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← ScienceWhich risk increases when using the Navier-Stokes equations to simulate turbulent flow in a microfluidic device at elevated temperature?
A)Significant error due to buoyant convection
B)Computational divergence from high viscosity
C)Violation of the incompressibility assumption✓
D)Increased accuracy, better turbulence modeling
💡 Explanation
The violation of the incompressibility assumption increases. Navier-Stokes assumes constant density, but at elevated temperature, density fluctuates due to thermal expansion; therefore, this weakens the solution, rather than other effects caused by greater viscous forces alone.
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