characteristic velocity

noun Aerospace.
a measure of the effectiveness with which the combustion in a rocket engine produces high temperature and pressure, equal to the exhaust velocity divided by the thrust coefficient.
the total of all velocities a space vehicle must develop to complete a given mission.
an expression of the performance of a propellant or a propulsion system under given operating pressures. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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