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In this paper, a novel capacitive array–sensor to visualize two-phase flow by measuring liquid holdup in pipe cross-section is introduced. The measuring principle is based on the difference between electrical permittivity of the phases. The sensor consists of two copper rings being an emitter and one receiver ring. The receiver ring is divided into segments, which are individually interrogated by...
An image-reconstruction approach for optical tomography is presented, in which a layered back-propagation neural network is used to reconstructs two-dimensional images of two-phase gas-liquid flow using wire-mesh sensor data as target by means of Levenberg-Marquardt algorithm. The network learns the relationship between the reference sensor measurements and optical tomography projections. Results...
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