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Fluid flow which is not subjected to direct influence of the fluid viscosity (except for the indirect influence through the contact with boundary, see below).
In this case Navier-Stokes fluid flow momentum equation simplifies to Eauler fluid flow momentum equation.
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This flow regime happens for high Reynolds numbers
, which originates from:LaTeX Math Inline body {\rm Re} \gg 1
| low-viscosity fluids | high velocities
| large distance to solid boundaries restricting the flow
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The Reynolds numbers should not necessarily to be very high to induce an inviscid flow and many a laminar flows
| LaTeX Math Inline | ||
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