ABSTRACT

Solid-Liquid-Fluid Systems ........................................................................ 334 7.2.1 The Vertical Plate Model .................................................................. 334

7.2.1.1 The Driving Force Term, ΔF1 ............................................ 335 7.2.1.2 The Free Energy Change of the Liquid-Vapor

Interface, ΔF2 ..................................................................... 336 7.2.1.3 Work Done Against Gravity, ΔF3 ...................................... 337

7.2.2 Contact Angles on a Smooth but Heterogeneous Surface Consisting of Horizontal Strips ........................................................ 338

7.2.3 Contact Angles on a Smooth but Heterogeneous Surface Consisting of Vertical Strips ............................................................. 342

7.2.4 Contact Angles on Homogeneous but Rough Surfaces ....................344 7.2.4.1 The Driving Force Term, ΔF1 ............................................ 345 7.2.4.2 The Free Energy Change of the Liquid-Vapor

Interface, ΔF2 .....................................................................346 7.2.4.3 Work Done Against Gravity, ΔF3 ......................................348 7.2.4.4 Application to Idealized Rough Surfaces ..........................348