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Evaluation of Data-Logging Transducer to Passively Collect Pressure Vessel p/T HistoryPressure vessels owned and operated by NASA are required to be regularly certified per agency policy. Certification requires an assessment of damage mechanisms and an estimation of vessel remaining life. Since detail service histories are not typically available for most pressure vessels, a conservative estimate of vessel pressure/temperature excursions is typically used in assessing fatigue life. This paper details trial use of a data-logging transducer to passively obtain actual pressure and temperature service histories of pressure vessels. The approach was found to have some potential for cost savings and other benefits in certain cases.
Document ID
20130013705
Document Type
Technical Memorandum (TM)
Authors
Wnuk, Stephen P.
(NASA Glenn Research Center Cleveland, OH, United States)
Le, Son
(NASA Stennis Space Center Stennis Space Center, MS, United States)
Loew, Raymond A.
(Sierra Lobo, Inc. Fremont, OH, United States)
Date Acquired
August 27, 2013
Publication Date
March 1, 2013
Subject Category
Quality Assurance And Reliability
Report/Patent Number
E-18640
NASA/TM-2013-217852
Meeting Information
59th International Instrumentation Symposium (IIS)(Cleveland, OH)
Funding Number(s)
WBS: WBS 736466.06.08.03.03.05
Distribution Limits
Public
Copyright
Public Use Permitted.

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