impulse, totalThe integral of the thrust (which can vary) over the burn time. If the thrust is constant, the total impulse is just the product of thrust and burn time. The total impulse is proportional to the total energy released by the propellant in a propulsion system. Related entry impulseRelated category ROCKETRY, TERMINOLOGYAlso on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History |