Fluid Mechanics

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Wall Shear Stress

 , where:

 = Wall Shear Stress (Pa)

 = Dynamic Viscosity (Pa*s)

u = Velocity (m/s)

y = Distance above Boundary (m)

Young-Laplace Equation

 , where:

p = Difference in Pressure (Pa)

 = Surface Tension (N/m)

Rx , Ry = Radii of curvature in x and y axes (m)

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