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Keywords: valves
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Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. August 2011, 133(4): 041401.
Published Online: May 16, 2011
...Didier Lasseux; Pascal Jolly; Yves Jannot; Emmanuel Sauger Benoit Omnes In this work, we address the issue of the sealing performance of ring-shape valve compression packings. Our analysis is focused on the characterization of the permeability of the rings made of die-formed exfoliated graphite...
Journal Articles
Article Type: Technical Briefs
J. Pressure Vessel Technol. October 2010, 132(5): 054501.
Published Online: August 31, 2010
...Xue Guan Song; Lin Wang; Young Chul Park A spring-loaded pressure safety valve (PSV) is a key device used to protect pressure vessels and systems. This paper developed a three-dimensional computational fluid dynamics (CFD) model in combination with a dynamics equation to study the fluid...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. October 2010, 132(5): 051301.
Published Online: August 25, 2010
... with the vertical bulkhead in it so as to allow communication between two compartments at the lower part of the vessel. When the valve that is laid on the bulkhead between the two gas chambers closes, the spring effect of the gas chamber arises. On the contrary, when the valve opens, the spring effect of the gas...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. August 2010, 132(4): 041601.
Published Online: August 5, 2010
...Shi-Jun Wu; Can-Jun Yang; Ying Chen; Yan-Qing Xie The cone valve plays an important role in high-pressure sealing applications. In this paper, a new high-pressure cone valve, based on the titanium alloy poppet-to-polyetheretherketone seat sealing structure, is proposed for deep-sea gas-tight water...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. April 2009, 131(2): 021205.
Published Online: December 30, 2008
...Katsumasa Miyazaki; Masanori Numata; Koichi Saito; Masahito Mochizuki The fixed conditions of butt welds between straight pipe and the valves or pump in an actual piping system are different from those of straight pipes. However, the effect of the fixed condition on the residual stress...
Journal Articles
Article Type: Technical Briefs
J. Pressure Vessel Technol. August 2008, 130(3): 034502.
Published Online: June 12, 2008
...Xu Zeliang Welding groove geometry is one of the factors determining the structure’s weld-induced deformation. There are three types of welding groove geometry available for a full-welded ball valve. Multipass butt-welded plate experiments and finite element analysis were applied to determine which...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. May 2008, 130(2): 021302.
Published Online: March 19, 2008
...Zachary Leutwyler; Charles Dalton Butterfly valve performance coefficients are necessary for predicting the required torque necessary to operate the valve along with other essential parameters necessary for ensuring the safe operation. The availability of performance coefficients for compressible...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. August 2007, 129(3): 363–371.
Published Online: October 2, 2006
...Matthias K. Maess; Lothar Gaul Valve actuation and pump fluctuation in piping systems generate propagating sound waves in the fluid path which in turn can lead to undesired excitation of structural components. This vibro-acoustic problem is addressed by studying the propagation dynamics as well...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. November 2006, 128(4): 648–655.
Published Online: April 19, 2006
...A. M. Birk; J. D. J. VanderSteen A series of fire tests were conducted on nine, 1.8 m 3 ( 500 US gal ) ASME code propane pressure vessels to study the significance of pressure relief valve behavior on tank survivability to fire impingement. In these tests three tanks ruptured (i.e., finite failure...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. August 2006, 128(3): 467–475.
Published Online: April 18, 2006
..., and an instrumented flow nozzle in place of a pressure relief valve (PRV). A computer controlled PRV was used to control pressure. The vessels were heated using high momentum, liquid propane utility torches. Open pool fires were not used for the testing because they are strongly affected by wind. These wind effects...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. August 2006, 128(3): 462–466.
Published Online: October 31, 2005
...Eliseu L. M. Monteiro; Abel I. Rouboa; António A. C. Monteiro The production of a part by foundry techniques is influenced by its complex geometry configuration, which affects the solidification conditions and subsequent cooling. For example certain pipes, some vessels and most valves are produced...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. February 2006, 128(1): 122–129.
Published Online: October 26, 2005
... a number of chemical and petrochemical project applications to provide a reasonable sample of contingencies that governed the sizes of existing and new safety-relief valves and rupture disks. The study results show that a significant number of pressure-relief devices presently installed in the U.S.A...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. August 2005, 127(3): 230–236.
Published Online: April 11, 2005
... networks was applied to a check valve, one of the components being used extensively in a safety system of a nuclear power plant. AE testing for a check valve under controlled flow loop conditions was performed to detect and evaluate disk movement for valve degradation such as wear and leakage due...
Journal Articles
Article Type: Article
J. Pressure Vessel Technol. February 2005, 127(1): 1–6.
Published Online: March 15, 2005
...Tilman Diesselhorst; Ulrich Neumann To reduce costs and to extend the lifetime of piping systems their design loads due to valve action have to be optimized. To get the best effect the results of the fluiddynamic and structural calculations should be realistic as far as possible. Therefore...
Journal Articles
Article Type: Technical Papers
J. Pressure Vessel Technol. May 2002, 124(2): 247–252.
Published Online: May 1, 2002
... with the surroundings (e.g., fire exposure) and pressure relief valve (PRV) action. Since it would be desirable to minimize this stored energy to reduce hazards, a study was initiated by Transport Canada and Queen’s University to quantify the effect of various PRV parameters on the thermal energy storage of a pressure...
Journal Articles
Article Type: Technical Papers
J. Pressure Vessel Technol. November 2001, 123(4): 461–468.
Published Online: May 23, 2001
...Suzanne Michaud; Samir Ziada, Mem. ASME; Henri Pastorel The steam dump system in Gentilly Nuclear Power Plant consists of four parallel steam pipes, each of which comprises a steam control valve. Two pipes of this system experienced high-cycle fatigue damage. In-situ vibration and dynamic strain...
Journal Articles
Article Type: Technical Papers
J. Pressure Vessel Technol. February 2001, 123(1): 70–74.
Published Online: October 23, 2000
...F. V. Ellis; D. R. Sielski; R. Viswanathan A research project was conducted to develop and validate an improved, analytical life prediction method for high-temperature turbine and valve studs/bolts. The life prediction method used the two-parameter creep equation, an incremental calculation...
Journal Articles
Article Type: Technical Papers
J. Pressure Vessel Technol. November 2000, 122(4): 401–407.
Published Online: March 7, 2000
...Bruce A. W. Smith; Brian V. Luloff Gate valves often act as a source of tonal noise in piping systems. Occasionally, this can lead to excessive environmental noise levels. This paper presents the results of a model testing program that was conducted to determine the most cost-effective way...
Journal Articles
Article Type: Technical Papers
J. Pressure Vessel Technol. May 2000, 122(2): 204–209.
Published Online: December 14, 1999
... was significantly affected by pressure relief valve (PRV) behavior. During the tests, the PRV operating characteristics were highly variable. Since these valves play a large role in the control of energy accumulation and storage in a pressure vessel, it was decided to study their dynamic behavior in detail...
Journal Articles
Article Type: Technical Papers
J. Pressure Vessel Technol. February 2000, 122(1): 60–65.
Published Online: October 25, 1999
...A. J. Pierorazio; A. M. Birk This paper presents the results of the first full test series of commercial pressure relief valves using the newly constructed Queen’s University/Transport Canada dynamic valve test facility (VTF) in Maitland, Ontario. This facility is unique among those reported...