土壤水の毛管上昇に關する考察

概要

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Many investigators have endeavoured to verify experimentally the formula of Mitscherlich, the formula(1),which expresses the height of capillary rise of soil moisture (ref.(2), (3), (4), (7)). But it was impossible after all to establish through experimental research works perfect verification of the formula. The author has succeeded in verifying theoretically this formula, through the employment of Gauss' theory of capillarity organized by Neumann (ref.(6)), which may be called the law of integral form of capillary phenomena. The author has considered the thermodynamics of soil moisture in ref.(10), in which the mechanism of the capillary rise of soil moisture is explained by considering all the forces which attract water, such as the capillary force, the adsorptive force of soil particles and the hydratoin of adsorbed ions which exist on particles. In this paper he has attempted to explain clearly the nature of the capillarity of soil particles, and some points which remained unexplained in (10) are now explained with what he believes to be theoretical soundness. The non-abbreviated English report will appear later as a serial of ref.(10). (Received January 10, 1952)
宇宙航空研究開発機構の論文
1952-02-28