A Variational Approach to Contact Angle Saturation and Contact Line Instability in Static Electrowetting
نویسندگان
چکیده
منابع مشابه
A model of electrowetting, reversed electrowetting, and contact angle saturation.
While electrowetting has many applications, it is limited at large voltages by contact angle saturation, a phenomenon that is still not well understood. We propose a generalized approach for electrowetting that, among other results, can shed new light on contact angle saturation. The model assumes the existence of a minimum (with respect to the contact angle) in the electric energy and accounts...
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Basic electrowetting theory predicts that a continued increase in applied voltage will allow contact angle modulation to zero degrees. In practice, the effect of contact angle saturation has always been observed to limit the contact angle modulation, often only down to a contact angle of 60 to 70. The physical origins of contact angle saturation have not yet been explained successfully and uneq...
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ژورنال
عنوان ژورنال: The Quarterly Journal of Mechanics and Applied Mathematics
سال: 2009
ISSN: 0033-5614,1464-3855
DOI: 10.1093/qjmam/hbp016