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:: \(\text{M}\)
Dimension:: dimensionless

flow_speed¶: flow_speed with respect to internal or external boundaries.

Symbol:: u
Latex:: \(u\)
Dimension:: velocity

speed_of_sound¶: Local speed_of_sound.

Symbol:: c
Latex:: \(c\)
Dimension:: velocity

law¶

M = u / c

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