Performance analysis of secondary gas injection into a conical rocket nozzle

Hyun Ko, Woong-Sup Yoon

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

The effects of injection location of secondary jet and nozzle divergent cone angle on the performance of secondary gas injection for thrust vector control (SITVC) were numerically investigated. Three-dimensional Reynolds-averaged Navier-Stokes equations with an algebraic turbulence model solved the complex three-dimensional nozzle flows perturbed by the secondary gas jet. The numerical code was properly validated by experiment. The results showed that downstream secondary jet injection and smaller nozzle divergent cone angles lead to higher efficiencies over a wide range of pressure ratios. The occurrence of reflected shock waves severely lowers SITVC propulsion performance. Upstream jet injection is more effective in a narrow range of deflection.

Original languageEnglish
Pages (from-to)585-591
Number of pages7
JournalJournal of Propulsion and Power
Volume18
Issue number3
DOIs
Publication statusPublished - 2002 Jan 1

Fingerprint

secondary injection
rocket nozzles
Rocket nozzles
gas injection
divergent nozzles
thrust vector control
injection
Nozzles
cones
gas
nozzle flow
Cones
gas jets
pressure ratio
thrust
turbulence models
propulsion
Navier-Stokes equation
upstream
three-dimensional flow

All Science Journal Classification (ASJC) codes

  • Aerospace Engineering
  • Fuel Technology
  • Mechanical Engineering
  • Space and Planetary Science

Cite this

Ko, Hyun ; Yoon, Woong-Sup. / Performance analysis of secondary gas injection into a conical rocket nozzle. In: Journal of Propulsion and Power. 2002 ; Vol. 18, No. 3. pp. 585-591.
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Performance analysis of secondary gas injection into a conical rocket nozzle. / Ko, Hyun; Yoon, Woong-Sup.

In: Journal of Propulsion and Power, Vol. 18, No. 3, 01.01.2002, p. 585-591.

Research output: Contribution to journalArticle

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