Investigation of a Bi-propellant Thruster by a Developed Space Engine’s Thrust Chamber Analysis Code

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EediAttrzade Masoud; SarAbadani Atiyeh; Dararnia Ghazal; Khosrobeygi Hamed; Farshchi Mohammad; Ramezani Alireza

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Journal Paper

Paper Information

Journal: Journal of Space Science and Technology Year:2021 | Volume:14 | Issue:2 (پیاپی 47) Page(s): 47-37

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Information Journal Paper

Title

Investigation of a Bi-propellant Thruster by a Developed Space Engine’s Thrust Chamber Analysis Code

Author(s)

Keywords

Analysis Code

injection

Combustion

Bi-propellant Thruster

Space Engine

Abstract

Numerical modeling of Space Engines aside the experimental test is routine. In the design step of such engines, low-cost softwares are vital. In this paper, small-scale Space Engine thrust chamber Analysis Code will be developed. In this code, propellant injection and evaporation distribution will be modelled. 1D Combustion solver calculates the reactions of distributed fuel and oxidizer through the thrust chamber axis by chemical mechanisms. Then the cooling solver computes the heat transfer from hot gases to the film cooling layer and the outer surroundings. Validation shows acceptable errors in the modelling of processes. By this developed code, the performance of the Astrium Bi-propellant Thruster with MonoMethylHydrazine and NitrogenTetrOxide and distributed chemical reaction has been investigated. Results show that hot gas temperature inside the combustor is not uniform and has a peak. Furthermore, the evaporation of the propellant droplets is continued to the nozzle throat.

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