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← ScienceWhich regime is established when a fluid's inertia overwhelms viscosity within the Navier-Stokes equation?
A)Established turbulent fluid flow✓
B)Accelerated laminar flow
C)Stagnant fluid
D)Transition to Newtonian behaviour
💡 Explanation
Turbulence is established when inertial forces dominate viscous forces. The Reynolds number increases, triggering a transition predicted by the stability analysis of the Navier-Stokes equations, because a higher Reynolds number signifies greater importance of momentum transfer by advection rather than dissipation therefore initiating swirls; rather than remaining laminar.
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