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dc.contributor.authorCarlos O. Maidanaen_US
dc.contributor.authorJuha E. Nieminenen_US
dc.description.abstractLiquid metal-cooled fission reactors are both moderated and cooled by a liquid metal solution. These reactors are typically very compact and they can be used in regular electric power production, for naval and space propulsion systems or in fission surface power systems for planetary exploration. The coupling between the electromagnetics and thermo-fluid mechanical phenomena observed in liquid metal thermo-magnetic systems for nuclear and space applications gives rise to complex engineering magnetohydrodynamics and numerical problems. It is known that electromagnetic pumps have a number of advantages over rotating mechanisms: absence of moving parts, low noise and vibration level, simplicity of flow rate regulation, easy maintenance and so on. However, while developing annular linear induction pumps, we are faced with a significant problem of magnetohydrodynamic instability arising in the device. The complex flow behavior in this type of devices includes a time-varying Lorentz force and pressure pulsation due to the time-varying electromagnetic fields and the induced convective currents that originates from the liquid metal flow, leading to instability problems along the device geometry. The determinations of the geometry and electrical configuration of liquid metal thermo-magnetic devices give rise to a complex inverse magnetohydrodynamic field problem were techniques for global optimization should be used, magnetohydrodynamics instabilities understood-or quantified- and multiphysics models developed and analyzed. We present a project overview as well as a few computational models developed to study liquid metal annular linear induction pumps using first principles and the a few results of our multi-physics analysis.en_US
dc.titleMultiphysics analysis of liquid metal annular linear induction pumps: A project overviewen_US
dc.typeConference Proceedingen_US
article.title.sourcetitleNuclear and Emerging Technologies for Space, NETS 2016en_US Researchen_US State Universityen_US Mai Universityen_US of Southern Californiaen_US
Appears in Collections:CMUL: Journal Articles

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