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J. Ocean Eng. Technol. > Volume 26(6); 2012 > Article
J. Ocean Eng. Technol. 2012;26(6):66-73.
DOI: https://doi.org/10.5574/KSOE.2012.26.6.066   
Structural Design Equation for a Box-shape Pressure Compensated Chamber of Pilot Mining Robot
Lee Minuk,Hong Sup,Lim Woochul,Lee Tae Hee,Choi Jong-Su
Ocean System Engineering Research Division KIOST,Ocean System Engineering Research Division KIOST,Department of Automotive Engineering Hanyang University,Department of Automotive Engineering Hanyang University,Ocean System Engineering Research Divisio
파일럿 집광로봇 박스형 압력보상용기 구조설계식
한국해양과학기술원 해양시스탬연구부,한국해양과학기술원 해양시스탬연구부,한양대학교 자동차공학과,한양대학교 자동차공학과,한국해양과학기술원 해양시스탬연구부
Key Words: Pilot mining robot, Electronic-electrical system, Pressure compensated chamber, Prying action
핵심용어: 파일럿 집광로봇, 전기-전자 시스템, 압력보상용기, 지렛대 작용
A pressure compensated chamber of a pilot mining robot isolates and protects an electrical-electronic system from the ambient highly pressured water. Since the inner pressure of the chamber is compensated with outer water pressure using hydraulic oil and pressure compensator, there exists a pressure difference, less than 1 bar, between outer and inner surface. The structural safety of the chamber is obtained relatively easier than the canister type which inner pressure is kept as the atmospheric pressure. However, due to the adoption of box shape for space efficiency and usage of the transparent engineering plastic viewport for checking inner circumstance, the viewport can be largely deformed. This large deformation can cause an additional tensile force, called the prying force, to the bolt-flange connection parts of the viewport. In this paper, we suggest the structural design equation considering the prying action for designing the structure of a box-shape pressure compensated chamber.
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