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강준혁(JoonHyuk Kang),마동희(DongHee Ma),천경섭(KyungSub Chun),전승(Seung Jeon) 한국자동차공학회 2011 한국자동차공학회 학술대회 및 전시회 Vol.2011 No.11
The operation of Tail gate depends on moment, such as Tail gate/Gas lifter, and also resistance, such as Weather strip/Air tight. Even though moment and resistance are critical factors for operation of Tail gate, we used to set up the Gas lifter-layout by engineering know-how and by trial and error, and without no consideration for resistance. Thus, it might be impossible that we set up the Gas lifter-layout optimized by prediction. In this paper we introduce air tight resistance value as a result of test, and introduce kinematic solution to predict the improved operation. The program, developed on EXCEL VBA by reflecting the test result and kinematic solution, should facilitate to improve operation of Tail gate by the prediction.
강준혁 ( Joonhyuk Kang ) 한국산업보건학회 (구 한국산업위생학회) 2016 한국산업보건학회지 Vol.26 No.4
Objectives: The objective of this study is to assess relative safety level of the decompression tables in Ministry of Employment and Labor Public Notice No. 2014-28 in comparison with overseas decompression tables. Methods: Decompression tables in the Public Notice No. 2014-28 were compared with examples from Japan, the USA, Canada, and France in terms of ascent rate, surface intervals after exceptional exposures, oxygen decompression and allowable partial pressure, depth limits in air diving, no-decompression limits, and decompression time and methods. Results: Public Notice No. 2014-28 does not include air diving depth limits, exceptional exposure limits, mandatory surface intervals after exceptional exposures, oxygen decompression, and surface decompression schedules. Its decompression time was found to be the shortest among the five decompression tables. Conclusions: Public Notice No. 2014-28 has the lowest safety level in comparison with overseas decompression tables. Deck decompression chambers are not applicable due to no regulations on surface interval and oxygen use in the chamber for decompression.