けい砂の粒形について
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概要
- 論文の詳細を見る
In regard to researches dealing with the sand-particles, in many cases, consideration is generally taken not so much upon their particle-shape as their particle-size. This fact is conceived due to the difficulty of measures to represent the particle-shape in figures. The auther, in his experiments on the influences of the shape of sand particles contained in the fluid inflicted upon the abrasion of the metalic materials to the fluid with sand particles, has endeavoured to apply the various methods of determining the sand-particle shape. Though success as well as failure was observed during the course of his experiment, he has, employing a rather simple measure, which is considered not to be easily effected by the experimental conditions, contrived some means for obtaining the shape factor of particles, and certain relations between the shape factor of particles and particle-size in the case of three kinds of particles of silica sands with representative shapes among : Chikuma silica sand in nearly spherical form, Tokitsu silicas and in rather cubic form and seto silica sand in irregular form with acute edge angles.
- 一般社団法人日本機械学会の論文
- 1957-10-25
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