SME
Aerodynamics · Problem type
Subsonic, transonic, supersonic or hypersonic
Use this for “An airliner cruises at M 0.85. Is its flow subsonic, transonic, supersonic or hypersonic?”
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Which flow regime is it?
Tap a card, then tap its group.
On this page subsonic is below M 0.8, transonic 0.8 to 1.2, supersonic 1.2 to 5 and hypersonic above 5.
Assumptions
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Each card gives the free-stream Mach number M of the vehicle or the part named.
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The boundaries are rough: textbooks place them a little differently.
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