SCIENCE|natural and applied sciences|earth sciences · TRANSPORT · TRANSPORT|land transport|land transport
- Machuimhir chriticiúil Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
- ga
- critical Mach number | drag divergence Mach number
- en
- Definition the free stream Mach number at which the peak velocity on the surface of a body first becomes equal to the local speed of sound Reference 1-DF)Multilingual Aeronautical Dictionary(AGARD,1980)