Research Article

Comparison of the Flow Fields between Nozzles with Full-Open and Open-Close Valves at Transonic Velocity

Table 1

Physical structure size parameters of an ejector nozzle.

ParametersValues

Primary nozzle height ()120.75 mm
Secondary nozzle height ()40.38 mm
Primary nozzle outlet height ()55.75 mm
Throat height ()135.00 mm
Nozzle outlet height ()241.30 mm
Third auxiliary valve opening angle ()22°
Tail nozzle rotation angle ()11.5°
Distance from the tail nozzle outlet to the nozzle throat ()272.33 mm
Distance from the tail nozzle outlet to the primary nozzle outlet ()314.49 mm
Length of the third auxiliary valve ()98.2 mm
Width of the open valve ()100 mm
Width of the closed valve ()100 mm