AUTHORS - VANT | VOPROSY ATOMNOY NAUKI I TEKHNIKI

Since 1978
Published in Sarov (Arzamas-16), Nizhegorodskaya oblast

RUSSIAN FEDERAL
NUCLEAR CENTER -

ALL-RUSSIAN RESEARCH INSTITUTE
OF EXPERIMENTAL PHYSICS

Русский |

English

A STUDY OF FAST CHARGED PARTICLE TRANSFER EFFECT ON THERMONUCLEAR TARGETS COMBUSTION

S.A. Belkov, G.V. Dolgoleva, V.F. Ermolovich
VANT. Ser.: Mat. Mod. Fiz. Proc 2003. Вып.1. С. 51-55.

For adequate description of laser plasma physics a great number of physical processes must be taken into account. Energy, pulse and mass transfer by fast charged particles, produced by thermonuclear and neutron-nuclear reactions, is one of such processes. Generation and transfer of charged particles resulting from thermonuclear reactions in burning deuterium-tritium plasma are very essential. The model is to reflect where and how charged particles put out their energy, that is to calculate time-dependent energy, pulse and mass transfer by fast charged participles.

Two models describing this process: kinetic and diffusion are studied. The paper presents a mathematical setting of original problem and results of numerical study of fast charged particles transfer effect on compression and combustion of the capsule, designed in Los Alamos and proposed in the NIF Laser Project (US).

A STUDY OF THE EFFECT OF VARIOUS TURBULENT MIXING MODELS IN THE TARGET COMPRESSION CALCULATIONS FOR NIF FACILITY WITHIN SND TECHNIQUE

G.V. Dolgoleva, E.A. Novikova, V.P. Statsenko
VANT. Ser.: Mat. Mod. Fiz. Proc 2003. Вып.1. С. 56-60.

In the target compression calculations the processes of turbulent mixing are studied. The numerical SND technique includes two models of turbulent mixing (gradient and

-models), allowing quantitative study of mixing zone development and describing satisfactorily fluids with wide range of parameters. The results of comparative calculations of a target with these models are presented. The target proposed for use at the NIF facility (US) has been chosen for study. The calculations of turbulent mixing showed on the whole satisfactory agreement of turbulent quantities for both minimal and maximal values of changeable parameters in the above models.

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