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Mesoscale Engines by Nonlinear Friction
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Section:Abstract
A new approach to build mesoscopic-size engines that move translationally or rotationally and can perform useful functions such as the pulling of a cargo is presented. The approach is based on the transformation of internal vibrations of the moving object into directed motion, making use of the nonlinear properties of friction. This can be achieved by superimposing time-dependent external fields that break the spatial symmetry. The motion can be controlled and optimized by adjusting the system parameters.
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This article has been cited by 1 ACS Journal articles (1 most recent appear below).
Motion of Liquid Drops on Surfaces Induced by Asymmetric Vibration: Role of Contact Angle Hysteresis
Srinivas Mettu and Manoj K. ChaudhuryLangmuir2011 Article ASAPMotion of Liquid Drops on Surfaces Induced by Asymmetric Vibration: Role of Contact Angle Hysteresis
Srinivas Mettu and Manoj K. ChaudhuryLangmuir2011 Article ASAPHysteresis of wetting, like the Coulombic friction at solid/solid interface, impedes the motion of a liquid drop on a surface when subjected to an external field. Here, we present a counterintuitive example, where some amount of hysteresis enables a drop ...
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History
- Published In Issue March 14, 2007
- Received January 2, 2007
Revised Manuscript Received February 1, 2007
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