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Proceedings Papers

Proc. ASME. PVP2021, Volume 4: Materials and Fabrication, V004T06A059, July 13–15, 2021
Paper No: PVP2021-61640
... Proceedings of the ASME 2021 Pressure Vessels & Piping Conference PVP2021 July 13-15, 2021, Virtual, Online PVP2021-61640 ANALYTICAL LIMIT LOAD FORMULA AND PROCEDURE FOR STRENGTH CALCULATION OF AXIAL COMPLEX SHAPED DEFECT IN PIPE Igor Orynyak Julia Bai Prof., DSci. Professor PhD, senior teacher...
Proceedings Papers

Proc. ASME. PVP2020, Volume 3: Design and Analysis, V003T03A066, August 3, 2020
Paper No: PVP2020-21275
...Abstract Abstract The paper presents a new and simple geometrically nonlinear finite element formulation to simulate the structural response of straight pipes under in-plane loading and/or internal pressure. The formulation employs the Green-Lagrange strain tensor to capture finite deformation...
Proceedings Papers

Proc. ASME. PVP2019, Volume 3: Design and Analysis, V003T03A071, July 14–19, 2019
Paper No: PVP2019-93683
...ADJUSTED J-R TOUGHNESS CURVE FOR PIPES USING J-A2 CRACK CONSTRAINT OF CT SPECIMENS AND 3D CRACK MESHES Greg Thorwald1 Quest Integrity Boulder, Colorado, USA Ken Bagnoli ExxonMobil Research & Engineering Spring, Texas, USA ABSTRACT The objective of this paper is to use two-parameter fracture...
Proceedings Papers

Proc. ASME. PVP2019, Volume 3: Design and Analysis, V003T03A098, July 14–19, 2019
Paper No: PVP2019-94039
... utilized to assess dent severity, however the approach is computationally expensive. Recently, the authors research group developed a robust but much simplified analytical model to evaluate the strains in dented pipes based on the geometry of the deformed pipe. When the strain distribution predicted using...
Proceedings Papers

Proc. ASME. PVP2019, Volume 6A: Materials and Fabrication, V06AT06A057, July 14–19, 2019
Paper No: PVP2019-93240
...FAILURE ASSESSMENT USING XFEM FOR THE AUSTENITIC STAINLESS STEEL PIPE WITH THE CIRCUMFERENTIAL CRACK SUBJECTED TO BENDING AND TORQUE Yohei Ono Central Research Institute of Electric Power Industry 1646 Abiko, Chiba Japan Michiya Sakai Central Research Institute of Electric Power Industry 1646 Abiko...
Proceedings Papers

Proc. ASME. PVP2019, Volume 1: Codes and Standards, V001T01A078, July 14–19, 2019
Paper No: PVP2019-93789
...A STUDY ON DEGREE OF CONSERVATISM OF TWO SAFETY ASSESSMENT METHODS FOR PIPING AND VESSELS WITH DEFECTS ABSTRACT Flaws (defects), such as local thinning due to corrosion, inevitably exist in piping and pressure vessels. These defects can be evaluated using the fitness for service (FFS) method...
Proceedings Papers

Proc. ASME. PVP2012, Volume 1: Codes and Standards, 185-188, July 15–19, 2012
Paper No: PVP2012-78080
... NSF/ANSI 14: THIRD PARTY CERTIFICATION FOR HIGH DENSITY POLYETHYLENE (HDPE) PIPE Ata Ciechanowski NSF International Ann Arbor, Michigan, USA ABSTRACT NSF/ANSI Standard 14 (NSF 14) was developed in 1965 to establish a standard for the testing and certification of plastic materials for both...
Topics: Density, Pipes
Proceedings Papers

Proc. ASME. PVP2012, Volume 3: Design and Analysis, 73-79, July 15–19, 2012
Paper No: PVP2012-78161
... A PIPE BEND SUBJECT TO A UNIFORMLY DISTRIBUTED RADIAL FORCE Joseph M. Mazzeo P.E. Senior Engineer GenOn 696 W. 10th St., P.O. 192 Pittsburg, Ca. 94565 USA Tel: 925-427-3301 Email: Joe.Mazzeo@GenOn.Com ABSTRACT The effects of a distributed radial load on an elbow or bend within a piping system...
Proceedings Papers

Proc. ASME. PVP2010, ASME 2010 Pressure Vessels and Piping Conference: Volume 6, Parts A and B, 751-759, July 18–22, 2010
Paper No: PVP2010-25973
... metal welds consideration. Ductile failure Fracture mechanics assessment flow stress concept plastic limit load pipe dissimilar metal welds 1 Copyright © 2010 by ASME Proceedings of PVP 2010 2010 ASME Pressure Vessels and Piping Division Conference July 18-22, 2010, Bellevue, Washington...
Proceedings Papers

Proc. ASME. PVP2007, Volume 3: Design and Analysis, 319-323, July 22–26, 2007
Paper No: PVP2007-26386
... 21 08 2009 The inlet branch pipes connected the aggregate pipes and furnace tubes of a reformer, the outlines of them extended as “S” shapes, and they were made of austenitic steel 1Cr18Ni9Ti. After about 60,000 hours service, a lot of cracks were found near the elbows of inlet branch...
Proceedings Papers

Proc. ASME. PVP2006-ICPVT-11, Volume 1: Codes and Standards, 421-427, July 23–27, 2006
Paper No: PVP2006-ICPVT-11-93690
... 21 07 2008 A private guideline of a weld overlay (WOL) repair method for SCC cracked Boiling Water Rector (BWR) primary piping was provided by Thermal and Nuclear Power Engineering Society of Japan. In the WOL method, the overlaid structure of SCC resistant 308L weld metal substitutes...