Cambridge Encyclopedia » Cambridge Encyclopedia Vol. 67

shock wave - Shock waves in supersonic flows, Shock waves due to nonlinear steepening, Analogies, Types of shock wave

caused pressure air

A moving, large-amplitude compression wave across which density, temperature, and pressure change abruptly. It is caused by a violent disturbance or supersonic motion. An explosion will produce a pressure shock wave in the surrounding air. A thunderclap is a shock wave caused by the rapid heating of air by lightning. A heavy impact on a solid will cause a stress shock wave. Shock waves cause a non-linear response in the medium.

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