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Keywords: small-bore piping
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Journal Articles

Proposal of an Improved Contactless Measurement Method Using an Advanced Light Emitting Diode Displacement Sensor for Vibration Stress of Piping Systems

Akira Maekawa, Takashi Tsuji, Tsuneo Takahashi
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research-Article
J. Pressure Vessel Technol. August 2022, 144(4): 041901.
Paper No: PVT-20-1280
https://doi.org/10.1115/1.4051929
Published Online: December 20, 2021
... vibration measurement contactless measurement piping vibration vibration stress small-bore piping LED displacement sensor optical sensor fatigue failure One of the serious problems in nuclear power plants is fatigue failures of piping due to vibration phenomena [ 1 – 5 ]. Vibration fatigue...
View Articletitled, Proposal of an Improved Contactless Measurement Method Using an Advanced Light Emitting Diode Displacement Sensor for Vibration Stress of Piping Systems
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Topics: Displacement, Pipes, Sensors, Stress, Vibration, Instrumentation, Accuracy and precision, Piping systems
Journal Articles

A Method Using Optical Contactless Displacement Sensors to Measure Vibration Stress of Small-Bore Piping

Akira Maekawa, Takashi Tsuji, Tsuneo Takahashi, Michiyasu Noda
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research-Article
J. Pressure Vessel Technol. February 2014, 136(1): 011202.
Paper No: PVT-12-1047
https://doi.org/10.1115/1.4025082
Published Online: October 23, 2013
... and the vibration stress was estimated by measuring the deformation geometry of the piping caused by oscillation, which was measured as the piping curvature radius. The method provided fast and simple vibration estimates for small-bore piping. Its verification and practicality were confirmed by vibration tests...
View Articletitled, A Method Using Optical Contactless Displacement Sensors to Measure Vibration Stress of Small-Bore Piping
Open the PDF for A Method Using Optical Contactless Displacement Sensors to Measure Vibration Stress of Small-Bore Piping in another window
Topics: Pipes, Stress, Vibration, Displacement, Sensors, Vibration tests, Piping systems