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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.12
- 수록면
- 419 - 427 (9page)
이용수
초록· 키워드
오류제보하기
In this study, a particle image velocimetry (PIV)-based pressure estimation method was investigated, with application to the wave-in-deck loading phenomenon. An experimental study was performed in a two-dimensional wave tank using a fixed deck structure under a focused wave, obtaining local pressures by pressure sensors, global loads by load cells, and instantaneous velocity fields using the PIV measurement technique. The PIV-based pressure estimation method was applied using the Euler equation as the governing equation, and the proper time step for the wave impact pressure was studied using the normalized root-mean-square deviation. The pressure estimation method showed good agreement for the local impact pressure in comparison with the measured pressure by the pressure sensors. However, some differences were observed in the peak pressure due to the limitations of the Euler equation and the sampling rate of the measurement system. Using the estimation method, the pressure fields during wave-in-deck loading were determined in the study, with an analysis of the mechanism of impact and negative pressure occurrence.
목차
ABSTRACT
1. Introduction
2. Theoretical Background
3. Wave-in-Deck Load Experiment Method
4. Experimental Results
5. Conclusion
References
참고문헌 (33)
참고문헌 신청
Abdussamie, N., Thomas, G., Amin, W., & Ojeda, R. (2014). Wave-in-Deck Forces on Fixed Horizontal Decks of Offshore Platforms. Proceedings of the 33rd International Conference on Ocean, Offshore and Arctic Engineering, San Francisco, USA, 1-11. https://doi.org/10.1115/OMAE2014-23629
Ariyarathne, K., Chang, K.A., & Mercier, R. (2012). Green Water Impact Pressure on a Three-dimensional Model Structure. Experiments in Fluids, 53(6), 1879-1894. https://doi.org/10.1007/s00348-012-1399-9
Baur T., & Kongeter J. (1999). PIV with High Temporal Resolution for the Determination of Local Pressure Reductions from Coherent Turbulent Phenomena. Proceedings of 3rd Internatinal Workshop on Particle Image Velocimetry, Santa Barbara, USA, 101?106.
Buchner, B., & Voogt, A. (2000). The Effect of Bow Flare Angle on FPSO Green Water Loading. Proceedings of ETCE/OMAE2000 Joint Conference, Energy for the New Millenium, 14-17 February 2000.
Chanson, H. (1997). Air Bubble Entrainment in Free-surface Turbulent Shear Flows. Academic Press, Inc. https://doi.org/10.1016/B978-0-12-168110-4.X5000-0
Ariyarathne, K., Chang, K.A., & Mercier, R. (2012). Green Water Impact Pressure on a Three-dimensional Model Structure. Experiments in Fluids, 53(6), 1879-1894. https://doi.org/10.1007/s00348-012-1399-9
Baur T., & Kongeter J. (1999). PIV with High Temporal Resolution for the Determination of Local Pressure Reductions from Coherent Turbulent Phenomena. Proceedings of 3rd Internatinal Workshop on Particle Image Velocimetry, Santa Barbara, USA, 101?106.
Buchner, B., & Voogt, A. (2000). The Effect of Bow Flare Angle on FPSO Green Water Loading. Proceedings of ETCE/OMAE2000 Joint Conference, Energy for the New Millenium, 14-17 February 2000.
Chanson, H. (1997). Air Bubble Entrainment in Free-surface Turbulent Shear Flows. Academic Press, Inc. https://doi.org/10.1016/B978-0-12-168110-4.X5000-0
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