Several tests conducted on various configurations of a two-stage supersonic ejector to capture low-pressure gas and discharge it for re-injection into a higher-pressure stream for use as fuel gas ...

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In 2000, Repsol YPF's Lujan de Cuyo, Argentina, refinery completed a vacuum unit revamp that increased total gas oil yield by 6% on whole crude while maintaining heavy vacuum gas oil (HVGO) product ...

At M11.2 there is a vacuum test position with a vacuum chamber, pumps and a two-stage nitrogen ejector system. The injection, ignition and combustion of new types of satellite propellants in ...