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아티큘레이티드 타워 형태의 부이 구조물에 관한 파랑 중 운동응답 및 앵커 지지력에 관한 모형시험 연구
권용주(Yong-Ju Kwon),남보우(Bo Woo Nam),김남우(Nam Woo Kim),원영욱(Young-Uk Won),박인보(In-Bo Park),김시문(Sea-Moon Kim) 한국해양공학회 2019 韓國海洋工學會誌 Vol.33 No.3
A series of model tests was performed to evaluate the survivability of an articulated tower-type buoy structure under harsh environmental conditions. The buoy structure consisted of three long pipes, a buoyancy module, and top equipment. The scale model was made of acrylic pipe and plastic with a scale ratio of 1/22. The experiments were carried out at the ocean engineering basin of KRISO. The performance of the buoy structure was investigated under waves only and under combined environmental conditions from sea state (SS) 5 to 7. A nonlinear time-domain numerical simulation was conducted using the mooring analysis program OrcaFlex. The survivability of the buoy was analyzed based on three factors: the pitch motion, submergence of the top structure, and anchor reaction force. The model test results were directly compared to the results of numerical simulations. The effects of the sea state and combined environment on the performance of the buoy structure were investigated.
터렛 계류된 FPSO의 운동응답 및 계류선 손상 시 거동 특성에 대한 실험적 연구
홍장표(Jang-Pyo Hong),조석규(Seok-Kyu Cho),서장훈(Jang-Hoon Seo),성홍근(Hong-Gun Sung),이동엽(Dong Yeop Lee),박인보(In Bo Park),원영욱(Young Uk Won),최성권(Sung Kwon Choi),김대응(Dae-woong Kim) 한국해양공학회 2015 韓國海洋工學會誌 Vol.29 No.3
FPSO model tests of mooring line failure were carried out in the ocean basin at KRISO. The characteristics of the motions and mooring lines were investigated. The FPSO ship was moored using an internal turret and catenary mooring. The test model was 1/60 scale. The mooring lines were designed to satisfy the characteristics of the original mooring lines using the truncation method. The experiments were conducted under various environments: a safe wave, current and wind condition; single broken mooring line condition; and transient mode condition. The moment of the break was determined based on experimental test results. The results showed that the FPSO behavior and mooring line tensions were acceptable under the failure condition.
원영욱,김정범 강원대학교 정보통신연구소 2005 정보통신논문지 Vol.9 No.-
The electronic dispenser is composed of electronic part and mechanical part. Electronic part is consisted of input keypad, micro-controller, display module, and pump module. In this paper we designed micro-controller for electronic part. The micro-controller controls display module and pump module. The display module is composed by LCD device, and the pump module is composed by motor device. The micro-controller for an electronic dispenser is designed by VHDL. We used WX12864AP1 for the LCD device and SPS 20 for the stepping motor. Also, the micro-controller is designed by Altera Quartus tool and verified with Agent 2000 Design-kit using APEX20K Device. In this paper, we present possibility to adopt of biotechnology field through designing of one-chip controller for an electronic dispenser.