Wetting and Spreading Dynamics

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Bibliographic Details
Main Author Starov, V. M.
Other Authors Velarde, Manuel G.
Format Electronic eBook
LanguageEnglish
Published Boca Raton, FL : CRC Press, 2019.
EditionSecond edition.
SeriesSurfactant science series.
Subjects
Wetting.
Surface chemistry.
Surface tension.
Interfaces (Physical sciences)
Solid-liquid interfaces.
elektronické knihy
electronic books
Online AccessFull text
ISBN9780429013737
0429013736
9780429506246
0429506244
9780429013744
0429013744
9780429013720
0429013728
9781138584075
113858407X
Physical Description1 online resource

Cover

Table of Contents:
  • Cover
  • Half Title
  • Title Page
  • Copyright Page
  • Table of Contents
  • Preface to the First Edition
  • Acknowledgments
  • Preface to the Second Edition
  • Acknowledgments
  • About the Authors
  • 1: Surface Forces and Equilibrium of Liquids on Solid Substrates
  • Introduction
  • 1.1 Wetting and Neumann-Young's Equation
  • 1.2 Surface Forces and Derjaguin's Pressure
  • Components of the Derjaguin's Pressure
  • Molecular or Dispersion Component
  • Electrical Double Layers
  • Electrokinetic Phenomena
  • The Electrostatic Component of the Derjaguin's Pressure
  • Structural Component of the Derjaguin's Pressure
  • 1.3 Static Hysteresis of Contact Angle
  • Static Hysteresis of Contact Angles from the Microscopic Point of View: Surface Forces
  • References
  • 2: Equilibrium Wetting Phenomena
  • Introduction
  • 2.1 Thin Liquid Films on Flat Solid Substrates
  • Equilibrium Droplets on the Solid Substrate under Oversaturation (Pe &lt
  • 0)
  • Flat Films at the Equilibrium with Menisci (Pe &gt
  • 0)
  • 2.2 Non-flat Equilibrium Liquid Shapes on Flat Solid Surfaces
  • General Consideration
  • Microdrops: The Case Where Pe &gt
  • 0 (The Case of Under-Saturation)
  • Microscopic Quasi-equilibrium Periodic Films
  • Microscopic Equilibrium Depressions on ß-Films
  • 2.3 Equilibrium Contact Angle of Menisci and Drops: Liquid Shape in the Transition Zone from the Bulk Liquid to the Flat Films in Front
  • Equilibrium of Liquid in a Flat Capillary: Partial Wetting Case
  • Meniscus in a Flat Capillary
  • Meniscus in a Flat Capillary: Profile of the Transition Zone
  • Partial Wetting: Macroscopic Liquid Drops
  • Profile of the Transition Zone in the Case of Droplets
  • Axisymmetric Drops
  • Meniscus in a Cylindrical Capillary
  • Appendix 1
  • 2.4 Profile of the Transition Zone between a Wetting Film and the Meniscus of the Bulk Liquid in the Case of Complete Wetting.
  • 2.5 Thickness of Equilibrium Wetting Films on Rough Solid Substrates
  • 2.6 Equilibrium Films on Locally Heterogeneous Surfaces: Hydrophilic Surface with Hydrophobic Inclusions
  • 2.7 Equilibrium of Droplets on a Deformable Substrate: Influence of the Derjaguin's Pressure
  • Introduction
  • Derjaguin's Pressure and Deformation of Soft Substrates
  • Mathematical Model and Derivation
  • Spherical Region: h−hs&gt
  • t1
  • Transitional Region: h
  • hs = t1
  • Equilibrium Contact Angle
  • Jacobi's Condition
  • 2.8 Deformation of Fluid Particles in the Contact Zone
  • Two Identical Cylindrical Drops/Bubbles
  • Interaction of Cylindrical Droplets of Different Radii
  • Shape of a Liquid Interlayer between Interacting Droplets: Critical Radius
  • 2.9 Liquid Profiles on Curved Interfaces, Effective Derjaguin's Pressure. Equilibrium Contact Angles of Droplets on Outer/Inner Cylindrical Surfaces and Menisci inside Cylindrical Capillaries
  • Liquid Profiles on Curved Surface: Derivation of Governing Equations
  • Equilibrium Contact Angle of a Droplet on an Outer Surface of Cylindrical Capillaries
  • Equilibrium Contact Angle of a Meniscus inside Cylindrical Capillaries
  • Derjaguin's Pressure of Uniform Films in Cylindrical Capillaries
  • 2.10 Line Tension
  • The Comparison with the Experimental Data and Discussion
  • 2.11 Capillary Interaction between Solid Bodies
  • Appendix 2
  • References
  • 3: Hysteresis of Contact Angles Based on Derjaguin's Pressure
  • Introduction
  • 3.1 Hysteresis of Contact Angle of a Meniscus inside a Capillary with Smooth Homogeneous Non-deformable Walls
  • The Derjaguin's Pressure Components
  • The Derjaguin's Pressure and Wetting Phenomena
  • Hysteresis of Contact Angle in Capillaries
  • Calculation Procedure
  • Conclusions
  • 3.2 Hysteresis of Contact Angle of Sessile Droplets on Non-deformable Substrates
  • Introduction.
  • Equilibrium Contact Angle and Derjaguin's Pressure for Sessile Droplets
  • Static Hysteresis of the Contact Angle of Sessile Droplets on Smooth Homogeneous Substrates
  • Expressions for the Advancing Contact Angle
  • Expressions for the Receding Contact Angle
  • Conclusions
  • 3.3 Hysteresis of Contact Angle of Sessile Droplets on Deformable Substrates
  • Introduction
  • Equilibrium Contact Angle of Droplet on Deformable Substrates and the Surface Forces Action: A Simplified Model Adopted in this Section
  • Theory and Model for Hysteresis of Contact Angle on a Deformable Substrate
  • Results and Discussions
  • Conclusions
  • Appendix: Advancing Contact Angle
  • References
  • 4: Kinetics of Wetting
  • Introduction
  • 4.1 Spreading of Nonvolatile Liquid Drops over Flat Solid Substrates: Qualitative Analysis
  • Capillary Regime of Spreading
  • Gravitational Spreading as a Continuation of the Capillary Spreading Regime
  • Similarity Solution
  • Spreading of Very Thin Droplets
  • 4.2 Spreading of Nonvolatile Liquid Drops over Dry Surfaces: Influence of Surface Forces
  • n = 2 Case
  • n = 3 Case
  • Comparison with Experiments
  • Conclusions
  • Appendix 1
  • Appendix 2
  • Appendix 3
  • Appendix 4
  • 4.3 Spreading of Drops over a Surface Covered with a Thin Layer of the Same Liquid
  • 4.4 Quasi-Steady-State Approach in the Kinetics of Spreading
  • 4.5 Dynamic Advancing Contact Angle and the Form of the Moving Meniscus in Flat Capillaries in the Case of Complete Wetting
  • Appendix 5
  • Asymptotic Behavior of Solution of y d y y 3 3 = -1 at y . 8
  • 4.6 Motion of Long Drops in Thin Capillaries in the Case of Complete Wetting
  • Appendix 6
  • 4.7 Liquid Film Coating of a Moving Thin Cylindrical Fiber
  • Statement of the Problem
  • Derivation of the Equation for the Liquid-Liquid Interface Profile
  • Equilibrium Configuration.
  • Matching of Asymptotic Solutions in Zones I and II
  • Equilibrium Case (Ca = 0)
  • Numerical Results
  • 4.8 Blow-off Method for Investigating Boundary Viscosity of Volatile Liquids
  • Boundary Viscosity
  • Theory of the Method
  • Experimental Part
  • Conclusions
  • 4.9 Combined Heat and Mass Transfer in Tapered Capillaries with Bubbles under the Action of a Temperature Gradient
  • Cylindrical Capillaries
  • Tapered Capillaries
  • 4.10 Spreading of Non-Newtonian Liquids over Solid Substrates
  • Governing Equation for the Evolution of the Profile of the Spreading Drop
  • Gravitational Regime of Spreading
  • Capillary Regime of Spreading
  • Conclusions
  • References
  • 5: Spreading over Porous Substrates
  • Introduction
  • 5.1 Spreading of Liquid Drops over Saturated Porous Layers
  • Theory
  • Liquid inside the Drop (0 &lt
  • z &lt
  • h(t, r))
  • Inside the Porous Layer outside the Drop (- . &lt
  • z &lt
  • 0, L &lt
  • r &lt
  • l)
  • Materials and Methods
  • Results and Discussion. Experimental Determination of the "Effective Lubrication Coefficient" .
  • 5.2 Spreading of Liquid Drops over a Thin Dry Porous Layer: Complete Wetting Case
  • Theory
  • Inside the Porous Layer outside the Drop (- . &lt
  • z &lt
  • 0, L &lt
  • r &lt
  • l)
  • Experimental Part
  • Independent Determination of K p p c
  • Results and Discussion
  • Appendix 1
  • 5.3 Spreading of Liquid Drops over Thick Porous Substrates: Complete Wetting Case
  • Theory
  • Inside the Porous Substrate
  • Experimental Part
  • Results and Discussion
  • Spreading of Silicone Oil Drops of Different Viscosity over Identical Glass Filters
  • Spreading of Silicone Oil Drops over Filters with Similar Properties but Made of Different Materials
  • Spreading of Silicone Oil Drops with the Same Viscosity (. = 5 P) over Glass Filters with Different Porosity and Average Pore Size
  • Conclusions.

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