Fluid Mechanics

Ideal Fluid & Non-Newtonian Fluids

Ideal Fluid Consider a hypothetical fluid having a zero viscosity (  μ  = 0). Such a fluid is called an  ideal fl…

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Fluid Mechanics

Compressibility

Compressibility Compressibility of any substance is the measure of its change in volume under the action of exter…

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Fluid Mechanics

Difference between an Incompressible and a Compressible Flow

Distinction between an Incompressible and a Compressible Flow In order to know, if   it is necessary to take into…

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Fluid Mechanics

Surface Tension of Liquids

Surface Tension of Liquids The phenomenon of surface tension arises due to the two kinds of inter molecular force…

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Fluid Mechanics

Capillarity or Capillary Action

Capillarity The interplay of the forces of cohesion and adhesion explains the phenomenon of capillarity. When a li…

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Fluid Mechanics

Vapour pressure

Vapour pressure All liquids have a tendency to evaporate when exposed to a gaseous atmosphere. The rate of ev…

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Hydraulics

What are the differences between barrage and weir?

BARRAGE: when adjustable gates are installed over a weir to maintain the water surface at different levels at differe…

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Technology

Three-dimensional polarization-independent visible-frequency carpet invisibility cloak

Joachim Fischer,1,†Tolga Ergin,1,*,†and Martin Wegener1,2 1 Institut für Angewandte Physik and DFG-Center for Functi…

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Strength of Materials

Euler's buckling equation

What is buckling? In engineering, buckling is a failure mode characterized by a sudden failure of a structural memb…

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