Title: Calibration of an oscillating hot-wire anemometer for bidirectional velocity measurements
Authors: Persoons, Tim ×
Hoefnagels, A
Van den Bulck, Eric #
Issue Date: Apr-2006
Publisher: Springer
Series Title: Experiments in Fluids vol:40 issue:4 pages:555-567
Abstract: A novel compact low-frequency oscillating hotwire(OHW) anemometer is calibrated in a custom-built wind tunnel. Laser Doppler anemometry is used for reference velocity measurements, phase-locked with the oscillating wire. Three probe designs are calibrated, examining the influence of prong shape on the wake contamination. Results for two oscillation amplitudes and several frequencies are discussed. Through nondimensional analysis, the optimum probe design and operating parameters are extracted. The OHW features a maximum measurable negative velocity of 1.0 m/s which is comparable to existing oscillating and flying hot-wire anemometers. The compact OHW can be applied to reversing flow in confined geometries such as flow in exhaust systems.
ISSN: 0723-4864
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Applied Mechanics and Energy Conversion Section
× corresponding author
# (joint) last author

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