DOI: https://doi.org/10.26089/NumMet.v19r214

Multiparameter optimization of operating control by the trust vector based on the jet injection into the supersonic part of a nozzle

Authors

  • K.N. Volkov
  • V.N. Emelyanov
  • M.S. Yakovchuk

Keywords:

optimization
numerical simulation
engine
thrust vector control
nozzle
jet
injection

Abstract

The processes accompanying the supersonic jet injection into the divergent part of a nozzle are considered for the creation of control forces in rocket engines. An approach to the multiparameter optimization of the nozzle’s geometric shape and the parameters of jet injection into the supersonic flow based on the application of a numerical model of the turbulent flow of a viscous compressible gas is proposed. The optimization parameters include the pressure ratio in the injection flow and nozzle flow, the angle of inclination of the nozzle to the axis of the main nozzle, the distance from the injection nozzle to the critical section of the main nozzle, and the shape of the injection nozzle outlet section. The numerical results obtained for various configurations of the trust control system are compared. A number of conclusions concerning the effect of input parameters on the trust coefficient are made.

New computational technologies

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Published

2018-04-20

Issue

Vol. 19 (2018): Issue 2.

Section

Section 1. Numerical methods and applications

Author Biographies

K.N. Volkov

D.F. Ustinov Baltic State Technical University «Voenmekh»
• Leading Researcher

V.N. Emelyanov

D.F. Ustinov Baltic State Technical University «Voenmekh»
• Professor

M.S. Yakovchuk

D.F. Ustinov Baltic State Technical University «Voenmekh»
• Associate Professor

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