Two-phase flow model gas-liquid flow proportion test calibration method, device and equipment

The invention discloses a two-phase flow model gas-liquid flow proportion test calibration method, device and equipment, and relates to the technical field of spaceflight, and the method comprises the steps: closing a liquid switch valve, opening a gas switch valve and a back pressure valve, measuring a first gas flow, a first inlet pressure and a first outlet pressure of a two-phase flow pipeline through a gas flowmeter, and calculating a gas flow resistance coefficient; closing the gas switch valve, opening the liquid switch valve and the back pressure valve, measuring the first liquid flow, the second inlet pressure and the second outlet pressure of the two-phase flow pipeline through the liquid flow meter, and calculating the liquid flow resistance coefficient; opening a gas switch valve, a liquid switch valve and a back pressure valve, and measuring a second gas flow, a second liquid flow, a third inlet pressure and a third outlet pressure of the two-phase flow pipeline through a flowmeter; calculating a