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개인 사무실의 조명기기 배치조건에 대한 사용자 만족도 예측
백용규,김수영,윤연주 한국문화공간건축학회 2019 한국문화공간건축학회논문집 Vol.- No.67
This study examines the effects of layouts of lighting fixtures to users’ satisfaction in a private office space. Four lighting designs alternatives were applied to an office space to provide a required target illuminance for office tasks. The evaluations for lighting alternatives were conducted by 27 participants using the images of office projected on a screen in a classroom. Results imply that the space was evaluated as most spacious, when recessed quadrate fixtures were applied to ceiling. The satisfaction level for light distribution was most positive when recessed rectangular fixtures were placed across the views of participants. The area sources of lighting fixtures were effective for better perception of satisfaction for lighting environment, light distribution, visual comfort and the quality of lighting for space. The linear prediction models for the influential elements of lighting conditions were acceptable at a significance level of 0.01. The perception of visual comfort, quality of lighting and preference for lighting conditions correlated with several influential factors of light controlled by the layout of fixtures.
백용규 대한설비공학회 2001 설비저널 Vol.30 No.5
병원 등의 의료시설은 생활배수, 화학배수, RI배수 등 하나의 시설로부터 특성이 다른 여러 가지 종류의 배수가 배출되고 있다는 것이 다른 사업소와는 다른 특징이다. 각각의 배수는 생물적 처리, 배출원 대책, 저류ㆍ감쇠 처리 등 적절한 처리 방법이 다르기 때문에 개별적인 처리대책이 필요하다. 여기에서는 의료시설의 배수 배출원, 배출특성 및 배수처리방법 등에 대하여 서술한다.
백용규,이준호 한국생활환경학회 2019 한국생활환경학회지 Vol.26 No.2
This study investigates the physical performances of membrane materials that can be possible applied to movable shading devices. Various experiments and tests were conducted in lab settings based on the guidelines suggested for standard tests for the materials. Result indicates that folded tensile strength was similar to tensile strength. The tensile strength of materials which were exposed to ultraviolet was 30 % of that of material which was not exposed to ultraviolet. The resistance against contamination of all tested material do not satisfy domestic requirements but meet some of foreign standards.