A calibration technique to correct sensor drift issues in hot-wire anemometry

Title: A calibration technique to correct sensor drift issues in hot-wire anemometry
Creator: Talluru, K. M.; Kulandaivelu, V.; Hutchins, N.; Marusic, I.
Relation: Measurement Science and Technology Vol. 25, Issue 10, p. 105304-105304
Publisher Link: http://dx.doi.org/10.1088/0957-0233/25/10/105304
Publisher: Institute of Physics Publishing
Resource Type: journal article
Date: 2014
Description: Accurate calibration is imperative to obtain reliable flow measurements using hot-wire anemometry. Calibration errors owing to temperature drift, wire degradation, changes in ambient conditions etc can lead to substantial uncertainties in hot-wire measurements. A new calibration procedure is implemented here to account for most forms of drift that are typically encountered during high quality flow measurements using hot-wires. The method involves obtaining single point recalibrations of the hot-wire (in the free-stream) at regular intervals during the course of an actual experiment, and using these during post-processing to correct for any drift encountered. Unlike many other existing schemes, this proposed calibration correction method is not solely restricted to correcting temperature drift.
Subject: fluid dynamics; instrumentation and measurement; calibration
Identifier: http://hdl.handle.net/1959.13/1066003
Identifier: uon:18008
Identifier: ISSN:0957-0233
Language: eng
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