ON THE INVESTIGATION OF SPARK FORMATION CONDITIONS AND ENERGY GAIN IN INERTIAL CONFINEMENT FUSION

Document Type : Regular Paper

Authors

1 1Department of Physics, Faculty of Science, University of Guilan, Rasht, I. R. of Iran,

2 Department of Physics, Shiraz University, Shiraz, I. R. of Iran

3 Department of Physics, Faculty of Science, University of Guilan, Rasht, I. R. of Iran

Abstract

In isobaric models for inertial confinement fusion it is assumed that the target configuration
at stagnation time (maximum compression) consists of two regions, hot spark and cold fuel, respectively.
Here the conditions of spark formation and ignition in hydrogen equimolar isotopes in central spark
ignition are investigated and permissible values of Hs and Ts are evaluated numerically. By introducing a
dimensionless parameter, ψs, the class of targets are considered by the specific value of ψs. Finally,
limiting fuel energy gain curve (Gf*) as a function of ignition energy (Eign) allows different implosion
velocities to be calculated. This result is in good agreement with more complex hydrodynamic models.

Keywords

Iranian Journal of Science
Volume 29, Issue 3 - Serial Number 3
November and December 2005
Pages 421-431

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