| 摘要 |
PURPOSE:To increase the amount of a liquid having high liquid oxygen concentration and augment a driving force by separating liquid air into a liquid of high liquid oxygen concentration and another liquid of high liquid nitrogen concentration, and using the liquid of high liquid nitrogen as a cooling source for intake air after the decompression and temperature reduction thereof. CONSTITUTION:Liquid hydrogen 4 stored in a tank 1 installed on a flying body is pressurized and fed via a pump 2, and cools intake air 5 via an air condenser 3 and an air precooler 10. And then hydrogen 4 is supplied to an engine combustor 14. In the aforesaid constitution, liquid air 6 is separated into a liquid 8 of high liquid Oxygen concentration and another liquid 9 of high liquid nitrogen concentration via a separator 7. And the liquid 9 of high nitrogen concentration is decompressed by a throttle 18 and then an air partial condenser 20 in the upstream of the air condenser 3. According to the aforesaid system, the intake air 5 from an air duct 11 is cooled.
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