What are Pr and vr called? Is their use limited to isentropic processes? Explain
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It is a dimensionless quantity that measures the relative thickness of the momentum (viscous) boundary layer to the thermal boundary layer. It is defined as Pr = Ī½/Ī± = Ī¼ Cp / k, where: - Ī½ is kinematic viscosity (Ī¼/Ļ), - Ī± is thermal diffusivity (k/(Ļ Cp)), - Ī¼ is Show moreā¦
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