Two Wire Sensor for Measuring the Velocity of Non-Isothermal Flows.

Sensors (Basel)

Strata Mechanics Research Institute, Polish Academy of Sciences, Reymonta 27, 30-059 Krakow, Poland.

Published: December 2021

Changes in the temperature of the medium significantly affect the static characteristics of hot-wire anemometry measuring wires, which causes errors in the results of flow velocity measurements. High temperatures of the medium make it necessary to additionally heat the sensor to even higher temperatures, which may lead to its damage due to wire burnout. The article proposes a solution to the problem of measuring the flow velocity in conditions of non-stationary temperatures with the use of the method of cross-correlation of signals from two-wire resistance thermometers. The main assumptions of the method and its experimental verification were presented.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8749586PMC
http://dx.doi.org/10.3390/s22010162DOI Listing

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