Posted on May 1st, 2018
In fluid mechanics, Mach number (or) is a dimensionless quantity representing the ratio of speed of an object moving through a fluid and the local speed of sound. where is the Mach number, is the velocity of the source relative to the medium, and is the speed of sound in the medium. Mach number varies by the composition of the surrounding medium and also by local conditions, especially temperature and pressure.
