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@TECHREPORT{Finken:136116,
author = {Finken, Karl Heinz and Institut für Plasmaphysik (Jülich)
and Association EURATOM - Forschungszentrum Jülich},
title = {{I}nteraction of pellets with hot plasmas},
volume = {Vol 2980},
number = {Juel-2980},
address = {Juelich},
publisher = {Forschungszentrum Juelich},
reportid = {PreJuSER-136116, Juel-2980},
series = {Berichte des Forschungszentrums Jülich},
pages = {66 S.},
year = {1994},
note = {Record converted from JUWEL: 18.07.2013},
abstract = {In thermonuclear fusion research, pellet plasma interaction
occurs in two important areas: One is the so-called inertial
confinement and the second one is the injection of pellets
in a magnetically confined plasma. In inertial confinement,
a spherical target of a few millimeters diameter filled with
a deuterium-tritium mixture - the pellet - is bombarded with
a well focussed high power beam of either photons
(laser-beam, indirectly by laser beam initiated incoherent
X-ray radiation) or particles (electron-, light ion- or
heavy ion-beam). The beam energy has to be in the order of
Mega-Joule for a time span of several nanoseconds. The beam
heats the outer surface of the pellet and forms an expanding
plasma cloud. The expansion establishes a reaction-force
directed towards the pellet center and initiates a
compression wave into the pellet. To reach a positive energy
balance, i.e. to extract more fusion power from the pellet
than has been put in by the beam, it is necessary to
compress the pellet center to a density of over one thousand
times the solid state density. Under this condition the
inertia of the pellet matter keeps the material together
long enough for obtaining the desired burning rate. Inertial
confinement attracts much attention from the military side
and, therefore, some aspects are still classified. In the
following, inertial confinement will not be discussed.},
cin = {IEF-4},
cid = {I:(DE-Juel1)VDB812},
shelfmark = {PGA - Plasma physics},
typ = {PUB:(DE-HGF)29},
url = {https://juser.fz-juelich.de/record/136116},
}