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Physical Sciences & Mathematics

An engineer increases the Reynolds number of fluid flow through a pipe; which effect dominates as laminar flow transitions to turbulence via bifurcation?

A)Fluid density becomes uniformly distributed
B)Viscosity increases linearly with velocity
C)Pressure drop decreases due to inertial forces
D)Flow patterns exhibit multiple stable states

💡 Explanation

Multiple stable states emerge because, at the point of bifurcation, the system's stability changes, leading to qualitatively different flow patterns as the Reynolds number is further increased. Therefore, multiple flow patterns are observed, rather than a simple increase in viscosity or a uniform distribution of fluid density.

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