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

Mass Ratio - Derivation

... from the Tsiolkovsky's rocket equation where Δv is the desired change in the rocket's

... from the Tsiolkovsky's rocket equation where Δv is the desired change in the rocket's

**velocity**ve is the effective**exhaust velocity**(see specific impulse) m0 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) ...Reaction Engine - Energy Use - Propulsive Efficiency

... engine will need energy amounting to (where M is the mass of propellent expended and is the

... engine will need energy amounting to (where M is the mass of propellent expended and is the

**exhaust velocity**), which is simply the energy to accelerate the ... 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) ...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 ... Their thrust is actually inversely proportional to Isp if power going into**exhaust**is constant or at its limit from heat dissipation needs or other engineering constraints) ...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) ... mixtures 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

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

... 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 ... rocket has 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 ...### 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)