Fuel measurement technique

Details Fuel measurement technique Fuel measurement technique

G - Physics

01

F

73/100, 354/21

G01F 22/00 (2006.01) B64G 1/40 (2006.01) G01F 23/22 (2006.01)

Patent

CA 2005385

ABSTRACT An improved technique for measuring the liquid remaining in a satellite is disclosed. The method of the invention includes the steps of a) coupling a known amount of thermal energy into a tank 12; b) measuring the time rate of change of the temperature dT/dt of the liquid 14 in response to the known amount of thermal energy; and c) calculating the mass m of the liquid 14 in the tank 12 as a function of the measured time rate of change of temperature of the liquid 14. In a specific embodiment, the method of the invention includes the step of compensating for the mass of the tank 12.

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