著者

出口 衛 幾世橋 広 榎本 兵治

出版者

一般社団法人 資源・素材学会

雑誌

資源と素材 (ISSN:09161740)

巻号頁・発行日

vol.111, no.8, pp.537-542, 1995-07-25 (Released:2011-01-27)

参考文献数

20

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In order to investigate the effect of moisture on the effective thermal conductivity of porous rocks, eighteen rocks conditioned at dried, moist and water-saturated conditions were used for measuring the thermal conductivity by a transient hot wire comparison method developed by Deguchi, et.The moist rocks were conditioned in the atmosphere of 20°C and 60% relative humidity. This condition was adopted on the base of X-ray analysis of montmorillonite to simulate the natural dry condition, at which montmorillonite contained two layers of water in its interlayers.The results showed that the effective thermal conductivities of all rocks increased with increase of water in the pore. The conductivity of zeolite rocks is most affected by the degree of saturation of water. The thermal conductivity of water-saturated rocks is 1.2 to 2.5 times higher than that of the dry rocks.