MULTI-PHASE CORIOLIS FLOWMETRE
Russian Federation Patent
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Abstract
FIELD: electricity. ^ SUBSTANCE: in digital flow metre the controller connected to sensor and oscillation generator, which are connected to flow metre tube, is provided with possibility of control for input of apparent density of two-phase flow, which is determined with flow metre, and output of corrected density of two-phase flow. Controller is also provided with possibility of control for input of apparent mass flow of two-phase flow determined with flow metre and for output of corrected mass flow, for input of apparent fraction of the first phase of two-phase flow, which is determined with flow metre, and for output of corrected fraction of the first phase, and for determining mass flow rate of the first phase and mass flow rate of the second phase, as well as for determining reduced velocity of the first phase and reduced velocity of the second phase on the basis of mass flow rate of the first phase and mass flow rate of the second phase respectively, and for determining sliding velocity of the first phase relative to the second phase on the basis of average velocity of the first phase and average velocity of the second phase. ^ EFFECT: invention improves measurement accuracy. ^ 45 cl, 32 dwg
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