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Bormashenko, Edward Yu.

Physics of Wetting

Phenomena and Applications of Fluids on Surfaces

Series:De Gruyter Textbook

    700,00 € / $805.99 / £574.99*

    eBook (EPUB)
    Publication Date:
    September 2017
    ISBN
    978-3-11-043716-4
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    Overview

    • Wetting of surfaces is at the heart of numerous biological and technological processes.
    • Experiments and theory of wetting phenomena are surveyed.
    • Each chapter is accompanied by problem sections for deeper understanding.

    Aims and Scope

    Motivated by a plethora of phenomena from nature, this textbook introduces into the physics of wetting of surfaces. After a brief discussion of the foundations of surface tension, its implementation for floating objects, capillary waves, bouncing droplets, walking of water striders, etc. is discussed. Furthermore, Marangoni flows, surface tension inspired instabilities, condensation and evaporation of droplets, liquid marbles, superhydrophobicity and superoleophobicity (lotus effect) are introduced. All relevant concepts are illustrated by the numerous qualitative and quantitative exercises.

    Contents
    What is surface tension?
    Wetting of surfaces: the contact angle
    Surface tension-assisted floating of heavy and light objects and walking of water striders
    Capillary interactions between particles. Particles placed on liquid surfaces. Elasticity of liquid surfaces, covered by colloidal particles
    Capillary waves
    Oscillation of droplets
    Marangoni flow and surface instabilities
    Evaporation of droplets. The Kelvin and the coffee-stain effects
    Condensation, growth and coalescence of droplets and the breath-figure self-assembly
    Dynamics of wetting: bouncing, spreading and rolling of droplets (water hammer effect – water entry and drag-out problems)Superhydrophobicity and superoleophobicity: the Wenzel and Cassie wetting regimes
    The Leidenfrost effect. Liquid marbles: self-propulsion
    Physics, geometry, life and death of soap films and bubbles

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    E. Bormashenko, Ariel University Center of Samaria, Israel.

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