Steady-State Thermomechanical Analysis of Thrust Chamber Cooling Channel

Authors

  • Jorge L. Paladini Universidad Nacional de La Plata, Facultad de Ingeniería, Departamento de Ingeniería Aeroespacial. La Plata, Argentina.
  • Alejandro J. Patanella Universidad Nacional de La Plata, Facultad de Ingeniería, Departamento de Ingeniería Aeroespacial. La Plata, Argentina.

DOI:

https://doi.org/10.70567/mc.v41i14.71

Keywords:

Thermomechanical, Steady-State, Regenerative cooling

Abstract

The methodology adopted for the stationary thermomechanical analysis of a regenerative channel of the thrust chamber of a liquid rocket propellant SSME is presented in this paper. The thermal analysis is solved with a unidimensional model of the cooling channel using the open source software Octave. In the first instance, the solution of the heat flow of hot gases is obtained, and then the one of the cooling fluid. In the next step, one-way interaction is used to obtain the stress state with the open source software Code_Aster. The hypotheses adopted for both analyzes are shown, as well as the modeling of the materials, the cooling fluid and the hot gases flow. A low cycle fatigue life determination is also shown.

References

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Published

2024-11-08

Issue

Section

Conference Papers in MECOM 2024