Plug nozzle
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The plug nozzle is a type of nozzle which includes a centerbody or plug around which the working fluid flows. Plug nozzles have applications in aircraft, rockets, and numerous other fluid flow devices
Typical plug-nozzle garden sprayer with a trigger-pull lever (at the back) to control the position of the plug and valve.
Sectioned Jumo 004 exhaust nozzle, showing the Zwiebel restrictive body
Aerospike engine
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The aerospike engine is a type of rocket engine that maintains its aerodynamic efficiency across a wide range of altitudes. It belongs to the class of altitude compensating nozzle engines. Aerospike e
Plug nozzle
…of the flow, ultimately allowing the water to form back into a stream. Plug nozzles belong to a class of altitude compensating nozzles, much like the aerospike, which, unlike traditional designs, maintains its efficiency at a wide range of altitudes. Similar to the garden hose example, plug nozzles use a shaped…
XRS-2200 linear aerospike engine for the X-33 program being tested at the Stennis Space Center
CSULB aerospike engine
NASA's toroidal aerospike nozzle
Mach diamonds in the exhaust of LEAP 71's 5kN aerospike rocket engine