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On the Use of a Rotatable ECT Sensor to Investigate Dense Phase Flow: A Feasibility Study
Radosław Wajman1, Robert Banasiak1, Laurent Babout1
1Institute of Applied Computer Science at Lodz University of Technology, Stefanowskiego 18/22, 90-924 Lodz, Poland.
Abstract:
This paper presents the feasibility study of dynamic flow measurements using the concept of a rotatable electrical capacitance tomography (ECT) sensor. The experiment considered horizontal flow in a pneumatic conveying flow loop in the case of dense phase flow. Slugs and settled layers were imaged and a comparison was made between no rotation or rotation of the sensor for two image reconstruction schemas: linear back projection (LBP) and non-linear iterative back projection. Data were evaluated both qualitatively and quantitatively by estimating the solids concentration level for different hue levels.
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