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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).
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.