Mach number is flow speed over speed of sound¶

Mach number is a dimensionless quantity in fluid dynamics representing the ratio of flow speed divided by the speed of sound in the medium.

Links:

Wikipedia.

mach_number¶

Local Mach number.

Symbol:: M
Latex:: \(\text{M}\)

flow_speed¶

Flow speed with respect to internal or external boundaries.

Symbol:: u

speed_of_sound¶

Speed of sound in the medium.

Symbol:: c

law¶

M = u / c

Latex:: \[\text{M} = \frac{u}{c}\]