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홍지표(Ji Pyo Hong) 대한설비공학회 2022 대한설비공학회 학술발표대회논문집 Vol.2022 No.6
대성당의 건축적 특성 및 대지의 특성, 운영 특성 등을 고려하여 쾌적한 환경을 제공하는 동시에 냉난방 에너지를 절약할 수 있는 공조시스템을 설계하였다. 설계단계부터 시공단계까지 건축분야와 지속적인 협업을 통해 자연에너지를 활용한 환기 및 냉난방이 가능하도록 자연환기와 열미로 환기시스템을 계획하였으며, 대공 간 특성에 맞도록 거주역 공조가 가능한 바닥공조 시스템을 계획하였다.
외기냉방 프로세스 분석을 위한 공조시스템의 습공기 상태변화 모델 구현
홍지표(Jipyo Hong),여명석(Myoung Souk Yeo),김광우(Kwang Woo Kim) 대한설비공학회 2011 대한설비공학회 학술발표대회논문집 Vol.2011 No.7
The economizer cycle has been encouraged to be applied to reduce cooling energy of buildings using the air-side HVAC system. In order to improve such energysaving control system, the observation and analysis of heat transfer in duct is required to be preceded. However, the earlier studies have focused on the amount of energy saved not the observable engineering models. In this research, thermal load shifts during the economizer cycle was analyzed using the psychrometric process model of air conditioning systems modeled in the spreadsheets. It was proposed that the switchover point for air-side economizer should be changed depending on the outdoor air condition characteristics.
홍지표(Ji Pyo Hong) 대한설비공학회 2022 대한설비공학회 학술발표대회논문집 Vol.2022 No.6
대성당의 건축적 특성 및 대지의 특성, 운영 특성 등을 고려하여 쾌적한 환경을 제공하는 동시에 냉난방 에너지를 절약할 수 있는 공조시스템을 설계하였다. 설계단계부터 시공단계까지 건축분야와 지속적인 협업을 통해 자연에너지를 활용한 환기 및 냉난방이 가능하도록 자연환기와 열미로 환기시스템을 계획하였으며, 대공 간 특성에 맞도록 거주역 공조가 가능한 바닥공조 시스템을 계획하였다.
국내 건물 에너지 관리 시스템(BEMS) 적용 현황 및 개선 방향에 관한 연구
홍지표(Hong Ji Pyo),조가영(Cho Ga Young),이선우(Lee Sun Woo),여명석(Yeo Myoung Souk),김광우(Kim Kwang Woo) 한국건축친환경설비학회 2008 한국건축친환경설비학회 학술발표대회 논문집 Vol.- No.-
Since Building Automation Systems appeared to save building energy and provide easier management, the system has been improved gradually to not only increase energy saving but also provide more comfortable indoor environment. The study about how BEMS have been applied and improved from 1990s to now was accomplished through literature review and field study. The direction of improving technical aspects of BEMS and management in fields was drawn through analyzing the present condition and estimating needs of buildings.
낙동강하류에서 고니류(Cygnus spp.)의 지역별 분포 특성
홍순복,홍지표 한국환경과학회 2023 한국환경과학회지 Vol.32 No.7
This study was conducted to understand the regional distribution characteristics of swans(Cygnus spp.) in downstream of t he Nakdong River , R.O.Korea from October 2008 to September 2013. During this period, a total of two species and 37,518 ind ividuals of Swans(Cygnus spp.) were observed, including 31,596 Whooper Swans(Cygnus cygnus) and 5,922 Tundra Swans (Cygnus columbianus), respectively. The average number of individuals observed in fifteen different areas was 2255.33 in D aemadeung(A), 143.50 in Jangja·Sinjado(B), 304.00 in Sajado·Doyodeung(C), 1928.00 in Lower Ulsukdo(D), 1392.67 in Ulsu kdo(E), 50.17 in Ilwoongdo(F), 91.17 in Yeommak(G), 5.17 in Maekdogang(H), 0.00 in Pyeonggangcheon(I), 0.00 in Lower Noksan sluice(J), 2.83 in Upper Noksan sluice(K), 6.17 in Jomangang·Doonchido(L), 4.50 in Chideung(M), 0.83 in Joongsado (N)and 66.17 in Daejeo sluice(O). The total average of these fifteen areas was 480.81. There was a significant difference am ong the survey areas (Kruskal-Wallis test, =4055.68, P<0.001). In particular, the observed numbers were larger in Dae madeung, Lower Ulsukdo and Ulsukdo than in the other regions.
낙동강하류역에서 2010년 중반기 고니류(Cygnus spp.)의 권역별 서식 현황
홍순복,홍지표 한국환경과학회 2023 한국환경과학회지 Vol.32 No.8
Understanding the regional distribution of swans in the lower Nakdong River area is also important for the continuous habitat of swans according to changes in the surrounding environment of the area. This study was conducted to understand the regional distribution aspect of swans (Cygnus spp.) downstream of the Nakdong River, Republic of Korea, from October 2013 to September 2018. In the estuary, a small ship was used to move along a certain route and observe it with the naked eye or binoculars, and in the land area, Line transect census and Point census method were conducted in parallel. During this period, two species and 34,647 individuals of swans were observed, including 34,356 Whooper Swans (Cygnus cygnus) and 291 Tundra Swans (Cygnus columbianus). The average number of individuals observed in 15 different areas was 1172, 103, 214, 1825, 1850, 13, 318, 1, 0, 1, 11, 21, 5, 0, and 239 respectively. The total average of the number of individuals in these areas was 384.76. The numbers differed significantly among the survey areas (Kruskal-Wallis test, X2=4349.01, P < 0.001). Particularly, the numbers were larger in Eulsukdo, Lower Eulsukdo, and Daemadeung than in the other regions. In conclusion, as long-term survey data, it can be used as basic data to analyze the distribution of swans due to environmental changes caused by the development of the Nakdong River, predict changes in the habitat status of migratory birds, and prepare measures necessary for preservation.