Mach number
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:<math>M \equiv \frac{u}{a} \equiv \frac{\mbox{local flow speed}}{\mbox{local speed of sound}}</math> | :<math>M \equiv \frac{u}{a} \equiv \frac{\mbox{local flow speed}}{\mbox{local speed of sound}}</math> | ||
| - | The Mach number can be used to categorise | + | The Mach number can be used to categorise compressible flows into different [[Mach number regimes]] |
The name "Mach number" originates from the famous pioneer in compressible fluid dynamics [[Ernst Mach]] | The name "Mach number" originates from the famous pioneer in compressible fluid dynamics [[Ernst Mach]] | ||
[[Category: Dimensionless parameters]] | [[Category: Dimensionless parameters]] | ||
Revision as of 10:31, 13 September 2005
The Mach number, 
, is the local flow-speed, 
, divided by the local
speed of sound, 
:
The Mach number can be used to categorise compressible flows into different Mach number regimes
The name "Mach number" originates from the famous pioneer in compressible fluid dynamics Ernst Mach
