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Engineering Mathematics
Review of Viscous Flows
Review of Computational Fluid Mechanics

Particle Adhesion
Simulation Methods
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ME 537 The National Science Foundation
 Particle Adhesion
Van der Waals Force | JKR and Other Adhesion Models | Particle Adhesion & Removal | Effects of Charge | Effect of Humidity | Ultrasonic and Megasonic Cleaning

JKR and Other Adhesion Models

Pull-Off Force

The JKR model predicts that the force needed to remove the particle (the pull-off force) is given as
(4)


Contact Radius at Zero Force

The contact radius at zero external force may be obtained by setting P = 0 in Equation (1). That is,
(5)


Contact Radius at Separation

 The contact radius at the separation is obtained by setting in Equation (1). The corresponding contact radius is given by
(6)



Dr. Goodarz Ahmadi | Turbulence & Multiphase Fluid Flow Laboratory | Department of Mechanical & Aeronautical Engineering
Copyright © 2002-2005 Dr. Goodarz Ahmadi. All rights reserved.
Potsdam, New York, 13699
ahmadi@clarkson.edu