International Journal of Naval Architecture and Ocean Engineering

The Society of Naval Architects of Korea (대한조선학회)
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Assessment on shock pressure acquisition from underwater explosion using uncertainty of measurement

  • Moon, Seok-Jun (Dept. of System Dynamics Research, Korea Institute of Machinery and Materials) ;
  • Kwon, Jeong-Il (Dept. of System Dynamics Research, Korea Institute of Machinery and Materials) ;
  • Park, Jin-Woo (Dept. of System Dynamics Research, Korea Institute of Machinery and Materials) ;
  • Chung, Jung-Hoon (Dept. of System Dynamics Research, Korea Institute of Machinery and Materials)
  • Received : 2016.12.13
  • Accepted : 2017.04.10
  • Published : 2017.11.30
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Abstract

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.

Keywords

References

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