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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.12
- 수록면
- 446 - 456 (11page)
이용수
초록· 키워드
오류제보하기
To build an environment facility of a large-scale ocean basin, various detailed reviews are required, but it is difficult to find data that introduces the related research or construction processes on the environment facility. The current generator facility for offshore structure safety evaluation tests should be implemented by rotating the water of the basin. However, when the water in the large basin rotates, relatively large flow irregularities may occur and the uniformity may not be adequate. In this paper, design and review were conducted to satisfy the performance goals of the DOEB through computational numerical analysis on the shape of the waterway and the flow straightening devices to form the current in the large tank. Based on this, the head loss, which decreases the flow rate when the large tank water rotates through the water channel, was estimated and used as the pump capacity (impeller) design data. The impeller of the DOEB current generator was designed through computational numerical analysis (CFD) based on the lift surface theory from the axial-type impeller shape for satisfying the head loss of the waterway and maximum current velocity. In order to confirm the performance of the designed impeller system, the flow rate and flow velocity performance were checked through factory test operation. And, after installing DOEB, the current flow rate and velocity performance were reviewed compare with the original design target values.
Finally, by measuring the current velocity of the test area in DOEB formed through the current generator, the spatial current distribution characteristics in the test area were analyzed. Through the analysis of the current distribution characteristics of the DOEB test area, it was confirmed that the realization of the maximum current velocity and the average flow velocity distribution, the main performance goals in the waterway design process, were satisfied.
Finally, by measuring the current velocity of the test area in DOEB formed through the current generator, the spatial current distribution characteristics in the test area were analyzed. Through the analysis of the current distribution characteristics of the DOEB test area, it was confirmed that the realization of the maximum current velocity and the average flow velocity distribution, the main performance goals in the waterway design process, were satisfied.
목차
ABSTRACT
1. Introduction
2. Design of Current Generator in DOEB
3. Analysis of the Current Characteristics in DOEB
4. Conclusions
References
참고문헌 (7)
참고문헌 신청
Buchner, B., & de Wilde, J. (2008). Current Modeling Experience in an Offshore Basin." Proceedings of the ASME 2008 27th International Conference on Offshore Mechanics and Arctic Engineering. Volume 4: Ocean Engineering; Offshore Renewable Energy. Estoril, Portugal, 417–424. https://doi.org/10.1115/OMAE2008-57597
Finnigan, T., Irani, M., & Van Dijk, RRT. (2005). Truss Spar VIM in Waves and Currents. Proceedings of the ASME 2005 24th International Conference on Offshore Mechanics and Arctic Engineering. 24th International Conference on Offshore Mechanics and Arctic Engineering: Volume 2. Halkidiki, Greece, 475–482. https://doi.org/10.1115/OMAE2005-67054
Lu, H., Yang, J., Peng, T., & Chen, Gang. (2007). Numerical and Experimental Research on Current Generation in Deep Water Offshore Basin. Journal of Hydrodynamics, 19(5), 551-558. https://doi.org/10.1016/S1001-6058(07)60152-8
Buchner, B., & de Wilde, J. (2008). Current Modeling Experience in an Offshore Basin." Proceedings of the ASME 2008 27th International Conference on Offshore Mechanics and Arctic Engineering. Volume 4: Ocean Engineering; Offshore Renewable Energy. Estoril, Portugal, 417-424. https://doi.org/10.1115/OMAE2008-57597
Park, I.R., Kim, J.H., Hong, S.W., & Sung, H.G. (2014) Numerical Investigation of Current Generation Performance in a Large Ocean Engineering. Proceedings of the Eleventh Pacific-Asia Offshore Mechanics Symposium. Shanghai, China.
Finnigan, T., Irani, M., & Van Dijk, RRT. (2005). Truss Spar VIM in Waves and Currents. Proceedings of the ASME 2005 24th International Conference on Offshore Mechanics and Arctic Engineering. 24th International Conference on Offshore Mechanics and Arctic Engineering: Volume 2. Halkidiki, Greece, 475–482. https://doi.org/10.1115/OMAE2005-67054
Lu, H., Yang, J., Peng, T., & Chen, Gang. (2007). Numerical and Experimental Research on Current Generation in Deep Water Offshore Basin. Journal of Hydrodynamics, 19(5), 551-558. https://doi.org/10.1016/S1001-6058(07)60152-8
Buchner, B., & de Wilde, J. (2008). Current Modeling Experience in an Offshore Basin." Proceedings of the ASME 2008 27th International Conference on Offshore Mechanics and Arctic Engineering. Volume 4: Ocean Engineering; Offshore Renewable Energy. Estoril, Portugal, 417-424. https://doi.org/10.1115/OMAE2008-57597
Park, I.R., Kim, J.H., Hong, S.W., & Sung, H.G. (2014) Numerical Investigation of Current Generation Performance in a Large Ocean Engineering. Proceedings of the Eleventh Pacific-Asia Offshore Mechanics Symposium. Shanghai, China.
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