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Simple method for evaluating the efficiency of high-speed air intakes

Authors
  • Zvegintsev, V. I.1
  • 1 Khristianovich Institute of Theoretical and Applied Mechanics SB RAS, Novosibirsk, Russia , Novosibirsk (Russia)
Type
Published Article
Journal
Thermophysics and Aeromechanics
Publisher
Kutateladze Institute of Thermophysics SB RAS
Publication Date
Jan 01, 2021
Volume
28
Issue
1
Pages
11–20
Identifiers
DOI: 10.1134/S0869864321010029
Source
Springer Nature
Keywords
License
Yellow

Abstract

A new and intuitive method for evaluating the efficiency of the compression process in a supersonic air intake is proposed. The method is based on a comparison of the geometric compression ratio of the flow tube in the air intake under consideration with the maximum possible isentropic compression. It is shown that a higher value of the geometric compression ratio in the air intake allows obtaining higher thrust characteristics, with other conditions being identical.

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