Fast Ignition Transport Simulations for NIF

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This paper shows work at Lawrence Livermore National Lab (LLNL) devoted to modeling the propagation of, and heating by, a relativistic electron beam in a idealized dense fuel assembly for fast ignition. The implicit particle-in-cell (PIC) code LSP is used. Experiments planned on the National Ignition Facility (NIF) in the next few years using the Advanced Radiography Capability (ARC) short-pulse laser motivate this work. We demonstrate significant improvement in the heating of dense fuel due to magnetic forces, increased beam collimation, and insertion of a finite-radius carbon region between the beam excitation and fuel regions.

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Strozzi, D J; Grote, D P; Tabak, M; Cohen, B I; Town, R P & Kemp, A J October 5, 2009.

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Description

This paper shows work at Lawrence Livermore National Lab (LLNL) devoted to modeling the propagation of, and heating by, a relativistic electron beam in a idealized dense fuel assembly for fast ignition. The implicit particle-in-cell (PIC) code LSP is used. Experiments planned on the National Ignition Facility (NIF) in the next few years using the Advanced Radiography Capability (ARC) short-pulse laser motivate this work. We demonstrate significant improvement in the heating of dense fuel due to magnetic forces, increased beam collimation, and insertion of a finite-radius carbon region between the beam excitation and fuel regions.

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PDF-file: 6 pages; size: 1.1 Mbytes

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  • Presented at: Inertial Fusion Sciences and Applications, San Francisco, CA, United States, Sep 06 - Sep 11, 2009

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  • Report No.: LLNL-PROC-418571
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 1009200
  • Archival Resource Key: ark:/67531/metadc840872

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Office of Scientific & Technical Information Technical Reports

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  • October 5, 2009

Added to The UNT Digital Library

  • May 19, 2016, 3:16 p.m.

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  • Dec. 7, 2016, 11:35 a.m.

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Strozzi, D J; Grote, D P; Tabak, M; Cohen, B I; Town, R P & Kemp, A J. Fast Ignition Transport Simulations for NIF, article, October 5, 2009; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc840872/: accessed November 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.