The Prandtl Number is a dimensionless number that describes the relationship between momentum diffusivity (kinematic viscosity) and thermal diffusivity in a fluid. It is crucial in analyzing heat transfer processes, particularly convection, as it helps determine how easily heat is transferred compared to how easily momentum is transferred within the fluid. A higher Prandtl Number indicates that momentum diffusion dominates over thermal diffusion, which can significantly impact fluid flow and heat transfer behavior in various systems, including geothermal applications.
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