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Exhaust nozzle. The front nozzles, which are made of steel, are fed with air from the LP compressor, and the rear nozzles, which are of Nimonic with hot (650 °C) jet exhaust. [7] The airflow split is about 60/40 front/back. [10] The nozzles are rotated using motorcycle chains driven by air motors powered by air from the HP compressor.
It uses carbon composite materials and uses the same basic design for both stages. The plug-cluster aerospike engine puts out 90,000 pounds-force (400 kN) of thrust. The engine has a bell-shaped nozzle that has been cut in half, then stretched to form a ring with the half-nozzle now forming the profile of a plug. [8]
An official U.S. Marine Corps photograph of Richard Tregaskis (left) with Major General Alexander A. Vandegrift, ca. 1942. Richard William Tregaskis (November 28, 1916 – August 15, 1973) was an American journalist and author whose best-known work is Guadalcanal Diary (1943), an account of the first several weeks (in August - September 1942) of the U.S. Marine Corps invasion of Guadalcanal in ...
A de Laval nozzle (or convergent-divergent nozzle, CD nozzle or con-di nozzle) is a tube which is pinched in the middle, with a rapid convergence and gradual divergence. It is used to accelerate a compressible fluid to supersonic speeds in the axial (thrust) direction, by converting the thermal energy of the flow into kinetic energy .
A tip jet is a jet nozzle at the tip of some helicopter rotor blades, used to spin the rotor, much like a Catherine wheel firework. [1] Tip jets replace the normal shaft drive and have the advantage of placing no torque on the airframe, thus not requiring the presence of a tail rotor.
A nozzle is a device designed to control the direction or characteristics of a fluid flow (specially to increase velocity) as it exits (or enters) an enclosed chamber or pipe. A nozzle is often a pipe or tube of varying cross sectional area, and it can be used to direct or modify the flow of a fluid ( liquid or gas ).
Figure 1: A de Laval nozzle, showing approximate flow velocity increasing from green to red in the direction of flow Density flow in a nozzle. A rocket engine nozzle is a propelling nozzle (usually of the de Laval type) used in a rocket engine to expand and accelerate combustion products to high supersonic velocities.
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