Abstract
In this paper, experimental data obtained with a new impedance based measuring technique for multi-phase flows are presented. By impedance measurement between different electrode combinations of a completely non-intrusive, multi-electrode impedance probe, a vector is obtained, which is subsequently compared to a set of stored data, shaped as a reference matrix. This allows for the on-line reconstruction of the local volumetric flow composition and the occurring flow regime. The method covers component concentrations in the range of 0–100% over multiple flow regimes and a wide field of flow components. In addition to a brief description of the reconstruction principle, different ways of generating the reference matrix are discussed and measured data for oil, water and gas flows are presented. Component concentration can be determined at an overall accuracy better than 2%.
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