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TsAGI Science Journal

ISSN Imprimir: 1948-2590
ISSN On-line: 1948-2604

TsAGI Science Journal

DOI: 10.1615/TsAGISciJ.2014012538
pages 571-579

NOZZLE THRUST AUGMENTATION UNDER DIMENSIONAL CONSTRAINTS

Sergey Alexandrovich Takovitskii
Central Aerohydrodynamic Institute (TsAGI) 1, Zhukovskystr., Zhukovsky, 140180, Moscow region, Russia

RESUMO

The problem of designing axisymmetric supersonic nozzles is considered. In order to increase the jet thrust under dimensional constraints, the use an internal nozzle insert is proposed. The insert is located near the exit section outside the region of aerodynamic interference with the nozzle edge. The insert shape profiling and estimation of the thrust characteristics are performed by a direct optimization method. The research is performed within the framework of the Euler model for inviscid flow.


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