Abstract
A wet gas meter, based on combination of two dissimilar output signals from swirlmeter, i.e. the vortex precession frequency and the differential pressure of swirlmeter, was designed and investigated in low pressure wet gas flow. A wet gas measurement model with the simultaneous equations from the two correlations of swirlmeter has been established, and then the iterative solution algorithm is given. The proposed wet gas meter predicts the gas mass flow rate errors within ±8% from 91.3% tested samples, and the liquid mass flow rate errors within ±20% from 89.2% tested samples, which may be used to meter both gas and liquid flow rates for wet gas flow with X⩽0.12. In view of installation, maintenance and cost, the proposed approach is cost-effective due to using only a flow sensor.
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