Ludwig Mach (8 November 1868
Prague
Prague ( ; cs, Praha ; german: Prag, ; la, Praga) is the capital and List of cities in the Czech Republic, largest city in the Czech Republic, and the historical capital of Bohemia. On the Vltava river, Prague is home to about 1.3 milli ...
– September 1951) was an
Austrian physician and chemist.
Building on the work of
Ludwig Zehnder in 1891, Mach added refinements to an instrument which became known as the
Mach–Zehnder interferometer
The Mach–Zehnder interferometer is a device used to determine the relative phase shift variations between two collimated beams derived by splitting light from a single source. The interferometer has been used, among other things, to measure p ...
. He went on to employ photography for collecting visual data streamlines in the field of
Aerodynamics
Aerodynamics, from grc, ἀήρ ''aero'' (air) + grc, δυναμική (dynamics), is the study of the motion of air, particularly when affected by a solid object, such as an airplane wing. It involves topics covered in the field of fluid dy ...
.
Ludwig is the son of the physicist
Ernst Mach.
See also
*
Velocimetry
Velocimetry is the measurement of the velocity of fluids. This is a task often taken for granted, and involves far more complex processes than one might expect. It is often used to solve fluid dynamics problems, study fluid networks, in industria ...
References
{{DEFAULTSORT:Mach, Ludwig
1868 births
1951 deaths
Austrian physicists
Austrian chemists