http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
중소형 플랜트의 표준화된 플랜트 엔지니어링 활동 모델 개발: 상세설계를 중심으로
신중욱,염충섭,Shin, Jung Uk,Yeom, Choong Sub 한국시스템엔지니어링학회 2018 시스템엔지니어링학술지 Vol.14 No.1
Plant Engineering is a series of activities going through following life cycle phases: planning, basic design, detailed design, procurement and construction, commissioning, operation and maintenance, to produce a target product. From among these phases of plant engineering life cycle, a detailed design phase is an important phase producing final design deliveries. Luckily, through technical co-operation and experiences of constructing plants, large Korean engineering companies have accumulated know-hows of efficient detailed designs. However, smaller engineering companies have less experience of performing detailed designs so there is always a risk of causing design errors in the detailed design phase. To mitigate the risk of design errors in the detailed design phase, it is necessary to systematize a concrete activity model of a detailed design phase. In this paper, we have developed a prototype of a detailed design activity model through a widely used function modeling methodology called IDEF0.
시스템엔지니어링 기반 산업 폐열 발전시스템 경제성 분석 모듈 설계
김준영,차재민,박성호,신중욱,이태경,Kim, Joon Young,Cha, Jae Min,Park, Sung Ho,Shin, Jung Uk,Lee, Tae Kyong 한국시스템엔지니어링학회 2018 시스템엔지니어링학술지 Vol.14 No.1
In the energy-guzzling industries such as steel making and cement, power plants utilizing waste heat have been attracting attention to increase energy efficiency. However, the existing economic analysis system doesn't consider the special working fluids and the cost models of the main equipment used in the waste heat recovery power plant. So it is difficult to estimate the plant economics accurately. Therefore, It is required to develop a economic analysis module that can more accurately evaluate for the power plant. In this study, the systems engineering approach was used to design and develop the module that systematically reflects the characteristics of the power plant and various requirements. Specifically, first, the special working fluids and main equipment applied to the power plant were investigated. Next, the cost models for each equipment were developed. Finally, the economic analysis module based on this was developed.
플라즈마기술을 적용한 메탄-이산화탄소 가스개질기술 현황
오승천(Seung-Chun Oh),류재홍(Jae-Hong Ryu),신중욱(Jung-Uk Shin),강석환(Suk-Hwan Kang),김진호(Jin-Ho Kim),김효식(Hyo-Sik Kim),정기진(Ki-Jin Jeong),홍용철(Yong-Cheol Hong) 한국에너지기후변화학회 2014 에너지기후변화학회지 Vol.9 No.2
Plasma technology is considered to be one of potential ways for CH₄-CO₂ reforming. In this paper, plasma technology for CH₄-CO₂ reforming is overviewed. Cold plasma and thermal plasma technologies for CH₄-CO₂ reforming presented with evaluation for their performances. Electron density, plasma temperature and reactor configurations are key factors to improve treatment capacity and energy efficiency of plasma reforming technologies. For industrial application of plasma reforming technology, scale-up of plasma reactor was important with three factors (Electron density, plasma temperature and reactor configurations), and connection with catalysts should be developed continuously in future work.
산업용 디젤엔진에 대한 코로나탈질기술 적용에 관한 연구
장홍기(Hong Ki Chang),최창식(Chang Sik Choi),신중욱(Jung Uk Shin),지영연(Young Yeon Ji),홍민선(Min Sun Hong),정윤진(Yoon Jin Chung) 大韓環境工學會 2007 대한환경공학회지 Vol.29 No.11
다양한 배출 특성을 지닌 질소산화물을 제어하기 위해, 코로나 방전 탈질 시스템을 대용량 발전 설비에 적용해 그 가능성과 경제성을 파악하는 연구를 수행하였다. 특히, 탈질 효율과 소비에너지와의 상관관계를 파악하는데 중점을 두었으며, 실험한 결과 조건마다 약간의 차이는 있으나 유량이 많고 초기 농도가 낮을수록 소비에너지가 작아지는 경향을 확인할 수 있었다. 7.5 kW급 출력 용량의 펄스전원을 이용한 시험에선, 0.6 MW급 발전시설의 배가스 처리를 위해 대략 15 kW급 출력용량의 펄스전원이 필요하다는 것을 알았다. 이 때 약 65% 정도의 탈질 효율을 나타냈으며 최적의 반응기 형태를 위해 1.5∼1.7 ms/ppm 이상의 체류시간이 필요함을 알았다. 또한, 최적 반응기 설계 제작을 위한 임피던스 정합이 중요하며, 반응기 정전용량 대비 펄스전원 출력부의 30% 이내로 설계해 주었을 때 시스템이 안정적으로 운전됨을 확인하였다. 이 조건에서 반응기에 투입되는 최적의 펄스당 방전 에너지는 약 20∼25 J/pulse 범위일 때 최적의 제거효과를 보였다. We have studied to find out the possibilities and economical efficiencies of multi-staged corona DeNOx process which is applicable for the industrial power facilities. Especially, We focused on the relation between DeNOx efficiencies and energy costs, and the test result showed that the energy costs seem to be lowered at high flow rates and low NOx concentrations. 7.5 kW pulsed power supply test showed that the 15 kW pulse power supply might be required for the 0.6 MW industrial diesel engine exhaust gas treatment with 65% DeNOx efficiency, and that the minimum 1.5~1.7 ms/ppm of residence time for optimal reactor design. Also, impedance matching between the energy cost and NOx removal efficiency is very important scale up factor to optimal reactor design and manufacturing for system stability. generally, about 30%(reactor capacitance versus pulse power supply capacitance) is optimal level and 20~25 J/pulse is optimal discharging energy.