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初步设计了粉末火箭发动机,并以Mg粉作为燃料、CO2作为氧化剂进行了点火试验。研究结果表明,在一定的压强和温度下,利用空气与Mg粉的燃烧放热可成功引燃Mg粉/CO2,且在关闭空气后达到自持燃烧;燃烧室壁面沉积较多,主要以MgO为主,还有一部分未燃烧的Mg;通过该试验验证了Mg粉/CO2粉末火箭发动机方案的可行性。
A preliminary design of the powder rocket motor, and Mg powder as a fuel, CO2 as an oxidant ignition test. The results show that at a certain pressure and temperature, the use of air and Mg powder heat release can successfully ignite Mg powder / CO2, and close the air to achieve self-sustaining combustion; combustion chamber wall deposition more mainly to MgO as Lord, there is still a part of unburned Mg; through the test to verify the feasibility of Mg powder / CO2 powder rocket engine program.