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Product - Line에서의 Feature Model의 명세화 방안
송재승(Jae-Seung Song),김민성(Min-Sung Kim),박수용(Sooyong Park) 한국정보과학회 2002 한국정보과학회 학술발표논문집 Vol.29 No.1B
빠르게 변화하는 시장의 요구에 대응하고자 특정 도메인에 속하는 애플리케이션 간의 재사용을 높이려는 Product-Line에 대한 연구가 진행되고 있다. Product-Line에서는 도메인 내의 여러 애플리케이션 간의 차이점과 공통점을 분류하는데 Feature Modeling이라는 개념을 주로 사용하고 있다. 이러한 Feature를 추상화 하여 메타 모델로 나타내고 정형화 기법을 통하여 명세화 한다면, 기존의 Feature 모델에서 발견해내지 못하는 feature들과 관련 요소들을 추출하고, 명세화를 통한 통일된 해석이 가능하며, Feature Model에 대한 reasoning, 충돌에 대한 예측 및 협상 등의 지원이 가능할 것이다. 따라서 본 논문에서는 Multi-paradigm 명세 언어를 제공하여주는 KAOS 방법을 적용하여, 추상화 수준에서의 메타 모델을 제안하고, Feature를 명세화 하고 습득하는 방안을 제시하고자 한다.
지붕 단열성능에 영향을 미치는 방수재 표면 색채의 영향
송재승(Song, Jae-Seung),미야우치 히로유키(Miyauchi Hiroyuki),이준(Lee, Jun),미야우치 카오리(Miyauchi Kaori),전승식(Jeon, Seung-Shick),김규용(Kim, Gyu-Yong) 대한건축학회 2014 大韓建築學會論文集 : 構造系 Vol.30 No.6
For the purpose of improving saving energy of building from viewpoint of roofing system, we focused on the contribution of waterproofing system with thermal insulation performance, and the effect of color difference on waterproofing system were measured and evaluated by using test specimens exposed in the outdoor environment. The test specimens were 8 types with a various color of top coating. The outdoor temperature, solar radiation and the temperature between surface-inside of test specimen were measured in summer and winter season. In case of strong solar radiation, the surface temperature of waterproofing membrane increased in the dark color topcoating. In case of color effect between outside and inside of test specimen, the ratios of thermal insulation on outside-inside in the test specimen were no significant difference by color difference. On the other hand, the dark color top coating in inside-outside showed higher temperature difference more than that of light color. The surface temperature on waterproofing membrane and the surface-air temperature difference against solar radiation was calculated from brightness of color. It was concluded that the color on waterproofing membrane contribute to energy saving in the summer more than winter.
송재승(Song, Jae-Seung),미야우치 히로유키(Miyauchi Hiroyuki),미야우치 카오리(Miyauchi Kaori),이준(Lee, Jun),윤용상(Youn, Yong-Sang),김규용(Kim, Gyu-Yong) 대한건축학회 2014 大韓建築學會論文集 : 構造系 Vol.30 No.1
Thermal insulation performance of a multi-layered waterproofing membrane system with sandwich type of polyethylene foam and aluminum film was evaluated by using small specimen in the indoor environmental test chamber, and was compared with the effect of insulation sheet layers, the heat load on concrete substrate or the correlation with outdoor test results. The test specimens were 6 types; only concrete, single urethane system and some multi-layered systems with thermal insulation sheet. The indoor test was carried out with temperature cycles of 20℃ to 80℃ and 20℃ to -20℃. The temperature of specimens were calculated by using the simplified calculation equation about the effect of season and specimen size, and the thermal insulation behavior between measurement value and the predicted value of had a good correlation. Also, the waterproofing system with multi-layered insulation sheets had a high insulation performance than that of existing systems, and can contribute to the reduction of heat load on concrete substrate and the saving energy.