The ratio of inertial forces and this quantity gives the Reynolds number.
One type of this quantity is related to thermal diffusivity by the Prandtl (PRAN-tul) number. Increased by the "no-slip condition," this quantity is measured in poise (PWAHZ). The ratio of inertial forces and this quantity gives the Reynolds number. A decrease in its magnitude causes turbulence, and it is not observed in superfluids. For 10 points, give this term for a fluid's resistance to flow.
One type of this quantity is related to thermal diffusivity by the Prandtl (PRAN-tul) number.
{viscosity}