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Proc. ASME. PVP2021, Volume 1: Codes and Standards, V001T01A054, July 13–15, 2021
Paper No: PVP2021-64839
..., hydrogen. In Keywords: hydrogenation reactors, long-term service, China, a considerable number of hydrogenation reactors have material degradation, inspection, safety assessment, remain life been in service for more than 20 years, and the longest service prediction has reached 48 years. How to ensure...
Proc. ASME. PVP2019, Volume 1: Codes and Standards, V001T01A009, July 14–19, 2019
Paper No: PVP2019-93499
... two recently developed Chinese standards for nondestructive testing and safety assessment of electrofusion joints. These standards illustrate inspection process, sample block, defect characterization and safety assessment. Some research, applying these standards for inspection and safety assessment...
Proc. ASME. PVP2013, Volume 6B: Materials and Fabrication, V06BT06A036, July 14–18, 2013
Paper No: PVP2013-97616
... length of the defect have on the limit load are not significant. polyethylene pipe finite element analysis limit load safety assessment 1 Copyright © 2013 by ASME CAPACITY ANALYSIS OF PE PIPELINE WITH NON-PLANAR DEFECT Weijie JIANG School of Mechanical and Power Engineering, Nanjing...
Proc. ASME. PVP2012, Volume 7: Operations, Applications and Components, 187-191, July 15–19, 2012
Paper No: PVP2012-78677
... for the wall thickness of all DLR structural components was evaluated at the increased pressure. A safety assessment employing risk-based inspection (RBI) methodology was carried out on the DLRs to evaluate the risk in the case of failure of the DLRs. The probability of failure (PoF) and consequence of failure...
Proc. ASME. PVP2012, Volume 1: Codes and Standards, 189-196, July 15–19, 2012
Paper No: PVP2012-78655
... SAFETY ASSESSMENT OF COLD WELDING DEFECT IN ELECTRO-FUSION JOINT OF POLYETHYLENE PIPE Jianfeng Shi Institute of Process Equipment Zhejiang University, Hangzhou, P. R. China; Jinyang Zheng1* Institute of Process Equipment Zhejiang University, Hangzhou, P. R. China; Weican Guo1, 2 Zhejiang...
Proc. ASME. PVP2009, Volume 1: Codes and Standards, 479-483, July 26–30, 2009
Paper No: PVP2009-77844
... diameters of the volume defects, and the big angle double crystal longitudinal wave sensor can examine 2 mm deep surface crack of the body and the transition area. The safety assessment on 2 mm deep surface crack was carried on. cast iron dryer relative hardness wall-thick measurement ultrasonic...
Proc. ASME. PVP2008, Volume 3: Design and Analysis, 363-368, July 27–31, 2008
Paper No: PVP2008-61507
... barriers against failure were proven. For all load cases the relevant load path temperatures proved to be in the upper shelf regime of fracture toughness, where ductile fracture is the failure mechanism and brittle fracture is precluded. Keywords: Safety assessment, fracture mechanics, fracture toughness...