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Wetting print that page

Water_droplet_in_oil_on_brass_surface

Young's relation 3.1.2 Real Smooth Surfaces and the Young contact angle 3.1.3 The Young– Dupre equation and Spreading Coefficient 4 Non-ideal rough solid surfaces 4.1 Wenzel's model 4.2 Cassie–Baxter model 4.2.1 Precursor film 4.2.2 "Petal effect" vs. "lotus effect

Adhesion print that page

Spider_web_Luc_Viatour

equal to half the work of cleavage, W: γ = (1/2)W 11 . If the surfaces are unequal, the Young Dupré equation applies: W 12 = γ 1 + γ 2 – γ 12 , where γ 1 and γ 2 are the surface energies of the two new surfaces, and γ 12 is the interfacial tension. This methodology can

Surface energy print that page

Rame-hart_goniometer

passivation or adsorption . Contents 1 Measuring the surface energy of a liquid 1.1 Young's equation 2 Measuring the surface energy of a solid 3 Calculating the Surface Energy of a Deformed Solid 4 See also 5 References [ edit ] Measuring the surface energy of

Thomas Young (scientist) print that pageTimeline of Thomas Young (scientist)

Young_Thomas_Lawrence

Wave theory of light 2.2 Young's modulus 2.3 Vision and colour theory 2.4 Young–Laplace equation 2.5 Young's equation and Young– Dupré equation 2.6 Medicine 2.7 Languages 2.8 Egyptian hieroglyphs 2.9 Music 3 Selected writings 4 References 5 Further reading 6

Gibbs–Thomson equation print that page

melting point depression is inversely proportional to the pore size, as given by the Gibbs–Thomson equation . Contents 1 Introduction 2 Gibbs–Thomson equation for particles 3 Gibbs–Thomson equation for liquids in pores 4 Simplified Gibbs-Thomson equation 5 Origins

wikipedia.org | 2011/9/9 3:01:34

Contact angle print that page

File-Water_droplet_at_DWR-coated_surface1

as γ S L and the liquid-vapor energy (i.e. the surface tension ) as simply γ, we can write an equation that must be satisfied in equilibrium (known as the Young Equation ): where θ C is the equilibrium contact angle. The Young equation assumes a perfectly flat surface, and in many

Electrowetting print that page

contains both chemical and electrical components, and charge becomes a significant term in that equation . The chemical component is just the natural surface tension of the solid/electrolyte interface with no electric field. The electrical component is the energy stored in the capacitor formed

wikipedia.org | 2011/7/1 2:00:43

Young–Laplace equation print that page

In physics , the Young–Laplace equation is a nonlinear partial differential equation that describes the capillary pressure difference sustained across the interface between two static fluids , such as water and air , due to the phenomenon of surface tension or wall tension , although

wikipedia.org | 2011/9/27 13:15:19

Surface tension print that page

Surface_tension_March_2009-3

Surface tension has the dimension of force per unit length , or of energy per unit area . The two are equivalent—but when referring to energy per unit of area, people use the term surface energy —which is a more general term in the sense that it applies also to solids and not just liquids

Washburn's equation print that page

In physics , the Washburn's equation [ 1 ] (also known as Lucas Washburn law, considering that R. Lucas [ 2 ] wrote a similar paper 3 years ahead) describes capillary flow in a bundle of parallels cylindrical tubes; it is extended with some issues also to the imbibition into porous materials

wikipedia.org | 2011/7/22 3:28:58