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4. Aerosol adhesion to a wall
When aerosols come into contact with solid walls, they attach themselves strongly: this is the phenomenon of adhesion, the corresponding forces being adhesion forces. There are several types of force. We present the main ones here.
4.1 Van der Waals forces
An attractive force is exerted between two neighboring molecules r apart, which are electrically neutral, given by the relation :
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Aerosol adhesion to a wall
Re-entrainment of particles attached to a wall
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