### Some articles on *exhaust velocity, exhaust, velocity*:

Project Orion (nuclear Propulsion) - Basic Principles

... The Orion nuclear pulse drive combines a very high

... The Orion nuclear pulse drive combines a very high

**exhaust velocity**, from 12 to 19 mi/s (19 to 31 km/s) in typical interplanetary designs, with meganewtons of thrust ... For any rocket propulsion, since the kinetic energy of**exhaust**goes up with**velocity**squared (kinetic energy = ½ mv2), whereas the momentum and thrust goes up with**velocity**linearly (momentum = mv), obtaining a ... inversely proportional to Isp if power going into**exhaust**is constant or at its limit from heat dissipation needs or other engineering constraints) ...Reaction Engine - Energy Use - Propulsive Efficiency

... to (where M is the mass of propellent expended and is the

... to (where M is the mass of propellent expended and is the

**exhaust velocity**), which is simply the energy to accelerate the**exhaust**... of it, ends up as kinetic energy of the**exhaust**... This comes to an**exhaust velocity**of about ⅔ of the mission delta-v (see the energy computed from the rocket equation) ...Mass Ratio - Derivation

... v is the desired change in the rocket's

... v is the desired change in the rocket's

**velocity**ve is the effective**exhaust velocity**(see specific impulse) m0 is the initial mass (rocket plus contents plus propellant) m1 is ... This equation indicates that a Δv of times the**exhaust velocity**requires a mass ratio of ... For instance, for a vehicle to achieve a of 2.5 times its**exhaust velocity**would require a mass ratio of (approximately 12.2) ...Rocket Propellant - Mixture Ratio

... The theoretical

... The theoretical

**exhaust velocity**of a given propellant chemistry is a function of the energy released per unit of propellant mass (specific energy) ... is that fuel-rich mixtures have lower molecular weight**exhaust**, which by reducing increases the ratio which is approximately equal to the theoretical**exhaust velocity**... Fuel-rich mixtures actually have lower theoretical**exhaust**velocities, because decreases as fast or faster than ...Spacecraft Propulsion - Methods - Reaction Engines - Delta-v and Propellant

... in a straight line in free space would produce a net

... in a straight line in free space would produce a net

**velocity**change to the vehicle this number is termed 'delta-v' ... If the**exhaust velocity**is constant then the total of a vehicle can be calculated using the rocket equation, where M is the mass of propellant, P is the mass of the payload ... a payload of mass P, the spacecraft needs to change its**velocity**by, and the rocket engine has**exhaust velocity**ve, then the mass M of reaction mass which is needed can be calculated using the rocket equation and ...### Famous quotes containing the word exhaust:

“Language is like soil. However rich, it is subject to erosion, and its fertility is constantly threatened by uses that *exhaust* its vitality. It needs constant re-invigoration if it is not to become arid and sterile.”

—Elizabeth Drew (1887–1965)