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http://dx.doi.org/10.12654/JCS.2019.35.2.01

Interpretation on Internal Microclimatic Characteristics and Thermal Environment Stability of the Royal Tombs at Songsanri in Gongju, Korea  

Kim, Sung Han (Department of Cultural Heritage Conservation Sciences, Kongju National University)
Lee, Chan Hee (Department of Cultural Heritage Conservation Sciences, Kongju National University)
Publication Information
Journal of Conservation Science / v.35, no.2, 2019 , pp. 99-115 More about this Journal
Abstract
The Royal Tombs at Songsanri is one of the most important historic site for ancient historical study in Korean Peninsula. Since the excavation of the tombs, continuous exposure to the outside environment and the negative effects of the artificial air conditioning system have caused significant threats to the thermal environment stability of the tombs. Unlike the outside temperature that shows significant differences according to seasonal changes, the burial chamber of the tombs had a relatively stable temperature range of 11.4 to $22.2^{\circ}C$ throughout the year, and the standard deviation of temperature was within 3.5. It was revealed that major factors affecting the microclimate of the tombs were inflow of outdoor air, wind direction and speed, and all of them had closely related to airtightness of the tombs. The solar radiation was in inverse proportion to the thickness of burial mounds, and thus Royal Tomb of King Muryeong, which has the thickest burial mound, was least affected by solar radiation. Especially, microclimate of the tombs caused to the highest influence with artificial environmental changes due to access by people, which varied in proportion to the number of accessed people and time of stay. Currently, the inside of the tombs are sealed and always in saturated condition, it is very vulnerable to dew condensation. As a result of analyzing the possibility of condensation in each tomb, all the tomb No. 5, tomb No. 6 and Royal Tomb of King Muryeong had condensation most of the time throughout the year. It is required to make a proper conservation environment for the Royal Tombs at Songsanri.
Keywords
Royal Tombs at Songsanri; Thermal environment stability; Microclimate characteristics; Conservation environment; Condensation;
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