Abstract:Naoto KAMOSHIDA* and Masafumi OKAWARA** Currently, the effect of pore water on the thermal diffusivity of rocks at low temperatures is unclear. In this study, the thermal diffusivities of Berea sandstone (12.8%-porosity) and Himekami granite (1.09%) were measured using an optional heating method. Consequently, the change in the thermal diffusivity of saturated Himekami granite (approximately 100%-water saturation) increased continuously and gradually, as observed in dry granite (approximately 0%). However, whe… Show more
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