Journal
POWDER TECHNOLOGY
Volume 375, Issue -, Pages 275-283Publisher
ELSEVIER
DOI: 10.1016/j.powtec.2020.07.088
Keywords
Packed bed; Particle arrangement; Magnetic field; Pressure drop; Pumping power reduction
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Funding
- New Mexico Space Grant Consortium
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The pressure drop inside a fixed bed can be varied using external magnetic fields that affects the permeability of the bed. In the present work, the effect of uniform AC and DC magnetic fields on the pressure drop across a tightly packed bed of microsized nickel particles was investigated. The magnetic field was generated using a Helmholtz coil at different angular orientations to the axis of the bed. It was found that the pressure drop across the packed bed can be altered significantly by changing the orientations of the external magnetic field. In addition, the pressure drop value across the bed remained the same once the steady state is reached suggesting that the continuous application of the magnetic field is not necessary to maintain the pressure drop. The arrangement of particles can enable obtaining energy-efficiency in several applications such as nuclear reactors, industrial reactors, regenerators and hydrogen storage systems. (C) 2020 Elsevier B.V. All rights reserved.
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