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A Finite Element Method Based Approach for Evaluating the Sensitivity of Faraday-Type Electromagnetic Flow Meter for Liquid Sodium Flow

Kumar, Udaya and Rajan, KK (2011) A Finite Element Method Based Approach for Evaluating the Sensitivity of Faraday-Type Electromagnetic Flow Meter for Liquid Sodium Flow. In: CENTENARY CONFERENCE, 2011 - ELECTRICAL ENGINEERING, INDIAN INSTITUTE OF SCIENCE, BANGALORE, 15-17 December, 2011, IISc, Bangalore, India.

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Abstract

Faraday-type electromagnetic flow meters are employed for measuring the flow rate of liquid sodium in fast breeder reactors. The calibration of such flow meters, owing to the required elaborative arrangements is rather difficult. On the other hand, theoretical approach requires solution of two coupled electromagnetic partial differential equation with profile of the flow and applied magnetic field as the inputs. This is also quite involved due to the 3D nature of the problem. Alternatively, Galerkin finite element method based numerical solution is suggested in the literature as an attractive option for the required calibration. Based on the same, a computer code in Matlab platform has been developed in this work with both 20 and 27 node brick elements. The boundary conditions are correctly defined and several intermediate validation exercises are carried out. Finally it is shown that the sensitivities predicted by the code for flow meters of four different dimensions agrees well with the results given by analytical expression, thereby providing strong validation. Sensitivity for higher flow rates, for which analytical approach does not exist, is shown to decrease with increase in flow velocity.

Item Type: Conference Paper
Additional Information: Copyright of this article belongs to the Authors
Department/Centre: Division of Electrical Sciences > Electrical Engineering
Depositing User: review EPrints Reviewer
Date Deposited: 16 Apr 2013 08:07
Last Modified: 16 Apr 2013 08:07
URI: http://eprints.iisc.ac.in/id/eprint/46424

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