Abstract
In order to study the effect of active particles in plasma on the combustion of small rocket engines, the combustion characteristics of the combustion chamber under different ionization levels of fuel and oxidant were simulated. The results show that with the increase of the ionization degree of fuel and oxidant, the high temperature region of the combustion chamber advances and the proportion increases; the pressure of the combustion chamber increases continuously, so as to achieve the effect of increasing the engine thrust. It shows that the ionized active particles can shorten the propellant ignition delay, improve the combustion efficiency of the engine combustion chamber, making the combustion more fully; increase the combustion chamber pressure so as to increase the engine specific impulse.
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