教師資料查詢 | 類別: 期刊論文 | 教師: 曾琇瑱 Tseng Shio-jenn (瀏覽個人網頁)

標題:Electrokinetic Flow through an Elliptical Microchannel: Effects of Aspect Ratio and Electrical Boundary Conditions
學年
學期
出版(發表)日期2002/04/01
作品名稱Electrokinetic Flow through an Elliptical Microchannel: Effects of Aspect Ratio and Electrical Boundary Conditions
作品名稱(其他語言)
著者Hsu, Jyh-ping; Kao, C. Y.; 曾琇瑱; Tseng, Shio-jenn; Chen, C. J.
單位淡江大學數學學系
出版者Elsevier
著錄名稱、卷期、頁數Journal of Colloid and Interface Science 248(1), pp.176-184
摘要The electrokinetic flow of an electrolyte solution through an elliptical microchannel is studied theoretically. The system under consideration simulates the flow of a fluid, for example, in vein. We show that, for a constant cross-sectional area, both the electroosmotic volumetric flow rate and the streaming potential increase monotonically with an increase in the aspect ratio, and both the total electric current and the electroviscous effect may exhibit a local minimum as the aspect ratio varies. Also, for a constant average potential on the channel wall, the difference between the results based on three kinds of boundary conditions, which include constant surface charge, constant surface potential, and charge-regulated surface, is inappreciable if the hydraulic diameter is larger than 1 μm.
關鍵字electrokinetic phenomenon;elliptical microchannel;aspect ratio;electroosmotic flow;electroviscous effect
語言英文
ISSN0021-9797
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國別中華民國
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