Assessment on shock pressure acquisition from underwater explosion using uncertainty of measurement

This study aims to verify experimentally the specifications of the data acquisition system required for the precise measurement of signals in an underwater explosion (UNDEX) experiment. The three data acquisition systems with different specifications are applied to compare their precision relatively...

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Bibliographic Details
Published in:International journal of naval architecture and ocean engineering 2017, 9(6), , pp.589-597
Main Authors: Moon, Seok-Jun, Kwon, Jeong-Il, Park, Jin-Woo, Chung, Jung-Hoon
Format: Article
Language:English
Subjects:
Data acquisition system
Naval ship
Shock pressure
Uncertainty of measurement
Underwater explosion (UNDEX) experiment
조선공학
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Summary:This study aims to verify experimentally the specifications of the data acquisition system required for the precise measurement of signals in an underwater explosion (UNDEX) experiment. The three data acquisition systems with different specifications are applied to compare their precision relatively on maximum shock pressures from UNDEX. In addition, a method of assessing the acquired signals is suggested by introducing the concept of measurement uncertainty. The underwater explosion experiments are repeated five times under same conditions, and assessment is conducted on maximum quantities acquired from underwater pressure sensors. It is confirmed that the concept of measurement uncertainty is very useful method in accrediting the measurement results of UNDEX experiments.
ISSN:2092-6782
2092-6790
DOI:10.1016/j.ijnaoe.2017.04.002