Test Bench for Process Control Valves

Aragon Camarasa, G. , Aragon-Gonzalez, G., Canales-Palma, A. and Leon-Galicia, A. (2007) Test Bench for Process Control Valves. In: Electronics, Robotics and Automotive Mechanics Conference (CERMA 2007), Cuernavaca, Morelos, Mexico, 25-28 Sep 2007, pp. 139-144. ISBN 9780769529745 (doi:10.1109/CERMA.2007.4367675)

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Abstract

A test bench was conceived in order to determine experimentally the flow coefficient [CV] for process control valves, operating with compressible fluids, under established regulations by the standards ANSI/ISA-75.02-1996 and ANSI/ISA-75.01.01-2002. This test bench is used to verify the calibration of valves with continually variable opening, after they have been repaired. The measurements in the test bench allow establishing the CV of these valves for various opening percentages. It was necessary to review the CV equation for compressible fluids, to proceed with the flow sensor selection. This equation was obtained under similarity conditions, by the equality of Euler numbers between prototype and model (test specimen). It is also described the electronic instrumentation for measuring flow, temperature and pressure difference, the design and the development of electronic circuits which control the instrumentation, and the algorithms for the operation and acquisition of measurements.

Item Type:Conference Proceedings
Keywords:ANSI standards, calibration, compressible flow, computerised instrumentation, flow measurement, process control, valves, ANSI/ISA-75.01.01-2002, ANSI/ISA-75.02-1996, euler numbers, compressible fluids, electronic circuits, electronic instrumentation, flow coefficient, flow measurement, flow sensor selection, process control valves, test bench, valve calibration, equations, fluid flow measurement, instruments, pressure measurement, process control, prototypes, testing, valves.
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Aragon Camarasa, Dr Gerardo
Authors: Aragon Camarasa, G., Aragon-Gonzalez, G., Canales-Palma, A., and Leon-Galicia, A.
Subjects:T Technology > TJ Mechanical engineering and machinery
T Technology > TS Manufactures
College/School:College of Science and Engineering > School of Computing Science
Research Group:Computer Vision and Autonomous Systems
ISBN:9780769529745

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