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Acoustic Emission-Based Health Monitoring of Space Launch System StructuresThis report documents the technical accomplishments of the project, “Acoustic Emission- Based Health Monitoring of Space Launch System Structures,” sponsored by the National Aeronautics and Space Administration (Award No. NNM13AA12G). As the project title suggests, the goal of the project was to develop a structural health monitoring (SHM) system for Space Launch System (SLS) vehicles based on acoustic emission (AE) or AE-like signals. Such a system will enhance SLS reliability by identifying the damage locations and type of damage when the damage is initiated. This SHM system would also lead to reduced maintenance costs by enabling ground support equipment to inspect only SLS elements or parts that are likely to be damaged. Finally, it will facilitate lean designs that meet tolerance levels specified by barely detectable damage. By avoiding excess conservatism in this manner, this SHM system will further reduce manufacturing costs of SLS vehicles.
Document ID
20190032402
Acquisition Source
Marshall Space Flight Center
Document Type
Contractor Report (CR)
Authors
Adams, D. O. (Utah Univ. Salt Lake City, UT, United States)
Zhou, J. (Utah Univ. Salt Lake City, UT, United States)
Kim, S. (Utah Univ. Salt Lake City, UT, United States)
Uprety, B. (Utah Univ. Salt Lake City, UT, United States)
Mathews, V. J. (Oregon State Univ. Corvallis, OR, United States)
Date Acquired
October 30, 2019
Publication Date
September 1, 2019
Subject Category
Acoustics
Report/Patent Number
NASA/CR-2019–220138
Funding Number(s)
CONTRACT_GRANT: NNM13AA12G
Distribution Limits
Public
Copyright
Public Use Permitted.

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