Dynamics of Wetting (Hardcover)

Part I: Fundamental Principle (tentative).- 1. Introduction.- 2. Interfacial tensions.- 2.1 Origin of interfacial tensions and surface thermodynamics.- 2.2 Definition of interfacial tension.- 2.3 Scale effect of interfacial tension.- 2.4 Measurement of gas-liquid interfacial tension (Wilhelmy method, Du Nouy ring method, Drop weighing method, ADSA method).- 2.5 Typical phenomena related to interfacial tensions.- (Capillary adhesion, Marangoni convection, Thermo-capillary effect, Ringing of gauge block etc.) .- 3. Profiles of gas-liquid interface.- 3.1 Laplace equation.- 3.2 Profile of liquid meniscus.- 3.3 Droplet and bubble.- 4. Principles of wetting.- 4.1 Complete wetting and partial wetting.- 4.2 Work of spreading, work of adhesion and work of immersion.- 4.3 Equilibrium contact angle and Young-Dupret's equation.- 4.4 Wettability (Zisman's law, estimation from polarizability).- 4.5 Contact angles on practical solid surface (Wenzel and Cassie's contact angle).- 4.6 Measuring method of contact angle.- 4.7 Basic principles of hydrophobic and hydrophilic surface.- Part II Application (tentative).- Sliding of droplet on inclined plates, Detachment of droplet from curved surface.- Hysteresis phenomenon of contact angle.- Dynamic wetting, Behavior of three-phase contact line,Numerical simulation of dynamic wetting.- Stability of surfactant liquid film (soap film), Surface viscosity, Dynamic surface tension.- Instability of liquid sheet and cylindrical liquid jet (ink jet).- Microfluidics (Manipulation of droplet or bubble, Electro wetting etc.).- Topics in thermal process.