Mach angle

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English[edit]

English Wikipedia has an article on:
Wikipedia
Schlieren photography showing the shockwaves separating from the object
diagram of the Mach angle (angle of the shock cone against the axis of travel)

Etymology[edit]

Mach (“Ernst Mach”) +‎ angle

Noun[edit]

Mach angle (plural Mach angles)

  1. The angle at which shock waves separate from an object travelling supersonically. The angle is related to the Mach number of the supersonic object.
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