System for measuring a parameter of an aerated multi-phase mixture flowing in a pipe
First Claim
1. A flow measuring system for determining a characteristic of a fluid flowing within a pipe, the flow measuring system comprising:
- a flow meter device, wherein said first flow meter device is disposed to receive the fluid flow, wherein said flow meter device generates flow data responsive to at least one characteristic of the fluid flow;
a density meter, wherein said density meter is in flow communication with said flow meter device to receive the fluid flow, wherein said density meter generates density data responsive to said at least one characteristic of the fluid flow; and
a processing device, wherein said processing device is communicated with at least one of said flow meter device and said density meter to receive said fluid data and said density data, wherein said processing device determines said at least one characteristic of the fluid flow.
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Abstract
A method and apparatus for measuring at least one characteristic of an aerated fluid flowing within a pipe is provided, wherein the method includes generating a measured sound speed, a measured density, a pressure and a gas volume fraction for the aerated fluid. The method also includes correcting the measured density responsive to the measured sound speed, the pressure and the gas volume fraction to generate a corrected density. The method further includes calculating a liquid phase density, determining whether the gas volume fraction is above a predetermined threshold value and generating a mass flow rate responsive to whether the gas volume fraction is above the predetermined threshold value.
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Citations
20 Claims
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1. A flow measuring system for determining a characteristic of a fluid flowing within a pipe, the flow measuring system comprising:
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a flow meter device, wherein said first flow meter device is disposed to receive the fluid flow, wherein said flow meter device generates flow data responsive to at least one characteristic of the fluid flow;
a density meter, wherein said density meter is in flow communication with said flow meter device to receive the fluid flow, wherein said density meter generates density data responsive to said at least one characteristic of the fluid flow; and
a processing device, wherein said processing device is communicated with at least one of said flow meter device and said density meter to receive said fluid data and said density data, wherein said processing device determines said at least one characteristic of the fluid flow. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method for measuring at least one characteristic of an aerated fluid flowing within a pipe, the method comprising:
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generating a measured sound speed, a measured density, a pressure and a Gas Volume Fraction for the aerated fluid;
correcting said measured density responsive to said measured sound speed, said pressure and said Gas Volume Fraction to generate a corrected density;
calculating a liquid phase density responsive to said corrected density, said measured sound speed, said pressure and said Gas Volume Fraction;
generating a measured a mass flow rate responsive to said Gas Volume Fraction; and
correcting said measured mass flow rate responsive to said measured sound speed, said pressure and said Gas Volume Fraction to generate a corrected mass flow rate. - View Dependent Claims (11, 12, 13, 14)
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15. A method for measuring at least one characteristic of an aerated fluid flowing within a pipe, the method comprising:
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generating a measured sound speed, a measured density, a pressure and a Gas Volume Fraction for the aerated fluid;
calculating a Gas Volume Fraction responsive to said measured sound speed and said pressure;
correcting said measured density responsive to said measured sound speed, said pressure and said Gas Volume Fraction to generate a corrected density;
calculating a liquid phase density;
determining whether said Gas Volume Fraction is greater than a predetermined threshold value; and
generating a mass flow rate responsive to whether said gas volume fraction is greater than said predetermined threshold value. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification