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해상크레인을 이용한 다양한 해저 장비의 설치 작업 시 상하운동응답특성에 관한 모형 시험 연구
최영명(Young-Myung Choi),남보우(Bo Woo Nam),김남우(Nam Woo Kim),박인보(In Bo Park),홍사영(Sa Young Hong),김종욱(Jong Wook Kim) 한국해양공학회 2016 韓國海洋工學會誌 Vol.30 No.2
An experimental study on a subsea installation using an offshore crane was conducted. Concrete blocks, suction piles, and manifolds were considered in this study. Free decay tests were conducted to investigate the fluid characteristics of the subsea structures. The added masses of the structures were estimated. The motion response amplitudes of the subsea structures were compared for different structures and water depths. In addition, the dynamic tension transfer function of the crane wire was investigated. The root mean square values of the heave motion and the dynamic amplification factor of the wire tension were investigated in irregular waves.
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.
기후변화의 영향을 고려한 한반도 해안지역 대수층의 해수침투 영향 분석
양정석(Yang Jeong-Seok),남재준(Nam Jae-Joon),박인보(Park In-Bo),김상단(Kim Sangdan) 대한토목학회 2011 대한토목학회논문집 B Vol.31 No.1B
한반도의 해안 지하수 및 해수면 수위, 수온, 그리고 전기전도도(Electrical Conductivity, EC) 관측 자료를 통해 경향성 분석을 실시하여, 한반도 대수층의 해수침투 영향을 연구하였다. 총 27개소의 지하수위 및 EC 자료를 분석한 결과 지하수위는 27 개소 모두 안정된 경향을 보였으며, EC는 증가 9개소, 안정 10개소, 감소 8개소로서 안정 및 변동의 경향을 나타내고 있으며, 해수면 수온은 총 14개소의 관측소 중 증가 12개소, 안정 2개소로서 증가의 경향이 대부분인 것으로 나타났으며, 해수면 수위 또한 총 24개소의 관측소 중 증가 18개소, 안정 3개소, 감소 3개소로 대부분의 관측소가 증가의 경향을 보였다. 특히, 동해와 남해안보다 서해의 해수면수위, 수온 및 EC의 모든 연구 항목의 상승 경향성을 보이는 관측소 비율이 높은 것으로 분석되어, 서해안에서 해수침투 영향이 타 해안보다 심각한 것으로 판단되며, 이에 대한 연구 및 대책이 강구되어야 하겠다. Saltwater intrusion effects of coastal aquifers in Korea peninsula were analyzed through trend analysis with groundwater level, seawater level, seawater temperature, and electrical resistivity(EC) data sets. Groundwater level and EC data sets from 27 coastal regions were collected and analyzed. Groundwater level was stable for all the regions however EC data showed stable or changing trends (9 increasing, 10 stable, and 8 decreasing regions). Seawater temperature was collected and analyzed for 14 regions and they are increasing for most regions (12 increasing and 2 stable regions). Seawater level was also collected and analyzed for 24 regions and is rising for most regions (18 rising, 3 stable, and 3 falling regions). Especially, west cost regions have stronger increasing tendencies of seawater level, seawater temperature, and EC than eastern and southern coastal regions. Therefore the saltwater intrusion problem can be serious for west cost regions in Korea peninsula and it is necessary to establish a plan to minimize the damages from saltwater intrusion.
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.
박인보,강인철 국민대학교 생산기술연구소 2002 공학기술논문집 Vol.25 No.-
The U.S. Environmental Protection Agency Storm Water Management Model, SWMM, was run continuously for a test catchment in Tallahassee, Florida in order to identify design storms from the historical record bases on a frequency analysis of peak flows and runoff volumes. The aim of this paper is to forecast the flood discharge in urban drainage system by analyzing and comparing the ILLUDAS model and the SWMM model to the drainage district when we simulate the inundation of express bus terminal station, subway line No. 7, caused the concentrated heavy rain in Seoul on July the 14th, through the 15th, 2001.
박인보 울산대학교 1974 연구논문집 Vol.5 No.1
현재까지 개발되었거나 개발 중인 여러가지 파랑의 제원에 대한 관측법을 열거, 설명하였으며 우리나라의 파랑관측에 대해 설명했다. 이렇게 관측된 여러가지 파랑자료를 평균파법으로 처리하고 이에 의해 구해진 대표파들을 이용하여 파랑현상의 구명이나 지역적인 파랑의 특성을 추정하는 방법을 설명하고 우리나라의 실측자료에 의한 예를 제시하였다. The instrumentation techniques for wave measurement have been improved greatly during the last ten years. The next step is to establish the data treatment system in order to speed up the analysis of data with adequate accuracy for practical purposes. Several methods of wave measurement are proposed and the analysis of data chosen out the East Sea is also treated.
박인보 국민대학교 생산기술연구소 2003 공학기술논문집 Vol.26 No.-
Advection and diffusion of pollutants within the Boryong Reservoir has been simulated by applying numerical diffusion models developed previously by the author. These models are merged into an integrated watershed model to predict reservoir water quality using the GIS(geographic information system). Water depths and flow velocities in the Boryong Reservoir during the normal water periods were predicted by numerical experiments with a 2-dimensional flow model so as to provide current field data for the study of advection and diffusion of pollutants.