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Thermal Environment Analysis for Preserving Ancient Mural Painting in Songsan-ri Tomb No. 6, Gongju, Korea

공주 송산리 6호 벽화고분 보존을 위한 온열환경 분석 연구

  • Received : 2016.10.13
  • Accepted : 2016.12.13
  • Published : 2016.12.20

Abstract

Ancient tombs are typically comprised of confined rooms, which have different spatial characteristics than the external environment because they are covered by heavy layers of soil. In this study, we examined the thermal energy flow from the outside to inside of Songsan-ri tomb No. 6. External heat flows slowly to the inside because of heavy soil layer, and the presence of several rooms and entrances. For this reason, it takes about two months for the air temperature to travel from the outside to the inside of the tomb. Interestingly, the gradational inflow of thermal energy from outside the tomb leads to delicate horizontal and vertical variations in the wall temperature. These micro-environmental differences occur in the inner tomb every year, so we can expect them to cause condensation with regularity. In addition, we show that the previously installed forced circulation air conditioning system risks fatal damage to the mural wall painting. The results of this research suggest an optimal air conditioning system and optimized space planning to conserve Songsan-ri tomb No. 6 and its mural painting.

Keywords

Songsan-ri tomb;Mural painting;Conservation environment;Micro-environmental analysis;Condensation

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