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휘발성유기화합물(VOCs)의 측정방법에 따른 유물 전시관 내 농도 분포 특성 비교
임보아,이선명,Lim, BoA,Lee, Sun Myung 국립문화재연구소 2014 保存科學硏究 Vol.35 No.-
이 연구에서는 유물 전시관을 대상으로 Active type과 Passive type에 의한 VOCs의 측정 분석법을 사용하여 전시실 내 외의 연중, 계절별 농도를 조사하고 측정방법에 따른 농도 비교를 통해 측정방법 간의 상관성을 비교하였다. 그 결과, Active type에 의한 전시실 TVOC의 연중 평균 농도는 $906.5{\mu}g/m^3$으로 대부분 조사 기간 동안 환경부 기준을 1.8배 이상 초과하였다. Active type에 의한 전시실의 ${\Sigma}VOCs$ 농도는 Passive type 보다 높았다. 일부 VOCs는 시간의 경과에 따라 감소하나 일시적인 상승 경향을 나타내기도 했다. Active type에 의한 전시관의 연평균 I/O비는 TVOC 9.0, ${\Sigma}VOCs$는 34.0으로 조사되어 ${\Sigma}VOCs$가 전시실 내부에서 다량 발생하는 것을 확인하였다. 두 방법 간의 상관성 분석 결과, ${\Sigma}VOCs$의 상관계수는 0.367이었으며 톨루엔은 0.567로 두 분석 방법 간의 연관성이 가장 큰 것으로 조사되었다. In this study, measured annual year and seasonal concentrations of VOCs by Active type and Passive type using the measurement and analysis method in the exhibition hall and outdoor. It was compared with the correlation between the methods according the comparison of methods to measured concentrations. As a results, the annual average concentrations of TVOC in exhibition room($906.5{\mu}g/m^3$) was greater than for most of the study period, more than 1.8 times the standard in the Ministry of Environment. ${\Sigma}VOCs$ concentration of exhibition room by Active type was higher than Passive type. Some VOCs was decreased with the lapse of time a temporary increase tendencies was. The annual average I/O ratio of TVOC was 9.0, ${\Sigma}VOCs$ was confirmed to occur in a large amount inside the exhibition hall ${\Sigma}VOCs$ was studied to 34.0. Correlation coefficient of ${\Sigma}VOCs$ was 0.367. Toluene was 0.567 that the survey was the largest analysis to the relationship between the two methods.
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임보아,신은정,도민환,Lim, Bo-A,Shin, Eun-jeong,Do, Min-Hwan 국립문화재연구소 2009 保存科學硏究 Vol.30 No.-
Cultural heritages are affected by various environmental factors. Main factors are temperature, humidity, light and indoor air pollutants such as ozone, nitrogen oxides. Especially humidity condition is very important. Low humidity condition can cause contraction and high humidity condition can lead to growth of microorganism. This study is conducted to appraise an applicability of the Humidity Indicator which is one of the simple method for humidity control. The Humidity Indicator shows the humidity conditions through color change. Therefore, photometer was used to correctly measure the color change of Humidity Indicator. As a result of lab test, Humidity Indicators was stabilized after one hour from en exposure in a certain humidity condition and the indicators indicated clear correlations between color changes of Humidity Indicators and humidity conditions. Some Humidity Indicators which had been selected through the lab tests were applied to preservation facilities of cultural heritages and the indicators indicated closed correlations with humidity conditions in indoor of facilities.
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임보아,신은정,김명남,이선명,Lim, BoA,Shin, EunJeong,Kim, MyoungNam,Lee, SunMyung 국립문화재연구소 2012 保存科學硏究 Vol.33 No.-
이 연구는 문화재 보존환경 간이 측정법의 적용 및 활용 가능성 검토를 위한 기초연구로 자외선 지시카드의 성능을 검증하고 이를 바탕으로 일부 전시조명에서의 적용성을 검토하였다. 5종의 자외선 지시카드를 대상으로 온 습도 환경 및 자외선램프에 의한 반응도를 살펴본 결과, L 카드와 K 카드는 반응도가 매우 낮아서 환경 측정용으로 부적합한 것으로 나타났으며, M 카드는 습도의 영향을 받는 것으로 조사되었다. 그러나 S 카드는 반응성이 가장 좋고 자외선 저 방사 환경에서도 민감한 색도 변화를 보였다. S 카드를 주요 전시조명으로 활용되는 광원에서 노출평가를 실시한 결과, 자외선량이 높은 할로겐램프와 형광램프에서 큰 색차 값과 육안상의 뚜렷한 색변화를 관찰할 수 있었다. 따라서 자외선 지시카드 중 S 카드가 문화재의 전시조명 환경 점검 및 관리에 있어 간편하게 활용할 수 있을 것이다. In this study, reliability assessment was carried out on UV(ultraviolet) indicators for the application of the indicator method on cultural heritages. As a result, some UV indicators(L, K, and M) proved to be unsuitable due to their low reactivity to UV and high reactivity to RH(relative humidity). On the other hand, indicator S showed considerable color changes and fading due to UV-B and UV-C according to the integral amount of UV irradiation. Indicator S showed the most distinct reaction to UV and a remarkable applicability to exhibition light, which are used in museums. Therefore, UV indicator S is an easy and useful monitoring tool for light environment management in cultural- property conservation facilities.
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문화재 보존환경 간이 측정을 위한 온도지시카드 신뢰성 평가
임보아,신은정,이선명,Lim, Bo-A,Shin, Eun-Jeong,Lee, Sun-Myung 국립문화재연구소 2010 保存科學硏究 Vol.31 No.-
Cultural heritages are damaged by surrounding several environmental factors. Main factors are temperature, humidity, light, atmosphere and indoor pollutant, organism, etc. Therefore, to prevent damage of cultural heritage from such environmental factor, conservation environment monitoring becomes more important. Indicator is one of the simple method for environment monitoring. It can be used without expensive and complex equipments. However, it should be performed scientific examination for application to cultural heritage. In this study, some Temperature Indicators were chosen and reliability assessment was carried out for application to cultural heritage. Brightness($L^*$) is selected for reliability assessment factor. As a result of lab test, Temperature Indicators were not influenced greatly in humidity change. When they were exposed to setting temperature, the color was changed in setting temperature area and ${\pm}2^{\circ}C$ part of setting temperature. Especially brightness value was high in setting temperature area. Also, Temperature Indicators were stabilized after about 16 minutes when were exposed to temperature difference of $10^{\circ}C$ and when temperature difference with exposure environment is smaller, stabilization time shortened. Therefore, it is a possible to confirm that selected Temperature Indicator is reliable product through measurement of color difference value and naked eye observation.
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측정방법에 따른 유물전시관 기획전시실 내 알데하이드 농도 분포 특성 비교
임보아,이선명,Lim, Bo-A,Lee, Sun-Myung 국립문화재연구소 2015 保存科學硏究 Vol.36 No.-
본 연구에서는 기획전시실을 대상으로 능동시료채취(Active type)와 확산형 시료채취(Passive type) 방법에 의한 전시실 내 외 알데하이드의 연중, 계절별 농도를 조사하고 측정방법에 따른 농도 비교를 통해 측정방법 간의 상관성을 비교하였다. 그 결과, Active type에 의한 전시실의 총알데하이드는 Passive type 보다 6.4배 높았다. 가장 높은 농도로 조사된 폼알데하이드는 여름철 농도가 가장 높았고 환경부 전시시설 기준을 초과하였다. 폼알데하이드의 연평균 I/O비는 5.4이었고 아세트알데하이드는 1.9로 알데하이드는 기획전시실 내부에서 다량 발생함을 확인할 수 있었다. 두 방법 간의 폼알데하이드 상관계수와 t-검정 결과, 강한 양의 선형관계임을 확인할 수 있었다. In this study, the annual and seasonal concentrations of aldehydes was measured using the active type and passive type method in the temporary exhibition hall and outdoor air. It was compared with the correlation between the methods according the comparison of methods to measured concentrations. As a results, the ${\Sigma}$ aldehydes in exhibition hall by the active type was higher than 6.4 times by passive type. The formaldehyde was exceeded standards in exhibition facilities of the Ministry of Environment. It was the highest concentrations in summer. Annual I/O ratio of formaldehyde was 5.4 and acetaldehyde was 1.9, it was confirmed that a large amount occurs in the temporary exhibition hall. The results of the correlation coefficient and the t-test of formaldehyde were a strong positive linear relationship between the active type and the passive type.
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임보아,김명남,김영희,이정민,조창욱,정소영 한국문화재보존과학회 2019 보존과학회지 Vol.35 No.3
Biological damages of wooden cultural properties are closely related to the preservationof the environment; these damages can be accelerated because of rapid climate change. Therefore, topreserve cultural properties, it is important to understand environmental characteristics. This study aimsto investigate the status of termite damage and the characteristics of major environmental factors suchas micro-meteorology, meso-meteorology, and local-meteorology of the Josadang shrine in the Seonamsatemple at Suncheon. Damage was confirmed by visual observation and the response of the termitedetection dog at the north-west corner. Also another damage was observed by the termite detectiondog at the north-east corner. These pillars had lower surface temperature and higher moisture contentcompared with the pillars in the front. The mean temperature of the entire time was similar for themeteorologies; however, the relative humidity differed. High relative humidity, greater than 70%, wasobserved frequently. In particular, it was determined that the termite activity days were the most insidethe Josadang shrine. The statistical analysis confirmed that there was a difference between themeteorology events through the F ratio. In addition, the difference of environmental factors with relativehumidity and temperature was identified more great difference in relative humidity through thet-statistics of temperature and relative humidity. And then relative humidity was confirmed most greatin the difference of meso-meteorology and local-meteorology. 목조문화재의 생물피해는 보존환경과 밀접한 관계가 있고, 급속한 기후변화로 인해 피해가가속화될 수 있으므로 문화재 보존을 위해서는 환경 특성을 파악하는 것이 중요하다. 따라서 본 연구에서는 순천 선암사의 조사당을 대상으로 흰개미 피해 현황과 미기상, 중기상, 국지기상의 주요 환경인자 특성을 관찰하였다. 그 결과, 조사당 북서쪽 기둥에서 뚜렷한 육안피해와 흰개미 탐지견반응이 있었고, 북동쪽 기둥에서 흰개미 탐지반응이 추가되었다. 이 기둥들은 전면에 위치한기둥보다 표면온도가 낮고 표면 수분량과 함수율이 높은 특징이 있었다. 각 기상의 전체 시간평균온도는 비슷하였으나 상대습도는 차이가 있었고, 미기상은 70% 이상의 높은 상대습도가빈번히 나타났다. 특히 조사당 내부에서 흰개미 활동 일수가 가장 많았던 것으로 산출되었다. 통계 분석 결과에서는 F 비를 통해 세 기상 간 차이가 있음을 확인하였다. 또한 온도와 상대습도의 t 통계량을 통해 환경인자 간의 차이는 온도보다 습도가 더 크고, 중기상과 국지기상에서는상대습도 차이가 더 큰 것이 확인되었다.
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