Prandtl numbers are named after a pioneer in what applied science?
Prandtl number The Prandtl number (Pr) or Prandtl group is a dimensionless number, named after the German physicist Ludwig Prandtl, defined as the ratio of momentum diffusivity to thermal diffusivity. That is, the Prandtl number is given as:
Bejan number There are two different Bejan numbers (Be) named after Duke University professor Adrian Bejan which are used in the scientific domains of thermodynamics and fluid mechanics.