nozzle+velocity

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• Nozzle — Rocket nozzle. Water nozzle. A nozzle is a device design …   Wikipedia

• nozzle — i. A duct, tube, pipe, spout, or the like through which a fluid is directed and discharged from its open end. It is designed to meter the fluid or to produce a desired direction, velocity, or shape of discharge. Specifically, in gas turbine… …   Aviation dictionary

• nozzle — noun Etymology: diminutive of nose Date: 1683 1. a. a projecting vent of something b. a short tube with a taper or constriction used (as on a hose) to speed up or direct a flow of fluid c. a part in a rocket engine that accelerates the exhaust… …   New Collegiate Dictionary

• nozzle — noz•zle [[t]ˈnɒz əl[/t]] n. 1) a spout, terminal discharging pipe, or the like, as of a hose or bellows 2) a duct in a rocket engine in which the velocity of fluid is increased 3) sts Slang. nose • Etymology: 1600–10; see nose …   From formal English to slang

• de Laval nozzle — Diagram of a de Laval nozzle, showing approximate flow velocity (v), together with the effect on temperature (t) and pressure (p) A de Laval nozzle (or convergent divergent nozzle, CD nozzle or con di nozzle) is a tube that is pinched in the… …   Wikipedia

• De Laval nozzle — A de Laval nozzle (or convergent divergent nozzle, CD nozzle or con di nozzle) is a tube that is pinched in the middle, making an hourglass shape. It is used as a means of accelerating the flow of a gas passing through it to a supersonic speed.… …   Wikipedia

• Rocket engine nozzle — A rocket engine nozzle is a propelling nozzle usually of the de Laval type used in a rocket engine to expand and accelerate the combustion gases, from burning propellants, so that the exhaust gases exit the nozzle at hypersonic… …   Wikipedia

• propelling nozzle — A convergent/divergent duct in the exhaust system of a gas turbine engine, where the remaining gas energy is converted into velocity to produce thrust. In a gas turbine engine, the exit velocity of gases is subsonic at low thrust conditions only …   Aviation dictionary

• exhaust nozzle — That part of an exhaust cone that opens into the tailpipe; also referred to as the nozzle shaped end of the tailpipe. The nozzle acts as an orifice whose size determines the density and velocity of outgoing air. In some cases, the nozzle geometry …   Aviation dictionary

• convergent-divergent nozzle — An arrangement in which the forward portion of the nozzle is convergent, which increases the pressure of the exhaust gases, while the aft section is divergent to increase gas velocity to the supersonic speed and avoid losses from underexpansion.… …   Aviation dictionary

• Characteristic velocity — or c * is a measure of the combustion performance of a rocket engine independent of nozzle performance, and is used to compare different propellants and propulsion systems. Formula c * is the characteristic velocity (meters/second) p1 is the… …   Wikipedia