Multiphysics analysis of liquid metal annular linear induction pumps: A project overview

Maidana, Carlos Omar; Nieminen, Juha E.

Title: Multiphysics analysis of liquid metal annular linear induction pumps: A project overview

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Abstract

Liquid 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 bemore »« less

Authors:

^[1]; Nieminen, Juha E. ^[2]

MAIDANA RESEARCH, Grandville, MI (United States); Idaho State Univ., Pocatello, ID (United States); Chiang Mai Univ., Chiang Mai (Thailand)
MAIDANA RESEARCH, Grandville, MI (United States); Univ. of Southern California, Los Angeles, CA (United States)

Publication Date:: Mon Mar 14 00:00:00 EDT 2016

Research Org.:: MAIDANA RESEARCH, Grandville, MI (United States)

Sponsoring Org.:: USDOE Office of Nuclear Energy (NE)

OSTI Identifier:: 1256457

DOE Contract Number:: SC0013992

Resource Type:: Conference

Resource Relation:: Conference: Nuclear and Emerging Technologies for Space Conference (NETS-2016), Huntsville, AL (United States), 22-26 Feb 2016; Related Information: Full conference proceedings: http://anstd.ans.org/wp-content/uploads/2015/03/NETS-2016-Proceedings-FINAL.pdf

Country of Publication:: United States

Language:: English

Subject:: 21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS; 22 GENERAL STUDIES OF NUCLEAR REACTORS; 24 POWER TRANSMISSION AND DISTRIBUTION; 11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS; 42 ENGINEERING; liquid metals; magneto-hydrodynamics; thermo-magnetic systems; electromagnetic pumps; ALIP

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                    Maidana, Carlos Omar, and Nieminen, Juha E. Multiphysics analysis of liquid metal annular linear induction pumps: A project overview.  United States: N. p., 2016. 
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                    Maidana, Carlos Omar, & Nieminen, Juha E. Multiphysics analysis of liquid metal annular linear induction pumps: A project overview.  United States.

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                    Maidana, Carlos Omar, and Nieminen, Juha E. 2016.  
        "Multiphysics analysis of liquid metal annular linear induction pumps: A project overview".  United States.  https://www.osti.gov/servlets/purl/1256457.

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@article{osti_1256457,

  title        = {Multiphysics analysis of liquid metal annular linear induction pumps: A project overview},

  author       = {Maidana, Carlos Omar and Nieminen, Juha E.},

  abstractNote = {Liquid 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. Lastly, 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.},

  doi          = {},

  url          = {https://www.osti.gov/biblio/1256457},
  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {Mon Mar 14 00:00:00 EDT 2016},

  month        = {Mon Mar 14 00:00:00 EDT 2016}

}

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