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Keywords: thermal stresses
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Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Pressure Vessel Technol. October 2021, 143(5): 051304.
Paper No: PVT-20-1043
Published Online: March 22, 2021
... analytical method based on Bessel Fourier's series and separation of variables, the governing partial differential equations are derived. A formulation is given for the displacements, electric potential, thermal stresses, and electric displacements resulting from prescribed the general form of thermal...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Pressure Vessel Technol. April 2013, 135(2): 021205.
Paper No: PVT-12-1002
Published Online: March 18, 2013
...) in the tank wall and bottom plate. A factor named “ C ” is used for defining the ratio of actual expansion against free expansion of the tank. Such partial expansion causes significant thermal stresses. API uses these stresses to estimate the low cycle fatigue life of the tanks. At present, a range of C...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Pressure Vessel Technol. October 2011, 133(5): 051206.
Published Online: July 14, 2011
...Behrooz Farshi; Jalal Bidabadi Gas turbine disks are subject to mechanical stresses due to centrifugal forces exerted by the blades, as well as thermal stresses due to high temperature gradient. High stresses in the presence of elevated temperatures cause the rotating disk material to undergo...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Pressure Vessel Technol. April 2011, 133(2): 021102.
Published Online: January 31, 2011
... Class 2/3 nuclear piping is limited to 800F, and therefore, creep is not a concern. creep design engineering fatigue nuclear power stations pipes thermal expansion thermal stresses 13 07 2007 16 12 2009 31 01 2011 31 01 2011 2011 American Society...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Pressure Vessel Technol. December 2009, 131(6): 061203.
Published Online: October 8, 2009
...Toshimichi Fukuoka; Masataka Nomura; Keiichi Shino A bolted joint is widely used for the structures and machines subjected to thermal load, such as pressure vessels, internal combustion engines, brake disks, etc. In order to accurately evaluate the thermal stresses thus produced, the effect...
Journal Articles
Publisher: ASME
Article Type: Design Innovations
J. Pressure Vessel Technol. December 2009, 131(6): 065001.
Published Online: September 23, 2009
... and moments. The reaction moments will be solely resisted by the threaded T-joint (point A) due to the nature of the wall supports. Therefore, it is anticipated that the branch length plays a significant role in dictating the system flexibility and the resulting thermal stresses. The riser pipe...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Pressure Vessel Technol. April 2009, 131(2): 021212.
Published Online: January 22, 2009
... solution, the thermal stress response of the thick walled cylinder was solved. The time dependent variations of the temperature field—thermal stress field—were discussed, and the effect of cylinder radius ratio on the problem was given. The exploration in this paper will lay a theoretical reference...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Pressure Vessel Technol. April 2009, 131(2): 021202.
Published Online: December 9, 2008
...M. Jabbari; A. H. Mohazzab; A. Bahtui This paper presents the analytical solution of one-dimensional mechanical and thermal stresses for a hollow cylinder made of functionally graded material. The material properties vary continuously across the thickness, according to the power functions of radial...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Pressure Vessel Technol. February 2009, 131(1): 011304.
Published Online: November 24, 2008
... connected to the cold leg pipe through which the hot main coolant flows. To prevent and relieve excessive transient thermal stress in the nozzle wall, which may be caused by the direct contact of cold water in the SI operation mode, a thermal sleeve in the shape of thin wall cylinder is set in the nozzle...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Pressure Vessel Technol. August 2008, 130(3): 031406.
Published Online: July 11, 2008
... fracture toughness steel tensile strength thermal stresses thin wall structures quasistatic and low-cycle fracture (crack growth) thermal (dilatational) loading moving load In fracture mechanics problems, traditionally, a mechanical loading is considered. If the load value exceeds some...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Pressure Vessel Technol. February 2007, 129(1): 103–108.
Published Online: April 11, 2006
...Hironori Tohmyoh; Masumi Saka; Yuichi Kondo This paper describes the “thermal opening technique” for enhancing the ultrasonic response of a tightly closed crack. In this approach, thermal stress is generated by cooling the part locally to reduce the crack closure stress in stainless steel plate...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Pressure Vessel Technol. February 2007, 129(1): 52–57.
Published Online: February 28, 2006
...A. E. Segall; R. Akarapu Approximate solutions were derived for the transient through steady-state thermal-stress fields developed in thick-walled vessels subjected to a potentially arbitrary thermal shock. In order to accomplish this, Duhamel’s integral was first used to relate the arbitrary...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Pressure Vessel Technol. November 2006, 128(4): 599–604.
Published Online: January 19, 2006
... and/or flux data is ill-posed and inherently sensitive to errors in the data. As a result, the inverse route is rarely used to determine thermal stresses. Moreover, most analytical solutions to the inverse problem rely on a host of assumptions that usually restrict their utility to time frames before...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Pressure Vessel Technol. February 2006, 128(1): 25–32.
Published Online: October 24, 2005
...-plastic analysis, and thermal stress ratchet. Issues that are explored are separating primary and secondary stresses in finite element analyses, material ductility requirements, and the meaning of the fatigue penalty factor. Since 3 S m is equivalent to 2 S y the design...
Topics: Design, Stress
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Pressure Vessel Technol. November 2005, 127(4): 414–422.
Published Online: May 29, 2005
... of flanges and a joint with a cover plate. The analytical models are validated and verified by comparison to finite element results. 06 07 2004 29 05 2005 gaskets fasteners flanges thermoelasticity thermal stresses finite element analysis Flange designs have been the subject...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Pressure Vessel Technol. May 2005, 127(2): 119–122.
Published Online: May 27, 2005
...Vishnu Verma; A. K. Ghosh; H. S. Kushwaha The ball tank of the research reactor CIRUS is exposed to solar radiation. The ambient temperature undergoes seasonal and diurnal variation. The resulting thermal stress could be significant for the large structure. The temperature distribution has been...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Pressure Vessel Technol. May 2005, 127(2): 197–203.
Published Online: November 22, 2004
... thicknesses, resulting in lower throughwall thermal stresses during transient events and lower material and pipe support costs. During the past two decades, Grade 91 has been used successfully in fossil power plants. However, this alloy has had some incidents of premature failures. Case histories discuss...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Pressure Vessel Technol. August 2004, 126(3): 327–332.
Published Online: August 18, 2004
...A. E. Segall, Mem. ASME, Associate Professor A closed-form axisymmetric solution was derived for the transient thermal-stress fields developed in thick-walled tubes subjected to an arbitrary thermal loading on the internal surface with convection to the surrounding external environment...
Journal Articles