毛细管作用
材料科学
聚合物
毛细管压力
十二烷
复合材料
半径
聚丙烯
化学
多孔介质
多孔性
计算机科学
计算机安全
有机化学
作者
Reza Masoodi,Krishna M. Pillai,Padma Prabodh Varanasi
标识
DOI:10.1115/fedsm2008-55172
摘要
In this paper the liquid absorption under capillary pressure, or wicking, in cylindrical polymer wicks made of sintered polymer beads is studied experimentally and theoretically. Three different polymer wicks (made from Polycarbonate, Polyethylene and Polypropylene) and three different well-characterized liquids (Hexadecane, Decane and Dodecane) are used in the present experimental study. These experimental results are then compared with the predictions of the capillary model. The capillary and hydraulic radii used in the model are found to behave like two independent wicking parameters and are needed to be measured separately to improve the accuracy of the capillary model in predicting wicking in polymer wicks. Accurate measurement of the capillary radius ensured a good prediction by the capillary model of the final steady-state height in the large-pore wicks.
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