05 - Propulsion
A SIMPLIFIED MODEL FOR THE SIMULATION OF SYNERGISTIC AIR-BREATHING ROCKET ENGINE
X. Yangı, Q. Yangı, W. Dongı; ıShanghai Jiao Tong University, China
A simplified model for the numerical simulation of a Synergistic Air-Breathing Rocket Engine together with its precooler has been proposed in the present investigation. A literature survey on the thermodynamic parameters highlighting the energy cycles at various stations of SABRE engine has been conducted. Altogether 43 groups of energy conservation equations, pressure balance equations and power balance equations have been solved using a nonlinear system solver integrated in commercial software MATLAB. In addition to the mass flow rate, temperature and pressure at each station, the pressure ratios of the air compressor and the helium compressor, the expansion ratios of the helium turbine and the hydrogen turbine have all been investigated numerically. Moreover, as the critical component of SABRE engine, the precooler with micro-tube structures has been modeled based on two-dimension spatial discretization, and the results have been presented in the form of matrices, which show the high performance of the precooler.