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Mach’s construction

Mach’s construction. Dr Andrew French. What has a supersonic shockwave got to do with some really simple trigonometry?. Ernst Mach 1838-1916. Mach’s construction. shock front. Object moving at speed v creating waves as it moves.

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Mach’s construction

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  1. Mach’s construction Dr Andrew French

  2. What has a supersonic shockwave got to do with some really simple trigonometry?

  3. Ernst Mach 1838-1916 Mach’s construction shock front Object moving at speed v creating waves as it moves ‘Infinitesimally thin’ spherical shells of disturbance are created continuously as the object moves. They radiate out at the wave speed c

  4. Mach’s construction c is the wave speed v is the velocity of the object making the waves Mach number

  5. Kelvin wedge via Mach’s construction?

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