Wave-Driven Rotation In Centrifugal Mirrors

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Centrifugal mirrors use supersonic rotation to provide axial confinement and enhanced stability. Usually the rotation is produced using electrodes, but these electrodes have limited the rotation to the Alfven critical ionization velocity, which is too slow to be useful for fusion. Instead, the rotation could be produced using radio frequency waves. A fixed azimuthal ripple is a simple and efficient wave that could produce rotation by harnessing alpha particle energy. This is an extension of the alpha channeling effect. The alpha particle power and efficiency in a simulated devices is sufficient to produce rotation without external energy input. By eliminating ... continued below

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Fisch, Abraham J. Fetterman and Nathaniel J. March 28, 2011.

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Centrifugal mirrors use supersonic rotation to provide axial confinement and enhanced stability. Usually the rotation is produced using electrodes, but these electrodes have limited the rotation to the Alfven critical ionization velocity, which is too slow to be useful for fusion. Instead, the rotation could be produced using radio frequency waves. A fixed azimuthal ripple is a simple and efficient wave that could produce rotation by harnessing alpha particle energy. This is an extension of the alpha channeling effect. The alpha particle power and efficiency in a simulated devices is sufficient to produce rotation without external energy input. By eliminating the need for electrodes, this opens new opportunities for centrifugal traps.

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  • Open Systems for Magnetic Confinement 2010, Novosibirst, Russia (June 2010)
  • Transactions on Fusion Science and Technology (June 2011)

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  • Report No.: PPPL-4611
  • Grant Number: DE-ACO2-09CH11466
  • Office of Scientific & Technical Information Report Number: 1010972
  • Archival Resource Key: ark:/67531/metadc840707

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  • March 28, 2011

Added to The UNT Digital Library

  • May 19, 2016, 3:16 p.m.

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  • Aug. 3, 2016, 7:09 p.m.

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Fisch, Abraham J. Fetterman and Nathaniel J. Wave-Driven Rotation In Centrifugal Mirrors, article, March 28, 2011; Princeton, New Jersey. (digital.library.unt.edu/ark:/67531/metadc840707/: accessed November 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.