Low power multiple shell fusion targets for use with electron and ion beams

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Use of double shell targets with a separate low Z, low density ablator at large radius for the outer shell, reduces the focusing and power requirements while maintaining reasonable aspect ratios. A high Z, high density pusher shell is placed at a much smaller radius in order to obtain an aspect ratio small enough to protect against fluid instability. Velocity multiplication between these shells further lowers the power requirements. Careful tuning of the power profile and intershell density results in a low entropy implosion which allows breakeven at low powers. Ion beams appear to be a promising power source and ... continued below

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Pages: 36

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Lindl, J.D. & Bangerter, R.O. October 10, 1975.

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Description

Use of double shell targets with a separate low Z, low density ablator at large radius for the outer shell, reduces the focusing and power requirements while maintaining reasonable aspect ratios. A high Z, high density pusher shell is placed at a much smaller radius in order to obtain an aspect ratio small enough to protect against fluid instability. Velocity multiplication between these shells further lowers the power requirements. Careful tuning of the power profile and intershell density results in a low entropy implosion which allows breakeven at low powers. Ion beams appear to be a promising power source and breakeven at 10-20 Terrawatts with 10 MeV alpha particles appears feasible. Predicted performance of targets with various energy sources is shown and comparison is made with single shell targets. (auth)

Physical Description

Pages: 36

Notes

Dep. NTIS

Source

  • 1. international topical conference on electron beam research and technology, Albuquerque, New Mexico, USA, 3 Nov 1975

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  • Report No.: UCRL--77042
  • Report No.: CONF-751108--17
  • Grant Number: None
  • Office of Scientific & Technical Information Report Number: 4134884
  • Archival Resource Key: ark:/67531/metadc869927

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  • October 10, 1975

Added to The UNT Digital Library

  • Sept. 16, 2016, 12:32 a.m.

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  • Oct. 18, 2016, 1:40 p.m.

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Lindl, J.D. & Bangerter, R.O. Low power multiple shell fusion targets for use with electron and ion beams, article, October 10, 1975; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc869927/: accessed August 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.