exhaust velocity

American  

noun

Rocketry.

1. the velocity, relative to a rocket, at which exhaust gases leave the nozzle of the rocket's engine.

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Example Sentences

Given the following data for a fire extinguisher-toy wagon rocket experiment, calculate the average exhaust velocity of the gases expelled from the extinguisher.

From Textbooks • Aug. 12, 2015

What is the takeoff acceleration of a 10,000-kg ABM that expels 196 kg of gas per second at an exhaust velocity of 2.50×103 m/s?

From Textbooks • Aug. 12, 2015

First, the greater the exhaust velocity of the gases relative to the rocket, ve , the greater the acceleration is.

From Textbooks • Aug. 12, 2015

Since the efficiency of a rocket engine depends largely on its exhaust velocity, the nuclear engine has a big initial advantage, but it has to pay a high price.

From Time Magazine Archive

“It’s a means of determining the relative merits of propellants. By using the number denoting the specific impulse, calculations can be made to determine the exhaust velocity of a rocket and ultimately its overall performance.”

From "October Sky" by Homer Hickam