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녹색 신교통 시스템 바이모달트램의 비용-수요 공급곡선을 고려한 도시 대중교통체계 적용 특성 분석
김홍석(Kim Hong-seok),김량균(Kim Ryang-Gyun),함재현(Ham Jae-Hyun),전재청(Jeon Jae-Cheong),윤희택(Yoon Hee-Taek) 한국철도학회 2010 한국철도학회 학술발표대회논문집 Vol.2010 No.7
We studied the cost-volume supply characteristic of public transportation systems focused on Bi-modal Tram in the main cities to analyze the applicability and status for the new transit system Bi-modal Tram as public transportation system. The operation cost considering the characteristic of vehicle, facilities, operation and average cost for respective public transportation system and the time cost considering the travel and transfer time are defined to the social cost, and the cost-volume supply curve is based on this social cost. The cost-volume supply characteristic between public transportation modes in the city is determined on the basis of cost-volume supply curve. Through the comparison between cost-volume supply characteristic of main transportation systems, it is analyzed about the relation between public transportation systems in the city and the characteristic for proper service provision. The application of Bi-modal Tram in the city is concluded that it is effective to reduce the social cost on the existing public transportation system.
고로 내 미분탄 연소조건에서 탄종에 따른 입자온도와 CO/CO<sub>2</sub> 배출 특성에 관한 연구
조영재,김진호,김량균,김규보,전충환,Cho, Young Jae,Kim, Jin Ho,Kim, Ryang Gyun,Kim, Gyu Bo,Jeon, Chung Hwan 대한기계학회 2014 大韓機械學會論文集B Vol.38 No.10
본 연구는 최근 대형고로에 도입된 PCI 시스템에서 석탄의 탄종에 따른 연소 특성을 파악하기 위해, 고로내 석탄의 연소환경을 잘 모사할 수 있는 층류반응기(LFR)을 이용하여 화염형상을 분석하고, 체류시간별 입자의 온도와 배기가스인 CO와 $CO_2$를 측정하였다. 화염형상의 가시적인 분석뿐만 아니라, 입자온도와 배기가스의 배출특성을 근거로 하여 휘발분 연소와 촤 연소 구간을 구분하였다. 특히 CO는 고로내 발생하는 산화철의 환원반응에 영향을 주는 인자로써, 본 연구에서는 탄종별 CO의 배출시점과 특성에 대한 분석이 이루어졌다. 휘발분 함량이 많은 탄종의 연소 초기 입자온도는 높게 측정되었지만, 휘발분 연소구간이 길어지면서 이후에 연속적으로 시작되는 촤 연소가 지연되었다. 촤 연소구간에서는 연료비가 높을수록 CO발생량이 상대적으로 많고, 적정온도가 유지되었다. This study was performed using a laminar flow reactor that could replicate the combustion environment of pulverized coal in a blast furnace. Since a pulverized coal injection system was developed for iron making, the combustion characteristics of pulverized coal have been important in the iron and steel industry. The flame structure, particle temperature, and exhaust gas were investigated for different types of coal. The results of this study demonstrated that the combustion characteristics of coal are influenced by several properties of individual coals. In particular, the CO emission and volatile matter content of individual coals were found to have a strong influence on their combustion characteristics. Thus, this study found the properties of the coals to be significant and focused on the particle temperature and CO and $CO_2$ emissions.
녹색 신교통 시스템 바이모달트램의 운행을 위한 선로형 프리캐스트 콘크리트 OPEN 슬래브의 설계 및 시공
배을호(Bae Eul-Ho),김량균(Kim Ryang-Gyun),우보열(Woo Bo-Youl),이대형(Lee Dae-Hyoung),박영곤(Park Young-Kon) 한국철도학회 2009 한국철도학회 학술발표대회논문집 Vol.2009 No.11월
We constructed the test track to evaluate the operation of Bi-modal Tram system, and constructed the exclusive bridge which deck was designed track-type precast concrete open slab based on the test analysis/results crossing the intersection. By loading the Bi-modal tram vehicle to plate element, it is secured the structural stability of track-type precast concrete open slab. The construction of track-type precast concrete open slab was completed quickly using the precast method. In conclusion, it appeared that the operation of Bi-modal tram on the test track installed the track-type precast concrete open slab is secured.