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Analysis of the retrograde hydrogen boron fusion gains at inertial confinement fusion with volume ignition

Published online by Cambridge University Press:  09 March 2009

Chr. Scheffel ,
R.J. Stening ,
H. Hora ,
R. Höpfl ,
J.M. Martinez-Val ,
S. Eliezer ,
G. Kasotakis ,
M. Piera  and
E. Sarris
Chr. Scheffel
Affiliation:
Anwenderzentrum, Inst. Techn., Hermann-Geib-Str. 18, 93053 Regensburg/Germany
R.J. Stening
Affiliation:
Anwenderzentrum, Inst. Techn., Hermann-Geib-Str. 18, 93053 Regensburg/Germany
H. Hora
Affiliation:
Department of Theoretical Physics, Univ. NSW, Sydney 2052, Australia
R. Höpfl
Affiliation:
Institute of Technology, Deggendorf, Germany
J.M. Martinez-Val
Affiliation:
Inst. Nuclear Fusion, Polytech. University Madrid, Spain
S. Eliezer
Affiliation:
Inst. Nuclear Fusion, Polytech. University Madrid, Spain
G. Kasotakis
Affiliation:
National Astronom. Observatory, Athens Greece
M. Piera
Affiliation:
Inst. Nuclear Fusion, Polytech. University Madrid, Spain
E. Sarris
Affiliation:
National Astronom. Observatory, Athens Greece
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Abstract

The very clean nuclear fusion reaction of hydrogen and boron-11 by inertial confinement arrives at conditions for power stations by volume ignition only at compressions to 100,000 times the solid state. The earlier (numerically) observed anomaly of decreasing gain at increasing density (retrograde behavior) is analyzed and the reason clarified: the strong stopping power mechanism, based on Gabor's collective model, is reaching its limit of too small Debye lengths at the extremely high densities because of the optimum temperature in the range of 30 keV due to the reabsorption of the bremsstrahlung. The relativistic correction of the bremsstrahlung for the always much higher temperatures after volume ignition is included from Maxon's model.

Type
Research Article
Information
Laser and Particle Beams , Volume 15 , Issue 4 , December 1997 , pp. 565 - 574
Copyright
Copyright © Cambridge University Press 1997

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