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Since the support structure of an offshore wind turbine has to withstand severe environmental loads such as wind, wave, andseismic loads during its entire service life, the need for a robust and reliable design increases, along with the need for a cost effective design. Inaddition, a robust and reliable support structure contributes to the high availability of a wind turbine and low maintenance costs. From this pointof view, this paper presents a design process that includes design optimization and reliability analysis. First, the jacket structure of the NREL5-MW offshore wind turbine is optimized to minimize the weight and stresses, while satisfying the design requirements. Second, the reliability ofthe optimum design is evaluated and compared with that of the initial design. Although the present study results in a new optimum shape for ajacket support structure with reduced weight and increased reliability, the authors suggest that the optimum design has to be accompanied by areliability analysis during the design process, as well as reliability based design optimization if needed.

Since the support structure of an offshore wind turbine has to withstand severe environmental loads such as wind, wave, andseismic loads during its entire service life, the need for a robust and reliable design increases, along with the need for a cost effective design. Inaddition, a robust and reliable support structure contributes to the high availability of a wind turbine and low maintenance costs. From this pointof view, this paper presents a design process that includes design optimization and reliability analysis. First, the jacket structure of the NREL5-MW offshore wind turbine is optimized to minimize the weight and stresses, while satisfying the design requirements. Second, the reliability ofthe optimum design is evaluated and compared with that of the initial design. Although the present study results in a new optimum shape for ajacket support structure with reduced weight and increased reliability, the authors suggest that the optimum design has to be accompanied by areliability analysis during the design process, as well as reliability based design optimization if needed.

권호기사

권호기사 목록 테이블로 기사명, 저자명, 페이지, 원문, 기사목차 순으로 되어있습니다.
기사명 저자명 페이지 원문 목차
대칭 및 비대칭 2차원 쐐기의 입수 충격에 관한 실험적 연구 김경환, 이동엽, 홍사영, 김영식, 김병완 pp.209-217

섬진강 하구역 잘피(Z. marina)서식지의 해양환경 특성 지형석, 서희정, 김명원, 이문옥, 김종규 pp.236-244

해상풍력발전기 자켓 지지구조물의 최적설계 및 신뢰성해석 이지현, 김수영, 김명현, 신성철, 이연승 pp.218-226

발전소 온배수에 의한 해양물리학적 평가기법 개선방안 연구 김명원, 조광우, 맹준호, 강태순, 김종규 pp.245-253

세가지 다른 모형의 덕트 프로펠러의 CFD 해석과 시험에 관한 연구 정태환, 정성재, 이승건 pp.199-208

정상 정규분포 확률과정의 삼봉형 스펙트럼에 대한 피로손상 모델 비교 박준범, 정세민 pp.185-192

층화추출법에 의한 해양기상환경의 표본추출 타당성 연구 한송이, 조용진 pp.254-259

3차원 정적 집중하중을 받는 복합 탄성 케이블의 정적 해석 최윤락 pp.193-198

3차원 경사입사파동장에서 이중유공슬릿케이슨 내부의 수리특성 및 반사특성 허동수, 이준, 이우동 pp.227-235

참고문헌 (21건) : 자료제공( 네이버학술정보 )

참고문헌 목록에 대한 테이블로 번호, 참고문헌, 국회도서관 소장유무로 구성되어 있습니다.
번호 참고문헌 국회도서관 소장유무
1 Americal Instutute of Steel Consturction(AISC), 1989. Specification for Structural Steel Builidngs, Allowable Stress Design and Plastic Design. 미소장
2 American Petroleum Institute(API), 1993. Recommended Practice for Planning, Designing and Constructing Fixed Offshore Platforms-Working Stress Design. API Recommended Practice 2A-WSD (RP 2A-WSD). 미소장
3 de Vries, W., Vemula, N.K., Passon, P., Fischer, T., Kaufer, D., Matha, D., Vorpahl, F., 2011. Final Report WP4. 2: Support Structure Concepts for Deep Water Sites. Tech. Report, Project UpWind. 미소장
4 Det Norske Veritas (DNV), 1992. Structural Reliability Analysis of Marine Structures, Classification Notes No.30.6. 미소장
5 Det Norske Veritas (DNV), 1996. Joint Industry Project, Guideline for Offshore Structural Reliability Analysis: Examples for Jacket Platforms, Report No. 95-3204. 미소장
6 Bentley Systems, 2011. SACS Users Manual 5.3, Bentley Systems Incorporated. 미소장
7 Garrad Hassan GL., 2010. Bladed Ttheory Manual Version 4.1, Garrad Hassan & Partners Ltd. 미소장
8 Han, K.M., Kang, S.H., Lee, J.C., Lee, J.H., Kang, D.H., Shin, S.C., Kim, S.Y., 2011. Optimum Design of Substructure in Floating Wind Turbine. Proceedings of the Annual Autumn Meeting, SNAK, Mokpo, 3-4 November, 2011. 미소장
9 Uncertainties in Material and Geometric Strength and Load Variables 네이버 미소장
10 Design Sensitivity and Optimum Design of Monopile Support Structure in Offshore Wind Turbine 소장
11 IEC-61400-3, 2009. Wind Turbines-Part 3: Design Requirements for Offshore Wind Turbines. Edition 1.0, International Electrotechnical Commission. 미소장
12 Jonkman, J., Butterfield, S., Musial, W., Scott, G., 2009. Definition of a 5-MW Reference Wind Turbine for Offshore System Development. NREL/TP-500-38060, NREL: Golden CO. 미소장
13 Jonkman, J, Musial, W., 2010. Offshore Code Comparison Collaboration (OC3) for IEA Task 23 Offshore Wind Technology and Deployment. Contract 2010;303:275–3000. 미소장
14 Site selection of offshore wind farms around the Korean Peninsula through economic evaluation 네이버 미소장
15 Krishnakumar, K., 1989. Micro-Genetic Algorithms for Stationary and Non-Stationary Function Optimization. Proceedings of Intelligent Control and Adaptive Systems, 1196, 289. 미소장
16 Lee, D.Y., Kim, J.H., Lee, Y.S., Lee, J.H., 2012. Sensitivity Analysis and Optimization of Monopile Transition Piece in 5 MW Offshore Wind Turbines. Proceedings of the KWEA Spring Conference, KWEA, 2012. 미소장
17 Musial, W., Butterfield, S., Ram, B., 2006. Energy from Offshore Wind. the Offshore Technology Conference, 1888-1898. 미소장
18 PIAnO (Process Integration, Automation and Optimization), 2012. User’s Manual. PIDOTECH Inc. 미소장
19 Descriptive Sampling: A Better Approach to Monte Carlo Simulation 네이버 미소장
20 Saleem, Z., 2011. Alternatives and Modifications of Monopile Foundation or Its Installation Technique for Noise Mitigation. TUDelft Report, TUDelft University. 미소장
21 Eigenvector dimension reduction (EDR) method for sensitivity-free probability analysis 네이버 미소장