Which outcome results when incompressible fluid flow exceeds a turbine's Reynolds number threshold?

💡 Explanation

Turbulent flow increases blade erosion because of random pressure fluctuations and increased shear stress. The onset of turbulence is marked by exceeding the Reynolds number. Therefore, erosion problems escalate, rather than efficiency improving or smooth (laminar) flow developing and cavitation is unrelated.

• Which failure precedes a closed-cycle cryocooler's inefficiency approaching Carnot limits?
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