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Thermodynamic properties of thermonuclear fuel in inertial confinement fusion

Published online by Cambridge University Press:  31 August 2016

V. Brandon ,
B. Canaud ,
M. Temporal  and
R. Ramis
V. Brandon
Affiliation:
CEA, DIF, F-91297 Arpajon, France
B. Canaud*
Affiliation:
CEA, DIF, F-91297 Arpajon, France
M. Temporal
Affiliation:
Centre de Mathématiques et de Leurs Applications, ENS Cachan and CNRS, UniverSud, 61 Avenue du Président Wilson, F-94235 Cachan Cedex, France
R. Ramis
Affiliation:
ETSIA, Universidad Politécnica de Madrid, 28040 Madrid, Spain
*
Address correspondence and reprint requests to: B. Canaud, CEA, DIF, F-91297 Arpajon, France. E-mail: benoit.canaud@cea.fr
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Abstract

Hot-spot path in the thermodynamic space $({\rm \rho} R,T_{\rm i} )_{{\rm hs}} $ is investigated for direct-drive scaled-target family covering a huge interval of kinetic energy on both sides of kinetic threshold for ignition. Different peak implosion velocities and two initial aspect ratios have been considered. It is shown that hot spot follows almost the same path during deceleration up to stagnation whatever the target is. As attended, after stagnation, a clear distinction is done between non-, marginally-, or fully igniting targets. For the last, ionic temperature can reach very high values when the thermonuclear energy becomes very high.

Keywords

Direct drive fusionHot-spotHydrodynamics calculationsInertial confinement fusion
Type
Research Article
Information
Laser and Particle Beams , Volume 34 , Issue 3 , September 2016 , pp. 539 - 544
Copyright
Copyright © Cambridge University Press 2016 

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