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홍성문,박일호,김경민,신재민,이흥만 대한이비인후과학회 2011 Clinical and Experimental Otorhinolaryngology Vol.4 No.4
Objectives. The Korean version of the Sniffin’ stick (KVSS) test is widely used in Korea to evaluate olfactory function. However,its validity and reliability have not been studied well. In this study, the authors administered the KVSS and the T&T olfactometer test to evaluate olfactory function and to establish relationships between these two test measures. Methods. Two hundred and eleven patients participated in this prospective randomized study. One hundred and nine patients with no olfactory symptoms and 102 patients with decreased olfaction participated. All participants were underwent KVSS II and T&T olfactometer testing. Results. The mean recognition threshold of the T&T olfactometer was -1.8±0.9 for patients with normal olfaction and 4.0±2.6 for patients with decreased olfaction. The mean Threshold-Discrimination-Identification score of the KVSS II was 30.0±3.8 for patients with normal olfaction and 15.9±7.1 for patients with decreased olfaction. Correlation coefficient between the two tests was significantly high (rs =-0.725, P<0.01). Conclusion. The KVSS and T&T olfactometry test are both reliable tests of olfactory function and their results are well correlated with each other.
비정형 건물일체형 태양광 발전 시스템 규칙기반 BIM설계 지원 도구 개발
홍성문,김대성,김민철,김주형,Hong, Sung-Moon,Kim, Dae-Sung,Kim, Min-Cheol,Kim, Ju-Hyung 한국BIM학회 2015 KIBIM Magazine Vol.5 No.4
Korea has been at the forefront of green growth initiatives. In 2008, the government declared the new vision toward 'low-carbon society and green growth'. The government subsidies and Feed-in Tariff (FIT) increased domestic usage of solar power by supplying photovoltaic housing and photovoltaic generation systems. Since 2000, solar power industry has been the world's fastest growing source with the annual growth rate of 52.5%. Especially, BIPV(Building Integrated Photovoltaic) systems are capturing a growing portion of the renewable energy market due to several reasons. BIPV consists of photovoltaic cells and modules integrated into the building envelope such as a roof or facades. By avoiding the cost of conventional materials, the incremental cost of photovoltaics is reduced and its life-cycle cost is improved. When it comes to atypical building, numerous problems occur because PV modules are flat, stationary, and have its orientation determined by building surface. However, previous studies mainly focused on improving installations of solar PV technologies on ground and rooftop photovoltaic array and developing prediction model to estimate the amount of produced electricity. Consequently, this paper discusses the problem during a planning and design stage of BIPV systems and suggests the method to select optimal design of the systems by applying the national strategy and economic policies. Furthermore, the paper aims to develop BIM tool based on the engineering knowledge from experts in order for non-specialists to design photovoltaic generation systems easily.