| 摘要 |
PURPOSE: A rocket engine is provided to reduce costs by using a natural gas as a fuel, while allowing for ease of test. CONSTITUTION: A rocket engine comprises a fuel supply unit(10) having a fuel supply path; a mixer head(20) connected to the fuel supply unit, which has an oxidizer supply port(21) formed at the side surface of the mixer head, and a plurality of injectors(23); an igniting member mounting unit(30) connected to the mixer head, which has an igniting member mounting port(31) formed at the side surface of the igniting member mounting unit; a combustion chamber(40) formed of a double cylinder, which has the first fuel injection port(42) and the first fuel outlet port(41) formed at the outer cylinder, wherein the combustion chamber is connected to the igniting member mounting unit; and a nozzle unit(50) formed of a double cylinder, which has the second fuel injection port(52) and the second fuel outlet port(51) formed at the outer cylinder, wherein the nozzle unit is connected to the combustion chamber.
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