annular nozzle

annular nozzle

[′an·yə·lər ′näz·əl]
(design engineering)
A nozzle with a ring-shaped orifice.
References in periodicals archive ?
The result shows the exit flow acquires radial velocity components due to the presence of swirl diverging radially as soon as it exits the annular nozzle.
Preheated air is sent around the fuel jet from three concentric annular nozzles.