Flow characteristics in circuits using three port modulating control values

Chris Underwood, Jerry Edge

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

This work has sought to identify the nature of the total flow characteristic in circuits controlled by three-port modulating valves. A theoretical model has been developed and compared with a small family of three-port control valves. The influence of valve signal/flow hysteresis error has been quantified, though no account was taken of valve wear. Good potential for the use of control valves as passive flow monitors has been identified, though further work is required to evolve a practical solution for this. The agreement between experimental data and theoretical results is encouraging, suggesting that a model has potential for use where measurements of valve performance are unavailable. The influence of signal/flow hysteresis was found to be insignificant.
Original languageEnglish
Pages (from-to)127-132
JournalBuilding Services Engineering Research and Technology
Volume16
Issue number3
DOIs
Publication statusPublished - Jan 1995

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