Abstract
PurposeFor the spatial reconstruction of a two phase flow, as it might occur in a pipe, the main problem has always been the blurring of the resulting images.Design/methodology/approachIn this paper, we present a method where blurring is implicitly avoided by the use of level sets. The level set method describes the iteratively evolving interface between different materials. The underlying field problem is solved with the boundary element method formulated in the region, where the degrees of freedom are present and the finite element method in all other regions.FindingsFinally reconstruction results of an electrical capacitance tomography sensor are presented to show the validity of the method.Originality/valuePresents a method where blurring is avoided by the use of level sets.
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