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부유식 해상풍력발전기의 자세제어장치 개발을 위한 환형 실린더 탱크의 슬로싱 실험
서명우(Seo, Myeongwoo),정의봉(Jeong, Weuibong),조진래(Cho, Jinrae) 한국소음진동공학회 2013 한국소음진동공학회 논문집 Vol.23 No.1
The floating offshore wind turbines are usually exposed to the wave and wind excitations which are irregular and undirected. In this paper, the sloshing characteristics of annular cylindrical tank were experimentally investigated to reduce the structural dynamic motion of floating offshore wind turbine which is robust to the irregular change of excitation direction of wind and wave. The formula for the natural sloshing frequencies of this annular cylindrical tank was derived theoretically. In order to validate this formula, the shaking equipment was established and frequency response functions were measured. Two types of tank were considered. The first and second natural sloshing frequencies were investigated according to the depth of the water. It has been observed that between theoretical and experimental results shows a good agreement.
센서 및 공간정보 기반의 도시시설물 통합관리 서비스에 관한 연구
서동섭(Seo, Dong Seob),서명우(Seo, Myung woo),백송훈(Baik, Song hoon),김태훈(Kim, Tae hoon) 한국측량학회 2011 한국측량학회 학술대회자료집 Vol.2011 No.4
This Research is on defining service architecture for interoperability and effective integration of various facility management system on basis of intelligent realtime sensor information and facility space property.