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:
Alexey Stakhov Stakhov, Alexey Petrovich (Russian: Стахов, Алексей Петрович ) born (May 7, 1939) – Ukrainian mathematician, inventor and engineer, who has made contributions to the theory of Fibonacci numbers and the "Golden Section" and their applications in computer science and measurement theory and technology. Doctor of Computer Science (1972), Professor (1974). Author of over 500 publications, 14 books and 65 international patents.