Flow characteristics in circuits using three port modulating control values

Underwood, Chris and Edge, Jerry (1995) Flow characteristics in circuits using three port modulating control values. Building Services Engineering Research and Technology, 16 (3). pp. 127-132. ISSN 0143-6244

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Official URL: http://dx.doi.org/10.1177/014362449501600302

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.

Item Type: Article
Subjects: H800 Chemical, Process and Energy Engineering
Department: Faculties > Engineering and Environment > Architecture and Built Environment
Depositing User: Jerry Edge
Date Deposited: 21 Mar 2012 15:37
Last Modified: 10 Aug 2015 11:30
URI: http://nrl.northumbria.ac.uk/id/eprint/5838

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