预燃室式发动机 PC Prechamber ; engine with antechamber ; precombustion chamber engine
预燃室层状充气发动机 PCI prechamber injection stratified-charge engine
混合发动机燃烧效率比较低，使用预燃室和补燃室、合理设计喷注器以及采用扰流装置，可以提高燃烧效率；
The combustion efficiency of hybrid rocket motor is very low. In order to increase combustion efficiency, we can use vaporization chamber and mixing chamber.
实验表明，采用新设计的预燃室燃烧系统后，发动机综合性能有较大的改善。
The experimental results show that the engine performance is enhanced greatly when a new designed combustion system is adopted.
在高空模拟实验器上，利用已有的航空发动机预燃室点火器，研究了燃油预热增温对高空低压点火性能的影响。
The effect of advanced fuel temperature on the high altitude ignition performance in the prechamber taken from an existent aero-engine at simulated high altitude facility was studied.
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