METHOD FOR DETERMINING A GAS PHASE MASS FRACTION AND/OR GAS PHASE MASS FLOW RATE OF A MULTI-PHASE MEDIUM WITH A LIQUID PHASE AND A GAS PHASE FLOWING IN A MEASURING TUBE, AND MEASURING SENSOR THEREFOR
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United States of America
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Issued Date -
Dec 19, 2024
app pub date -
Oct 25, 2022
filing date -
Oct 25, 2022
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A method for determining a gas phase mass fraction or mass flow rate of a multi-phase medium flowing in a measuring tube, which includes a break-away edge exposed to the flow and three pressure taps, each influenced differently by the break-away edge, the method including: determining a first pressure drop between the first and second pressure taps; determining a second pressure drop between the third pressure tap and one of the first or second pressure taps; and determining the mass fraction or mass flow rate of the gas phase from the first and second pressure drops, the first pressure tap arranged upstream of the break-away edge and both the second and third pressure taps downstream thereof, one normal vector substantially axis-parallel to the second pressure tap and one normal vector perpendicular to the third pressure tap, the second pressure tap point positioned at or close to a pressure minimum.
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