An important aspect of any large explosion in air is the blast wave that it forms. This blast wave is generated when the atmosphere surrounding the explosion is forcibly pushed back, as by the gases produced from a conventional chemical explosive, or as furnished by a volatilized container and components in a nuclear explosion, or from the atmosphere itself when a portion is subjected to a sudden energy release as in a lightning flash.
KeywordsMach Number Shock Front Nuclear Explosion Standard Atmosphere Lightning Flash
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