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International Society for Industrial Process Tomography

6th World Congress on Industrial Process Tomography

Dimensional scaling relationships in electrical tomography


Wuliang Yin1, Wenqian Zhu1, Anthony Peyton1


1School of Electrical Engineering, University of Manchester, Manchester M60 1QD, UK,

wul i ang. yi n@ m anchest er. ac. uk


ABSTRACT


Electrical tomography techniques have been used in a range of industrial applications with different sizes of sensors and scale lengths. For Electrical Capacitance Tomography (ECT) and Electrical Impedance Tomography (EIT), simple geometrical scaling relations exist, which are governed by Laplace’s equation. For electromagnetic induction tomography (MIT) the frequency factor needs to be taken into account when applying geometrical scaling relations. A good understanding of these relationships is useful for process scaling­up and scaling­down.


This paper considers the geometrical scaling relationships in the context of electrical tomography and uses analytical, numerical and experimental approaches to validate the proposed scaling relations.


Keywords electrical tomography, scaling relationships, scale­up and scale down


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