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Extracting the Magnetic Properties of Blast Furnace Cokes
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering. (EISLAB)
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering. (Eislab)
(English)In: IET Science, Measurement & Technology, ISSN 1751-8822, E-ISSN 1751-8830, ISSN 1751-8822Article in journal, Editorial material (Refereed) Submitted
Abstract [en]

This work aims to extract the magnetic properties of cokes used in the furnaces of the Swedish mineral company LKAB.Using Nicolson-Ross-Weir (NRW) algorithm and 10 sample loads of cokes, It has been found that cokes cause an attenuation of0.18 to 4 dB/m and exhibit between 2.8 and 3.7 as mean of magnetic permeability and between 0.075 and 0.11 as mean of losstangent within 10 to 350 MHz. With these figures, cokes will absorb 7.5 to 11 % of the reactive magnetic field energy and convertit to eddy currents due its natural electrical conductivity. The measurements are performed at room temperature.

Keyword [en]
Magnetic; Cokes; Attenuation; Permeability
National Category
Embedded Systems
Research subject
Engineering Materials; Embedded System; Experimental physics
Identifiers
URN: urn:nbn:se:ltu:diva-67132OAI: oai:DiVA.org:ltu-67132DiVA: diva2:1169645
Projects
636834 (DISIRE)
Available from: 2017-12-28 Created: 2017-12-28 Last updated: 2017-12-28

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