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주상우,지준호,Joo, SangWoo,Ji, JunHo 한국입자에어로졸학회 2019 Particle and Aerosol Research Vol.15 No.4
Infiltration characteristics of airborne particulate matter had been investigated in real-life for about 90 days over 2 years in a Korean apartment building where a 3-person household had lived and the exclusive private area was 84.9 ㎡. Airtightness was measured by fan depressurization, and the ACH<sub>50</sub> was 2.41 times per hour. In and outdoor particle concentrations were measured by optical particle counters. Infiltration factors and filtration efficiencies of the house, which reflect the removal of outdoor particles penetrating building envelope and the deposition inside a building, were obtained from data screened based on an empirical evaluation process. Infiltration factor of fine particles showed a range from about 42% at 0.4 m/s of wind speed to 72% at 4.2 m/s of wind speed with closed windows and doors. Filtration efficiency was like a MERV 13 grade filter with an open window outside at a balcony at low outdoor wind speed under 1 m/s. The grade decreased to MERV 11 by opening another outside window at the other balcony. Filtration efficiencies decreased as much as 29% in average at a range of 0.3~2.5 ㎛.
VANET 이동성 시뮬레이터 SUMO(Simulation of Urban Mobility)
임원호(WonHo Lim),정형찬(HyoungChan Jeong),지준호(JunHo Ji),장경희(KyungHi Chang) 한국통신학회 2015 한국통신학회 학술대회논문집 Vol.2015 No.06
본 논문에서는 VANET 인프라 및 이동성 시뮬레이터를 실행하기 위한 MOVE와 SUMO 및 GLOMOSIM의 연관관계를 살피고, MOVE에서의 입력 파라미터로 SUMO와 GLOMOSIM을 실행하기 위한 제어방법을 알아본다. MOVE는 VANET 시뮬레이터로써 Vehicle의 움직임을 실환경에 적용하기에 앞서 가상의 망에서 분석하여 최적의 망을 구축하게 해준다. MOVE는 도로망에 따른 인프라와 Vehicle사이의 트래픽을 분석할 수 있도록 해주며, 자율주행 자동차의 제어인프라에도 사용 가능하다.
오현철(Hyuncheol Oh),박형호(Hyungho Park),김상수(Sangsoo Kim),지준호(Junho Ji) 대한기계학회 2005 대한기계학회 춘추학술대회 Vol.2005 No.5
A spark discharge aerosol generator using air as a carrier gas has successfully been applied to silver nanoparticle production in connection with an evaluation of by-product gases such as ozone. The spark discharge between two silver electrodes, which was periodically obtained by discharging the capacitor, produced sufficient high temperatures to evaporate a small fraction of the silver electrodes. The silver vapor was subsequently condensed to silver nanoparticles of about 20 ㎚ size in diameter. The morphology and chemical composition of the generated particles were observed by TEM/EDS, and the particle size distribution was measured using a SMPS system. A stable operation of the spark discharge generator has been achieved, and the size and concentration of the particles can be easily controlled by altering the repetition frequency, capacitance, gap distance and flow rate of the spark discharge system.
池俊鎬 동양철학연구회 2003 東洋哲學硏究 Vol.35 No.-
朱子學은 동아시아의 유교문화권 국가에 지대한 영향을 끼쳐왔으며 朱子 개인의 학문 체계를 넘어서 北宋 儒家의 전통과 朱子門人 및 그 후학들이 발전시킨 사상을 광범위하게 포괄하고 있다. 宋代 사상계의 주류를 이루었던 朱子學은 程朱의 학문을 근간으로 하고 강렬한 道統意識을 전개함으로써 道學으로도 불려진다. 따라서 道學派의 道統論은 儒家의 道를 계승하고 이를 전도한다는 실천적인 면을 강조하게 된다. 道學派의 道統論은 道를 전하여 주고 전하여 받는 사람들 간의 전도관계에 관한 계통일 뿐만 아니라, 전하여 받은 道의 구체적인 내용인 사상성을 포함하고 있다. 道統을 강조하는 道學派의 道統論은 주로 두 측면으로 전개되었는데, 하나는 ‘성현의 말씀을 옹호한다’는 점이고, 다른 하나는 老·佛로 대표되는 ‘'異端邪說을 배척한다’는 점이다. 朱子는 道學派의 道統論을 완성하였으며, 朱子門人들은 朱子의 道統을 이어갔다. 黃?과 陳淳을 비롯한 대표적인 주자문인들은 주자학의 체계를 수립하는 데 지대한 역할과 공헌을 하였으며, 朱子 사후 道統意識을 기반으로 주자학을 전도하고 발전시켰다. 주자문인들은 ‘四書’를 연구하여 儒家의 道를 분명히 이해하였으며, 이를 토대로 당시 似而非한 諸說을 비판하였다. 朱子門人들의 적극적인 傳道활동으로 말미암아 주자학은 당시 學術界의 중심에 위치할 수 있었다. 朱子門人들은 道學派의 道統意識을 기반으로 주자학의 전파라는 전도의 사명을 완수하였다. Zhu-zi xue(朱子學) influenced the eastern Confucian-culture nations very strongly and the concept of zhu-zi xue involved zhu-xi's own academic achievement, his disciples' and the later scholars' thought, and the tradition of Song dynasty Confucianism. Zhu-zi xue was also called Daoxue(道學), because it was based on the Cheng-Zhu's thought(程朱學) and had very severe idea of Daotong(道統). Therefore, Zhu-zi xue emphasized practical movements of spreading Confucianism. The Daotong(道統) of Zhu-zi xue was not only the framework for the people to hand down, but also the thought for people to transmit. The view of the Daotong(道統) developed in two aspects: protection of Confucianism and exclusion of DaoismㆍBuddhism. Zhu-xi completed the idea of Daotong(道統), and his disciples continued his efforts. Including Huang-gan(黃幹) and Chen-chun(陳淳), the important Zhu-xi's disciples played a great role to establish Zhu-zi me, and after their teachers death, developed their teachers thought. Zhu-xi's disciples searched the ultimate teaching of Confucianism through studying Four-books(四書). In due of their effort, Zhu-zi xue played a reading role in those academic fields.