TsAGI Science Journal
Publicou 6 edições por ano
ISSN Imprimir: 1948-2590
ISSN On-line: 1948-2604
THREE-DIMENSIONAL AFTERBODY DRAG WITH NOZZLE JET
Volume 48,
Edição 8, 2017,
pp. 723-750
DOI: 10.1615/TsAGISciJ.2018026680
RESUMO
This paper summarizes the results of investigation in Russia and abroad within the scope of external drag of afterbodies with nozzles (axisymmetric, flat, nonsymmetric) at subsonic and transonic Mach numbers. Fundamental phenomena of separation and nonseparation flow pattern are considered, including the effect of positive interference of the jet with sub- and transonic external flow. The influence of the geometric parameters of the afterbody with a jet nozzle on their drag is shown; the criteria for the flow around it to be attached and the conditions for ensuring a minimum external drag are formulated.
Palavras-chave: afterbody, axisymmetric and flat nozzles, external drag, sub- and transonic flows, jet, interference
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