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Keywords: testing
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Proceedings Papers

Proc. ASME. PVP2023, Volume 1: Codes & Standards, V001T01A055, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-103837
... piping qualification validation testing manufacturing fabrication failure safety reliability Abstract Piping play important roles in pressurized static systems. In the oil and gas industry, for example, they are used to perform the process function, transmission and distribution...
Proceedings Papers

Proc. ASME. PVP2022, Volume 3: Fluid-Structure Interaction; High Pressure Technology, V003T05A003, July 17–22, 2022
Publisher: American Society of Mechanical Engineers
Paper No: PVP2022-84173
... standards and methodologies that provide a basis for practical testing activities. Other methodologies, such as FEA and hand calculations, are available to evaluate the seal tightness on a theoretical basis during the design stage and predict fugitive emissions values. Test measurement for fugitive...
Proceedings Papers

Proc. ASME. PVP2022, Volume 2: Computer Technology and Bolted Joints; Design and Analysis, V002T02A027, July 17–22, 2022
Publisher: American Society of Mechanical Engineers
Paper No: PVP2022-84869
... are available in the market that offers viable sealing methods, but there is no test method to classify them. This work proposes a soot blower test protocol to evaluate the sealing solutions available. Comparative results for the different seal types are presented. mechanical properties testing...
Proceedings Papers

Proc. ASME. PVP2021, Volume 1: Codes and Standards, V001T01A013, July 13–15, 2021
Publisher: American Society of Mechanical Engineers
Paper No: PVP2021-62909
... Proceedings of the ASME 2021 Pressure Vessels & Piping Conference PVP2021 July 13-15, 2021, Virtual, Online PVP2021-62909 NEGATIVE R FATIGUE SHORT CRACK GROWTH RATE TESTING ON AUSTENITIC STAINLESS STEELS Adam Griffiths1, Peter Gill1, Ben Coult1, Jack Beswick1, Norman Platts1, Jonathan Mann2, Chris...
Proceedings Papers

Proc. ASME. PVP2020, Volume 1: Codes and Standards, V001T01A102, August 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: PVP2020-21077
... of 528°C at almost a half pressure (0.46 Kg/mm2 vs. 1.06 Kg/mm2). X-ray diffraction (XRD) technique applied close to the weld highlighted anomalously high stress-level on the outer surface for all four butt-joint samples tested. Residual-stress over 400 MPa observed along the cylinder s tangential...
Proceedings Papers

Proc. ASME. PVP2020, Volume 3: Design and Analysis, V003T03A012, August 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: PVP2020-21688
... with an optimized assembly procedure, which is enabled with advanced numerical modeling. A significantly improved uniform distribution of bolt preloads is achieved by optimizing the makeup torques, which is implemented by using physical test data as input and uniformly distributed preloads as the target function...
Proceedings Papers

Proc. ASME. PVP2020, Volume 8: Operations, Applications, and Components, V008T08A020, August 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: PVP2020-21835
... which can adversely impact plant operations and personnel safety. The loss of valve supplier credibility is a concern that rarely occurs in mature economies but seem to be more prevalent in countries where design and testing standards are either relatively new or non-existent. To address this issue...
Topics: Testing, Valves
Proceedings Papers

Proc. ASME. PVP2020, Volume 2: Computer Technology and Bolted Joints, V002T02A025, August 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: PVP2020-21541
... preload and the underhead torque, and interchangeable underhead washers. The testing apparatus is provided with a device which allows preventing undesired rotation of the washers. The washer material and surface treatment change among the different specimen sets. The tightening torque is applied by means...
Proceedings Papers

Proc. ASME. PVP2020, Volume 1: Codes and Standards, V001T01A016, August 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: PVP2020-21406
... fatigue testing corrosion metals reactor/nuclear structural integrity Abstract The effect of environment on fatigue life is currently assessed using methods (such as NUREG/CR-6909) that may be excessively conservative when applied to plant components and loading transients. To reduce...
Proceedings Papers

Proc. ASME. PVP2020, Volume 1: Codes and Standards, V001T01A018, August 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: PVP2020-21424
... fatigue crack growth design codes testing non-isothermal Abstract Laboratory data have indicated that light water reactor environments can significantly reduce the fatigue life and crack growth performance of austenitic stainless steels. These environmental effects have been codified...
Proceedings Papers

Proc. ASME. PVP2019, Volume 1: Codes and Standards, V001T01A101, July 14–19, 2019
Publisher: American Society of Mechanical Engineers
Paper No: PVP2019-93429
... models used in both welding process and stress analysis. creep weld welding testing HRSG-PIPELINE WELD RESIDUAL-STRESS MEASUREMENT TO ASSESS INFLUENCE OVER CREEP-ANALYSIS RESULTS FROM ITALIAN CODE, AMERICAN STANDARD Ottaviano Grisolia Lorenzo Scano, Francesco Piccini INAIL, Central Research...