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Measurement of Ground Temperature Distribution at Various Depths
사이드(S.M. Sayeed-Bin-Asad),신용한(Young H. Shin),정한식(Hanshik Chung),정효민(Hyomin Jeong) 대한기계학회 2010 대한기계학회 춘추학술대회 Vol.2010 No.11
Knowledge on ground temperatures is essential for many construction projects. These include the calculations of heat losses of buildings to the ground and the design of thermal energy storage equipment. This study discusses the factors affecting ground temperature and the summer temperature variation with depth. Temperatures were measured in Tongyeong, Korea, with thermocouples inserted in the ground which indicate that the short-period temperature variations are prominent to a depth of approximately 0.5 m. Because of the high thermal inertia of the soil, the temperature fluctuations at the surface of the ground are diminished as the depth of the ground increases. The annual temperature variation of the ground at a depth of 2m is between 15 to 25℃ while at a depth of over 15 m is negligible and the temperature remains constant at about 22℃.