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20L 소형 챔버를 이용한 흡착분해 저감 건축 자재 실험법
김훈(Kim Hoon),타나베 신이치(Tanabe Shin-ichi),아리가 타카오(Ariga Takao),모치다 케이고(Mochida Keigo) 대한건축학회 2008 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.28 No.1(계획계)
Recently, there are increasing developments and uses of sorptive and degradation building materials, and test method for reduction performance of them is being required. For reduction performance test of those materials, JIS A 1905-1, 2 were established Feb. 2007, but ISO and KS is not yet. Our group has developed the air flow control unit for 20L small chamber to evaluate reduction performance of sorptive building materials. JIS A 1905 explains the two methods (Part. 1 and Part.2) for reduction performance test, but differences in methods might provide different result values, even if the same material was investigated. In addition, when changed area ratios (i.e, loading factor) of specimens under the same test method, it was examined what differences would be made in performance values. As a result, when changed area ratios of specimens, sorption flux showed different values but equivalent ventilation rate did nominal and steady values. When the same sorptive material tested, reduction performance values gained from constant concentration supplying method (JIS A 1905-1) showed approximately two times higher scores in compared with emission material method (JIS A 1905-2).
김훈(Kim Hoon),타나베 신이치(Tanabe Shin-ichi) 대한건축학회 2011 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.31 No.2(계획계)
For emission tests from adhesives, glass or SUS plates have been generally used as a base material. Applied on a glass plate, due to the fast hardening and decay of volatile chemicals, it is difficult to assure the uniform quality for specimens preparing and curing, which would deteriorate the test repeatability. Our research group has made the concept of a more appropriate and effective method for emission test on adhesives and suggested the specimen using the calcium silicate (SiCaO3) board (CSB) as the base material substituted for glass or SUS plate. This paper would include 1) VOCs emission tests of CSB itself to decide a base material substituting for glass and SUS plates, 2) Test repeatability with new CSB specimens, and 3) VOCs emission tests from four kinds of adhesives. As results, undesired contaminants from CSB itself were not detected or little if any. Extension of emission decay time and improvement of test repeatability were confirmed in comparison to the glass plate specimens. The differences in emission property over test period were observed respectively depending on adhesive type.
20L 소형 챔버를 이용한 흡착 분해 저감 건축 자재 실험법
김훈(Kim Hoon),타나베 신이치(Tanabe Shin-ichi),아리가 타카오(Ariga Takao),모치다 케이고(Mochida Keigo) 대한건축학회 2009 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.29 No.1(계획계)
There are increasing developments and uses of sorptive building materials for the reduction of indoor air pollutants and odors, and test method for reduction performance of them has been required. For formaldehyde reduction performance test of those materials, JIS A 1905 was established Feb 2007, and Feb. 2008 JIS A 1906 was for VOCs. Our group has developed the air flow control unit for small chambers in order to evaluate reduction performance of sorptive building materials. JIS A 1905 explains the two methods (Part.1-constant concentration supplying method and Part.2-emission material method) for reduction performance test, but differences of test methods might provide different result values even if the same material was tested. In this paper, when changed area ratios (i.e. loading factor) of specimens under the same test method, it was investigated what differences would be made in performance values. As a result, sorption flux showed different values by differences of area ratios, but did nominal and steady values under the same area conditions. When the same sorptive material was tested, reduction performance values gained from JIS A 1905-1 showed approximately three times higher scores in compared with JIS A 1905-2.
20L 소형 챔버를 이용한 흡착분해 저감 건축자재 실험법
김훈(Kim Hoon),타나베 신이치(Tanabe Shin-ichi),아리가 타카오(Airga Takao),오자와 아키히사(Ozawa Akihisa),모치다 케이고(Mochida Keigo) 대한건축학회 2007 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.27 No.1
In Korea, the small chamber method complying with KS (Korean Standard) M ISO 16000-9, ISO 16000-9 and JIS A 1901 is usually used for emission test from building materials. Recently, there are increasing develpment and use of sorptive and degradation building materials, and test method of reduction performance of them is being required. In Japan, JIS A 1905-1, 2 was established Feb. 2007, but ISO and KS is not yet. Our group has developed the air flow control unit for 20L small chamber to evaluate reduction perfomance of sorptive building materials. Chamber performance was verified through measuring the air velocity near the surface of the test specimen and mass transfer coefficient when using the newly developed unit. At the end of this paper, chamber test results of two types of sorptive building materials were stated.
한국주택에 있어서 하우스더스트중의 준휘발성유기화합물(SVOC)농도에 관한 연구
김현태(Kim Hyun-Tae),김훈(Kim Hoon),홍원화(Hong Won-Hwa),타나베 신이치(Tanabe Shin-ichi) 대한건축학회 2009 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.29 No.1(계획계)
Recently, many studies about indoor air quality have been conducted because of people's high interests in house environments. Especially. researchers have started conducting research on indoor air quality since they realized that indoor air concentration of formaldehyde and volatile organic compounds harm people's health. Therefore, researchers set the guidelines of each individual chemical substance through the investigation about indoor air quality, and it is recommended to remain the guidelines they set up for the formaldehyde and volatile organic compounds. SVOC sends out small amount of emission from the building materials since it has high melting point. However, emitted SVOC is absorbed on the indoor surface or house dust and eventually accumulated. Thus, as time passes, there is a possibility that the concentration of SVOC, which is accumulated in the house dust, is getting higher. Highly accumulated SVOC seems to be more harmful for children than adults. Accordingly, this study examines the concentration of SVOC in the house dust. As a result, in Korea, all houses were higher concentration of DEHP in house dust than 50 Percentile in Germany, and two houses had higher concentration than 95 Percentile. But in Japan, No house had higher concentration than 95 and 50 Percentile. The lower trend in concentration of SVOC in house dust at residences in Japan than residences in Korea was showed.