Flow Coefficient Measurement of a Globe Valve for Precision Control

Choi, Jongkeun; Park, Soon-Hyeong; Lee, Kwon-Hee

doi:10.18178/ijmmm.2018.6.4.387

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Modelling Of Globe Valve With Linear Characteristics1

Introduction1

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2021

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“…The thrust due to internal reaction, is the force acting over the diaphragm area, , the stem area, and the pipe wall area, . This thrust is given by equation (2).…”

Section: Modelling Of Globe Valve With Linear Characteristicsmentioning

confidence: 99%

See 1 more Smart Citation

Stability Analysis of Globe Valve Using Classical Techniques

Olugbenga¹,

Olajide²,

Adesola³

2021

JESR

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The importance of globe valve in fluid handling and control cannot be overemphasized. It is useful in oil and gas applications. If globe valve is not properly modelled, its primary purpose of regulation of fluid flow may be defeated. In this work, model of globe valve is developed from basic mechanical principles. The resulting model is a second order system whose response to a step input signal gives no overshoot. Further stability analysis with bode plot, Nyquist plot and root locus plot give a stable system indicating that the developed globe valve model is suitable for relevant areas of application.

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“…The thrust due to internal reaction, is the force acting over the diaphragm area, , the stem area, and the pipe wall area, . This thrust is given by equation (2).…”

Section: Modelling Of Globe Valve With Linear Characteristicsmentioning

confidence: 99%

“…Globe valve could be used to start, stop and regulate flow of fluid. Its working motion is linear [2].…”

Section: Introductionmentioning

confidence: 99%