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다목적 복합건물의 하절기 열원기기 운전시 소비전력에 관한 시뮬레이션
서재경(Jae-Kyoung Suh),최승길(Seung-Gil Choi),강채동(Chaedong Kang) 대한설비공학회 2006 대한설비공학회 학술발표대회논문집 Vol.2006 No.6
Building energy simulation has become a useful tool for predicting cooling, heating and air-conditioning loads for facilities. It is important to provide building energy performances feed back to the mechanical and electrical system operator and engineer for energy conservation and maintenance of building. From this research, we set up the typical weather data of location, basic description of building, geometric modelling data and the specification of installed primary HVAC system for establishing the simulation model about energy consuming that take place in multipurpose building complex. The simulation tool of building energy - EnergyPlus (DOE and BLAST based simulation S/W), it has been used and accomplished calculations and analyses for evaluating the effect of the system types and operating condition of central HVAC plant on the building energy consumption. In this paper, we offer comparison and simultaneous results those involve electricity consumption pattern and amount between actual operation versus EnergyPlus simulation to the object building during summer season.
동기형 릴럭턴스 전동기의 토크와 역률의 최대화를 위한 설계 및 해석
김원호(Won-Ho Kim),김기찬(Ki-Chan Kim),원성홍(Sung-Hong Won),안준선(Jun-Sun Ahn),최승길(Seung-Gil Choi),이주(Ju Lee) 대한전기학회 2006 대한전기학회 학술대회 논문집 Vol.2006 No.7
In case of the synchronous reluctance motor, the torque is proportional to silency difference and the power factor is in proportion to silency ratio. This paper presents the rotor design variable that has a effect on silency difference and silency ratio for getting a maximum torque and a power factor in the synchronous reluctance motor. To carry through the object, a number of the analysis model is reduced by DOE (Design of Experiments) and the main effects are found by the FEM (Finite Element Analysis).
뇌척수막염을 주징으로 한 장티프스 9 예에 관한 임상적 관찰
박동호 ( Dong Ho Park ),김홍영 ( Hong Yong Kim ),전수일 ( Soo Il Jun ),조용호 ( Yong Ho Jo ),최승길 ( Seung Gil Choi ),류방현 ( Bang Hyun Liu ) 대한내과학회 1970 대한내과학회지 Vol.13 No.9
The author reports nine eases of Typhoid meningitis, which were admitted to the Pusan University Hospital, between Jan 1967 and July 1970. These patients showed typical acute meningitic menifestations including strongly positive neck stiffness and kernig`s