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논문 기본 정보

자료유형
학술저널
저자정보
이석규 (LIG NEX1) 한형석 (Defense Agency for Technology and Quality) 성우제 (Seoul National University) 설한신 (Korea Research Institute Ships & Ocean Engineering) 나선근 (LIG NEX1) 전관수 (LIG NEX1)
저널정보
한국소음진동공학회 한국소음진동공학회논문집 한국소음진동공학회논문집 제34권 제3호(통권 278호)
발행연도
2024.6
수록면
233 - 250 (18page)
DOI
10.5050/KSNVE.2024.34.3.233

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초록· 키워드

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An experimental study was conducted to confirm the CIS monitoring algorithm using the kurtosis value of the DEMON spectrum and cavitation source localization estimation algorithm using the matched field inversion technique with the currently operating battleship model. Hull attachment sensors (acoustic, acceleration) were attached to the model installed in a large cavitation tunnel. The model was tested based on speed/condition, and the measured signals were processed and analyzed using algorithms. The CIS monitoring algorithm was evaluated as predictable within the error range. However, when affected by singing, it was confirmed that it was predictable within the error range when the corresponding frequency band was checked and excluded from the algorithm. The cavitation source localization estimation algorithm estimated similar locations in the process of selecting and analyzing cases that occur intermittently and occur in a single location as much as possible. However, we analyzed that an error in the angular direction occurred because of source localization estimation when the difference between the location of cavitation and location of collapse occurred first owing to cavitation in the hub.

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ABSTRACT
1. 서론
2. 모형시험 셋업 및 시험조건
3. 음향센서 배열 및 CIS 모니터링 센서위치
4. CIS 모니터링 확인 및 결과 분석
5. 캐비테이션 위치추정 확인 및 결과 분석
6. 결론
References

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