In order to design two-dimensional nozzle/ejector systems for future high performance aircraft, the basic engine exhaust plume velocity and temperature decay as affected by the secondary stream (ejector) and decay augmentation means must be assessed. Included in the assessment of the plume decay characteristics are the effects of nozzle aspect ratio and nozzle/ejector flow conditions. Nozzle/ejector plume decay can be enhanced by suitable excitation of the plume shear layers. Correlation of these factors are developed in a manner similar to previously developed for conic and dual-flow nozzle plumes.
Secondary stream and excitation effects on two-dimensional nozzle plume characteristics
Sekundaerstroemung und Anregungswirkung auf zweidimensionale Duesenfahnen
AIAA-Papers ; Jul ; 1-11
1987
11 Seiten, 18 Bilder, 1 Tabelle, 21 Quellen
Conference paper
English
Two-dimensional nozzle plume characteristics
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