応用物理
Online ISSN : 2188-2290
Print ISSN : 0369-8009
粉体の充填体積(とくに測定値の再現性)
川北 公夫津々見 雄文
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ジャーナル フリー

1966 年 35 巻 4 号 p. 260-263

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Several kinds of dry powder of known mass are used to examine the effect of various methods of filling them into glass cylinders. on the packed volume. The filling of powder under a given condition is repeated ten times to find the fluctuation of packed volume specific to the used meth-od. In general, the fluctuation is less as the packing is denser. Slight vibration, especially when applied horizontally, gives the best reproducibility although the packing is not very dense. Tapp-ing is effective for dense packing, but it does not give good reproducibility. Tapping by hand is most likely to cause considerable fluctuation.

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