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PROPELLANT GAUGING AT MICROGRAVITY WITHIN THE PRESSURE - TEMPERATURE - DENSITY INFLECTION ZONE OF XENON
PROPELLANT GAUGING AT MICROGRAVITY WITHIN THE PRESSURE - TEMPERATURE - DENSITY INFLECTION ZONE OF XENON
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机译:氙气压力-温度-密度折变区微重力的推进剂计量。
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摘要
A method that is stored in tangible form and accessible by a data processing system for determination of xenon propellant remaining in a tank for a defined life condition. A heater controller establishes a first stable temperature of a propellant tank. A measurement is performed of a temperature and a pressure at the first stable temperature of the propellant tank. A second higher stable temperature is provided in the propellant tank. A measurement is performed of a temperature and a pressure at a second stable temperature. A computer processor computes a mass based on density and volume in accordance with measurements of temperature and pressure at the first stable temperature and the second stable temperature.
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