International Journal of Naval Architecture and Ocean Engineering

  • 제9권6호
  • /
  • Pages.589-597
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  • 2017
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  • 2092-6782(pISSN)
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  • 2092-6790(eISSN)
대한조선학회 (The Society of Naval Architects of Korea)
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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)
  • 투고 : 2016.12.13
  • 심사 : 2017.04.10
  • 발행 : 2017.11.30
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초록

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.

키워드

참고문헌

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피인용 문헌

  1. Visualization of shock wave propagation due to underwater explosion vol.23, pp.5, 2017, https://doi.org/10.1007/s12650-020-00664-9
  2. Dynamic and whipping response of the surface ship subjected to underwater explosion: experiment and simulation vol.15, pp.10, 2017, https://doi.org/10.1080/17445302.2019.1706924
  3. Experimental and numerical investigations of near-field underwater explosions vol.77, pp.3, 2021, https://doi.org/10.12989/sem.2021.77.3.395
  4. Advanced Development of Sensors’ Roles in Maritime-Based Industry and Research: From Field Monitoring to High-Risk Phenomenon Measurement vol.11, pp.9, 2017, https://doi.org/10.3390/app11093954