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박종혁(Jonghyuck Park),민준원(Joonwon Min),유승을(Seungeul Yoo),최정운(Jungwoon Choi),최우석(Wooseok Choi),김시동(Sidong Kim) 한국자동차공학회 2011 한국자동차공학회 학술대회 및 전시회 Vol.2011 No.11
Along with increasing awareness of the indoor air quality, the problem of removing gaseous pollutants and smell inside of vehicle has become more important than ever. Volatile organic compound (VOC) generated from inside of vehicles expose drivers to various kinds of diseases for a long period of time. This study analyzes photocatalyst and air purifier. Computational fluid dynamic analysis (CFD) was used to analyze photocatalyst responses and fluid in accordance with the influx of air.
최광희(Kwanghee Choi),박종혁(Jonghyuck Park),박종은(Jongeun Park) 대한기계학회 2009 대한기계학회 춘추학술대회 Vol.2009 No.5
The emergency diesel generator (EDG) of the nuclear power plant is designed to supply the power to the nuclear reactor on Station Black Out (SBO) condition. The operation reliability of onsite emergency diesel generator should be ensured by periodic test and preventive maintenance. Engine which is key component of EDG should be maintained performance of engine as optimum condition. EDG of our domestic nuclear power plant are used to disassemble and inspection conservatively on regular period even though that performance is normal condition. So, it is necessary to apply the predictive maintenance based on condition monitoring evaluation for optimum maintenance. In this paper, testing experience and evaluations on emergency diesel generator of domestic nuclear power unit are described