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Keywords: flow instability
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Journal Articles
Article Type: Technical Briefs
J. Pressure Vessel Technol. April 2015, 137(2): 024501.
Paper No: PVT-14-1031
Published Online: October 15, 2014
...-phase flow instability, it is requisite to confirm the system is designed adequately to avoid the potential challenges to its operational safety due to the instability. This paper presents an analytical approach for assessing if the PAFS has possible thermal and fluid mechanical characteristics which...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. February 2012, 134(1): 011301.
Published Online: December 1, 2011
... . It should be noted that these results assume all the supports are in and effective. Figures 8 9 show the frequencies and mode shapes, respectively, for the in-plane vibration response of the U-tube. bars boilers design engineering dynamic response elasticity flow instability flow...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. December 2011, 133(6): 061301.
Published Online: October 3, 2011
... tube vibrations that may cause fretting-wear and even fatigue cracks. It is therefore important to understand the relevant two-phase flow-induced vibration mechanisms. drag elasticity flow instability pipes vibrations 01 02 2011 27 04 2011 03 10 2011 03 10 2011...
Journal Articles
Article Type: Technology Review
J. Pressure Vessel Technol. April 2011, 133(2): 024001.
Published Online: February 28, 2011
... 2011 bars dynamic response flow instability heat exchangers pipe flow pipes two-phase flow vibration control wear Part I provided an assessment of the linear and nonlinear mechanics of pipes conveying fluid in the absence or presence of barriers. This part is devoted...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. October 2010, 132(5): 051302.
Published Online: August 31, 2010
... of this paper appeared at the ASME 2007 PVP Division Conference, PVP2007-26597. 12 06 2009 08 12 2009 31 08 2010 31 08 2010 flow instability heat exchangers pipe flow pipes turbulence vibrations vortices wear Flow-induced vibrations can cause fretting wear damage...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. August 2010, 132(4): 041309.
Published Online: August 6, 2010
... for a Rotated Triangular Array in Cross-Flow ,” J. Fluids Struct. 0889-9746 , 7 , pp. 497 – 520 . 10.1006/jfls.1993.1031 06 07 2009 14 06 2010 06 08 2010 06 08 2010 boilers damping elasticity flow instability heat exchangers hydraulic systems pipe flow wind tunnels...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. August 2010, 132(4): 041302.
Published Online: July 21, 2010
... damping drag elasticity flow instability pipes turbulence vibration control Flow-induced vibration must be considered when operating many industrial components. These include high-performance heat exchangers and steam generators, which utilize flexible tubes that are subjected to high flow...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. October 2009, 131(5): 051302.
Published Online: September 2, 2009
... 2008 25 02 2009 02 09 2009 damping flow instability heat exchangers pipe flow pipes refrigerants turbulence two-phase flow vibrations Two-phase cross flow exists in approximately half of shell-and-tube heat exchangers in process and nuclear plants. Typical components...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. August 2009, 131(4): 041301.
Published Online: June 12, 2009
...-Uniform Cross-Flow ,” Flow-Induced Vibration of Power Plant Components , Vol. PVP-41 , M. K. Au-Yang , ed., American Society of Mechanical Engineers , NY , pp. 93 – 107 . 03 01 2008 11 02 2009 12 06 2009 accelerometers elasticity flow instability pipe flow two...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. June 2009, 131(3): 031301.
Published Online: February 4, 2009
... stability thresholds of the present study agree well with results from previous studies for single-phase flow. In two-phase flow, the comparison of the stability data depends on the definition of two-phase flow velocity. 11 08 2006 24 10 2008 04 02 2009 flow instability heat...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. November 2008, 130(4): 041302.
Published Online: August 20, 2008
... and swirls increase the rate of energy dissipation of the sloshing. 07 11 2006 26 04 2007 20 08 2008 damping earthquake engineering flow instability sloshing vortices water storage It is well known that sloshing in liquid storage vessels can be excited by the long periodic...
Journal Articles
Article Type: Research Papers
J. Pressure Vessel Technol. February 2006, 128(1): 148–159.
Published Online: October 5, 2005
... in the flow direction. These results and additional wind tunnel results are compared to existing data on fluidelastic instability. Two-phase flow damping results are also presented in this paper. 02 09 2005 05 10 2005 flow instability heat exchangers pipe flow two-phase flow nuclear...
Journal Articles
Article Type: Technical Papers
J. Pressure Vessel Technol. May 2004, 126(2): 188–193.
Published Online: May 5, 2004
... reflects the decrease of the natural frequency with static internal fluid pressure. It is also noted that the instability regions become broader with increasing static fluid pressure P st . computational fluid dynamics flow instability damping pressure vibrations mechanical...
Journal Articles
Article Type: Technical Papers
J. Pressure Vessel Technol. May 2004, 126(2): 269–274.
Published Online: May 5, 2004
.... 29 September 2003 11 November 2003 05 05 2004 heat exchangers external flows pipe flow mechanical stability jets flow instability failure (mechanical) elasticity fatigue wind tunnels It is well known that bundles of tubes, such as those used in boilers and heat...
Journal Articles
Article Type: Technical Papers
J. Pressure Vessel Technol. November 2003, 125(4): 411–417.
Published Online: November 4, 2003
... boundary layer turbulence computational fluid dynamics flow simulation flow instability pattern formation In many industrial configurations, mechanical structures such as PWR components are submitted to complex flows causing possible vibrations and damage, 2 3 4 5 6 7 , and as far...
Journal Articles
Article Type: Technical Papers
J. Pressure Vessel Technol. May 2003, 125(2): 165–170.
Published Online: May 5, 2003
... system may be observed 4 . Since theoretical and numerical predictions of the fluidelastic instability remain difficult 5 6 7 8 , experimental approaches have been developed. non-Newtonian flow two-phase flow vibration control vibrations flow instability damping flow measurement...
Journal Articles
Article Type: Technical Papers
J. Pressure Vessel Technol. May 2002, 124(2): 144–153.
Published Online: May 1, 2002
... 2002 pressure vessels vibrations power plants flow instability mixtures Many power and process plant components operate in two-phase flow, under high flow rates and adverse environmental conditions. For example, it has been estimated that more than half of nuclear process and heat...
Journal Articles
Article Type: Technical Papers
J. Pressure Vessel Technol. November 2001, 123(4): 437–441.
Published Online: July 10, 2001
...; revised manuscript received July 10, 2001. Associate Editor: M. J. Pettigrew. 22 July 2001 29 March 2001 10 July 2001 heat exchangers vibrations fluid dynamics flow instability vortices There has been an increased effort in recent years to improve the heat transfer...
Journal Articles
Article Type: Technical Papers
J. Pressure Vessel Technol. November 2000, 122(4): 502–508.
Published Online: March 7, 2000
... failure (mechanical) vibrations damping flow instability fission reactor coolants channel flow Parallel-plate assemblies are used as core elements in some research and power nuclear reactors. A parallel-plate assembly consists of many thin plates stacked in parallel; between the plates...
Journal Articles
Article Type: Technical Papers
J. Pressure Vessel Technol. February 2000, 122(1): 33–39.
Published Online: October 26, 1999
... by the PVP Division, January 20, 1999; revised manuscript received October 26, 1999. Associate Technical Editor: S. S. Chen. 20 January 1999 26 October 1999 mechanical stability flexible structures vibrations fission reactor coolants confined flow flow instability A fluid...
Topics: Fluids, Sloshing