Liquid Flow Measurement by Cross-Correlation of Temperature Fluctuations

The applicability of the temperature cross-correlation method to the measurement of liquid flow under steady and pulsating flow conditions is investigated and some further results to those published earlier are presented. The method is proved to be an accurate and reliable method of flow measurement...

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Main Authors: S A Abesekera, M S Beck
Format: Article
Language:English
Published: SAGE Publishing 1972-11-01
Series:Measurement + Control
Online Access:https://doi.org/10.1177/002029407200501101
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author S A Abesekera
M S Beck
author_facet S A Abesekera
M S Beck
author_sort S A Abesekera
collection DOAJ
description The applicability of the temperature cross-correlation method to the measurement of liquid flow under steady and pulsating flow conditions is investigated and some further results to those published earlier are presented. The method is proved to be an accurate and reliable method of flow measurement in laminar flow of highly viscous liquids and turbulent flow of liquids under steady and pulsating flow conditions. In laminar flow, the measurement is dependent on the velocity profiles and hence sensitive to any disturbances which may distort the velocity profiles. In pulsating flow, the measurement is dependent on a parameter called the ‘Frequency parameter’ (KR). Only if KR <1 can the flow meter, calibrated for steady flow measurement, meter pulsating flow accurately. This condition is easily satisfied by highly viscous liquids. The measurement technique provides a linear output and an accuracy better than 3% can be achieved.
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spelling doaj.art-4f7f9cb018104f788c68fbe2e34d99002022-12-21T18:00:41ZengSAGE PublishingMeasurement + Control0020-29401972-11-01510.1177/002029407200501101Liquid Flow Measurement by Cross-Correlation of Temperature FluctuationsS A Abesekera0M S Beck1 Department of Control Engineering, Huddersfield Polytechnic Department of Control Engineering, University of BradfordThe applicability of the temperature cross-correlation method to the measurement of liquid flow under steady and pulsating flow conditions is investigated and some further results to those published earlier are presented. The method is proved to be an accurate and reliable method of flow measurement in laminar flow of highly viscous liquids and turbulent flow of liquids under steady and pulsating flow conditions. In laminar flow, the measurement is dependent on the velocity profiles and hence sensitive to any disturbances which may distort the velocity profiles. In pulsating flow, the measurement is dependent on a parameter called the ‘Frequency parameter’ (KR). Only if KR <1 can the flow meter, calibrated for steady flow measurement, meter pulsating flow accurately. This condition is easily satisfied by highly viscous liquids. The measurement technique provides a linear output and an accuracy better than 3% can be achieved.https://doi.org/10.1177/002029407200501101
spellingShingle S A Abesekera
M S Beck
Liquid Flow Measurement by Cross-Correlation of Temperature Fluctuations
Measurement + Control
title Liquid Flow Measurement by Cross-Correlation of Temperature Fluctuations
title_full Liquid Flow Measurement by Cross-Correlation of Temperature Fluctuations
title_fullStr Liquid Flow Measurement by Cross-Correlation of Temperature Fluctuations
title_full_unstemmed Liquid Flow Measurement by Cross-Correlation of Temperature Fluctuations
title_short Liquid Flow Measurement by Cross-Correlation of Temperature Fluctuations
title_sort liquid flow measurement by cross correlation of temperature fluctuations
url https://doi.org/10.1177/002029407200501101
work_keys_str_mv AT saabesekera liquidflowmeasurementbycrosscorrelationoftemperaturefluctuations
AT msbeck liquidflowmeasurementbycrosscorrelationoftemperaturefluctuations