaneous amplitude and phase velocity measurements in the oscillatory viscous boundary layer (OVBL) produced by acoustic waves are reported. The structure of the OVBL of acoustic standing waves in air with frequencies of 35, 46, and 130 Hz is determined using hot-wire anemometry. The experimental results in amplitude are close to theoretical results of linear theories; small differences are pointed out. The phase results are in good agreement for 130 Hz, the agreement decreases for 35 and 46 Hz. A discussion on the possible causes of these discrepancies is made. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Experiments in Fluids Springer Journals

Velocity measurements in the oscillatory boundary layer produced by acoustic waves

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Publisher
Springer-Verlag
Copyright
Copyright © 2002 by Springer-Verlag
Subject
Engineering; Engineering Fluid Dynamics; Fluid- and Aerodynamics; Engineering Thermodynamics, Heat and Mass Transfer
ISSN
0723-4864
eISSN
1432-1114
D.O.I.
10.1007/s00348-001-0383-6
Publisher site
See Article on Publisher Site

Abstract

Simultaneous amplitude and phase velocity measurements in the oscillatory viscous boundary layer (OVBL) produced by acoustic waves are reported. The structure of the OVBL of acoustic standing waves in air with frequencies of 35, 46, and 130 Hz is determined using hot-wire anemometry. The experimental results in amplitude are close to theoretical results of linear theories; small differences are pointed out. The phase results are in good agreement for 130 Hz, the agreement decreases for 35 and 46 Hz. A discussion on the possible causes of these discrepancies is made.

Journal

Experiments in FluidsSpringer Journals

Published: Feb 26, 2014

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