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Title: Numerical Investigations Of Two-Phase Flow Through Differential Pressure Type Flowmeters
Author: B.Dobrowolski, Z. Kabza
Source: 1986 International Symposium on Fluid Flow Measurement
Year Published: 1986
Abstract: On the basis of a two-dimensional mathematical model,dispersed two-phase flow through a pipe orifice and a Venturi meter has been analysed. The two-phase flow was treated as the motion of interpenetrating and interacting continuous fluids. As a result of numerical calculations it is found that the metrological performance of differential pressure flowmeters depends on the degree of non-equilibrity of the flow phenomenon, dependent on the value of the Stokes number. A simple correction function, including the influence of application conditions on the differential pressure in two-phase flow, has been worked out. The two-sided criteria,enabling the estimation of the range of applicability of the calculation method for single-phase fluids in case of the measurement of two-phase mixture,have also been proposed.

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