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양영권,박진철,Yang, Young Kwon,Park, Jin Chul 한국토지주택공사 토지주택연구원 2019 LHI journal of land, housing, and urban affairs Vol.10 No.3
Indoor particulate matter(PM) is a carcinogen and needs to be removed and managed. It is generally reduced and removed through ventilation and filtration. Owing to the recent occurrence of high-concentration fine dust and yellow dust in the atmosphere, however, it is difficult to expect the purification of indoor air through the simple introduction of the outside air. For residential buildings, in particular, they are highly dependent on natural ventilation but the lack of natural ventilation is worsening because concerns over the inflow of external pollutants are increasing. Therefore, this study designed and manufactured a window ventilation system that does not require a duct to improve the maintenance and management problems of general ventilation system, and constructed indoor PM concentration change data through performance evaluation.
시나리오 기법을 활용한 정주지 온실가스 배출량 저감 연구
양영권,정지인,이은엽 한국생태환경건축학회 2023 한국생태환경건축학회 논문집 Vol.23 No.4
Purpose : For carbon neutrality in 2050, it is essential to reduce greenhouse gas emissions through settlement development. However, there are not many domestic application case studies on carbon emissions from development. Therefore, in this paper, IPCC G.L 2006 was applied and greenhouse gas emissions were calculated by applying them to actual cases. Method : The amount of carbon accumulated in the process of being developed as a settlement was calculated. In addition, scenarios that can statistically reduce greenhouse gas emissions were set. The results were analyzed by comparing the two. Result : All carbon emissions decreased according to the scenario change. The reduction in carbon emissions is a total of 1,110.7 t d.m. It was confirmed that the biomass emission in the forest area was reduced the most. It is expected that the results of this study can be used as basic data to advance the statistical calculation method in Korea.
원내 공기감염 확산 방지를 위한 격리병실의 CFD 해석
양영권,강인성,원안나,황정하,박진철 대한건축학회 2017 대한건축학회논문집 Vol.33 No.3
The present study is a foundational study for performance improvements on isolation wards to prevent proliferation of secondary infection of infectious diseases such as SARS, H1N1, and MERS inside hospitals. Accordingly, the present study conducted an analysis of the effect of sealing mechanisms and filling of openings on ensuring air tightness performance in isolation wards as well as simulation on air currents in improved isolation wards. The study method is as follows: first, previous studies on aerial infection types and mechanisms were reviewed and the review results were utilized as basic data for analysis of the simulation of air currents. Second, national and international legislations and regulations in relation to isolation wards as well as case studies on developed nations were investigated in order to identify the problems in isolation wards in Korea and improvement plans. Third, construction and facility plans were compared and analyzed between general and isolation wards focusing on large general hospitals in Korea thereby conducting comparison and analysis on the performance and effects of air-tightness of general and isolation wards through simulations(CFD). Fourth, an analysis on air currents in isolation wards specified in mandatory legislation (draft) from the Ministry of Health and Welfare such as fulfillment of isolation ward requirements including negative pressure isolation wards, areas of ward and intensive care units, and ensuring separation distance between sickbeds was conducted. The study result showed that isolation wards had better air-tightness performance than that of general wards and parallel bed layout was better than serial bed layout in terms of aerial infection substance proliferation. In addition, when a separation distance between sickbeds was 2m or wider, the risk of aerial infection became significantly lower.
창호환기시스템의 미세먼지 저감 성능평가 Mock-up Test
양영권(Young Kwon Yang),박진철(Jin Chul Park) 대한설비공학회 2019 대한설비공학회 학술발표대회논문집 Vol.2019 No.-
In this study, we developed a window ventilation system based on the Internet (IoT) based technology. It can monitor indoor environment elements in real time and utilize Open API data through network connection. We also developed a window ventilation system that can automatically control the window ventilation system. The window ventilation system can be operated in three modes. Method: A mock-up test was conducted to evaluate the fine dust reduction performance of the window ventilation system. The experimental method was to compare the time to reduce the fine dust concentration to 100 μg / ㎥ or less, after generating 1,200 μg / ㎥ of fine dust in each chamber of the mock-up. Results: The performance of the window ventilation system in each mode was in the order of Mode 1> Mode 3> Mode 2.