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수치해석을 이용한 해양시추용 드릴비트의 구조적 안전성 평가
유찬욱(Ryu canuk),박재현(Park jaehyoun),김정렬(Kim jeongryul),배재일(Bae jaeil) 대한기계학회 2013 대한기계학회 춘추학술대회 Vol.2013 No.12
A drill bit is the component of the offshore drilling machine for pulverizing the aquifer which is under the abyssal sea to drill for oil and gas. During top drive are spinning, it connect with drill collar, pipe and then also spinning all of them. In this paper, the strength of drill bit are implemented to evaluate to drill bit safety when the abyssal sea which is considered only 1,700m pressure to the drill bit. Additionally, the torque from top drive also applied in this analysis. The drill bit have many kind of types, the previous analysis it chose tungsten carbide type. Base on the analysis results, we conclude that the tungsten carbide type drill bit could perform the drilling aquifer.
안정철(An JungChul),김정환(Kim JeongHwan),박재현(Park JaeHyoun),백점기(Paik JeomKee),김동균(Kim DongKyun) 대한기계학회 2009 대한기계학회 춘추학술대회 Vol.2009 No.11
In general, with current computer system, not only it is too difficult to create geometry model with many holes, but it is too difficult to analyze FE-model. In this research, to solve these problems, I used the techniques of global-local analysis and equivalent property analysis. To my satisfaction, I obtained good results. And, these techniques were helpful to solve similar these problems and obtain accurate results.
선박추진축계용 스턴튜브 부시 유닛의 부시 압입에 대한 연구
안정철(An JungChul),김정환(Kim JeongHwan),최주형(Choi JooHyoung),박재현(Park JaeHyoun),황태규(Hwang TaeGyu),김동균(Kim DongGyun) 한국마린엔지니어링학회 2009 한국마린엔지니어링학회 학술대회 논문집 Vol.2009 No.-
Shipbuilding or ship-related engineers are well aware of the difficulties in handling shaft system since it is one of the most important parts of a ship in addition to the fact it has so far been being imported form abroad. Therefore, this paper is prepared to the improvement in dealing with shaft system at the shipyard for the reference of the people engaged in designing and fabricating of the stem tube unit system.