| 摘要 |
A first pressure measurement P1, P2 is carried out at the outlet of the pressurisation tank 1 and at the inlet of the fuel tank 2 at a predetermined moment during the space mission, then a second pressure measurement DELTA P1, DELTA P2 is carried out after having connected the outlet of the pressurisation gas tank 1 directly to the inlet of the fuel tank 2, the measurement of the pressure variations DELTA P1 and DELTA P2 being used to determine the volume of gas in the fuel tank 2 from the equation: V2 = V1 ( DELTA P1/ DELTA P2) This method is applicable to artificial satellites placed in orbit. <IMAGE>
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