Studies on the Effects of Polosity of Wool Assembly Upon Scouring and Drying Processes:Part 11 : On the Capillary-type Penetration

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概要

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• The relation between porosity degree (P<SUB>c</SUB>) of a wool assembly and the degree of capillary-type penetration of several liquids have been investigated.<BR>Distilled water, a non-ionic surface active agent, trichlene and absolute alcohol were used as penetrating liquids.<BR>In the case of greasy wool, the ascent of the liquids was the highest when the degree of porosity (P<SUB>c</SUB>) was within a range of 70 to 80%. In the case of scoured wool, the smaller the degree of porosity, the higher the ascent of the liquids within a porosity range of 60 to 95 %.<BR>Using scoured wool and a surface active agent, the rates of penetration of the liquid into the wool assembly to the vertical and the horizontal directions were measured. From the formula of ascent of a liquid capillary induced from Poiseuille's law, the contact angle of the liquid to the wool assembly and the mean radius of the capollaries in the wool assembly were estimated.

• 社団法人 日本繊維機械学会の論文

著者

• 佐貫 治夫

  東京農工大学

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• Studies on the Effects of Polosity of Wool Assembly Upon Scouring and Drying Processes:Part 11 : On the Capillary-type Penetration
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