Related Questions

Thermal diffusivity of a substance is given by (where h = Thermal diffusivity, $$\rho $$ = Density of substance, S = Specific heat and k = Thermal conductivity)
In fluid flow, and heat and mass transfer, one encounters (i) kinematic velocity (μ), (ii) molecular diffusivity (θ) and thermal diffusivity (α). The units of these quantities are.
Ratio of molecular diffusivity to thermal diffusivity is also known as?
Which number is defined as the ratio of momentum diffusivity to thermal diffusivity?