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CFD analysis on the dynamic flow characteristics of the pilot-control globe valve

Qian, Jin Yuan LU ; Wei, Lin; Jin, Zhi Jiang; Wang, Jian Kai; Zhang, Han and Lu, An Le (2014) In Energy Conversion and Management 87. p.220-226
Abstract

The pilot-control globe valve (PCGV) is a new kind valve with simple structures and low driving energy consumption. It can utilize the pressure difference before and after the valve to control the action of the valve core. However, systematic theoretical research and numerical analysis are deficient at present. In this paper, the mathematical model of PCGV is established and Computational Fluid Dynamics (CFD) method is employed to numerically simulate its dynamic characteristics. Through the analysis of the internal flow field distribution, its working principle is verified. Then three different opening processes with the same spring stiffness are analyzed under different static inlet pressures, and the best design point is obtained by... (More)

The pilot-control globe valve (PCGV) is a new kind valve with simple structures and low driving energy consumption. It can utilize the pressure difference before and after the valve to control the action of the valve core. However, systematic theoretical research and numerical analysis are deficient at present. In this paper, the mathematical model of PCGV is established and Computational Fluid Dynamics (CFD) method is employed to numerically simulate its dynamic characteristics. Through the analysis of the internal flow field distribution, its working principle is verified. Then three different opening processes with the same spring stiffness are analyzed under different static inlet pressures, and the best design point is obtained by studying the characteristic curves of the valve core's displacement. The relationship of static inlet pressure and the valve core's displacement is summarized and the selection formula for the valve design is generalized which can reduce the various design work for further optimization and engineering applications of PCGV.

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Please use this url to cite or link to this publication:
author
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Computational Fluid Dynamics (CFD), Pilot-control globe valve, Pressure difference, Valve core displacement
in
Energy Conversion and Management
volume
87
pages
7 pages
publisher
Elsevier
external identifiers
  • scopus:84905001832
ISSN
0196-8904
DOI
10.1016/j.enconman.2014.07.018
language
English
LU publication?
no
id
1f5d66e9-d415-4699-a5ea-2edfa36fa744
date added to LUP
2016-11-11 17:09:25
date last changed
2017-11-19 04:34:45
@article{1f5d66e9-d415-4699-a5ea-2edfa36fa744,
  abstract     = {<p>The pilot-control globe valve (PCGV) is a new kind valve with simple structures and low driving energy consumption. It can utilize the pressure difference before and after the valve to control the action of the valve core. However, systematic theoretical research and numerical analysis are deficient at present. In this paper, the mathematical model of PCGV is established and Computational Fluid Dynamics (CFD) method is employed to numerically simulate its dynamic characteristics. Through the analysis of the internal flow field distribution, its working principle is verified. Then three different opening processes with the same spring stiffness are analyzed under different static inlet pressures, and the best design point is obtained by studying the characteristic curves of the valve core's displacement. The relationship of static inlet pressure and the valve core's displacement is summarized and the selection formula for the valve design is generalized which can reduce the various design work for further optimization and engineering applications of PCGV.</p>},
  author       = {Qian, Jin Yuan and Wei, Lin and Jin, Zhi Jiang and Wang, Jian Kai and Zhang, Han and Lu, An Le},
  issn         = {0196-8904},
  keyword      = {Computational Fluid Dynamics (CFD),Pilot-control globe valve,Pressure difference,Valve core displacement},
  language     = {eng},
  pages        = {220--226},
  publisher    = {Elsevier},
  series       = {Energy Conversion and Management},
  title        = {CFD analysis on the dynamic flow characteristics of the pilot-control globe valve},
  url          = {http://dx.doi.org/10.1016/j.enconman.2014.07.018},
  volume       = {87},
  year         = {2014},
}