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PREMIXED LIQUID PROPELLANT PROPULSION SYSTEM AND METHOD WITH ANTI-FLASHBACK QUENCHING LIQUID INJECTOR
PREMIXED LIQUID PROPELLANT PROPULSION SYSTEM AND METHOD WITH ANTI-FLASHBACK QUENCHING LIQUID INJECTOR
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机译:带有反闪淬火液体喷射器的预混液体推进剂系统和方法
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摘要
A liquid injector system for a combustion engine, having a single feed inlet configured to receive a premixed liquid propellant under pressure or a purge gas under pressure, and having a liquid injector assembly. The assembly has a liquid injector having a hollow dome and injector holes configured to receive and inject the premixed liquid propellant or the purge gas through the liquid injector and into a combustion chamber. The liquid injector system has a liquid-to-gas zone between an injector outlet side and a flame front. A pressure gradient decrease between the liquid injector and the combustion chamber causes the premixed liquid propellant to expand from liquid to gas phases, which causes a temperature decrease at the liquid-to-gas zone, wherein the pressure gradient decrease and the temperature decrease prevent or mitigate the flame front from propagating upstream of the combustion chamber, which achieves an anti-flashback quenching liquid injector design.
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