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A state of fluid flow in which the distribution of mass and momentum is unstable. Fluid flows are subject to a variety of instabilities which...
A dimensionless group is any combination of dimensional or dimensionless quantities possessing zero overall dimensions. Dimensionless groups are...
The engineering science concerned with the relation between the forces acting on fluids (liquids and gases) and their motions, and with the forces...



= Encyclopedia Article; = Research Update
Figure 1.Hydrostatic fluid properties. cg = centroid of the plane.
From Encyclopedia article 'Fluid mechanics'
Figure 2.No-slip condition and shear stress set up by velocity gradients.
From Encyclopedia article 'Fluid mechanics'