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Content archived on 2022-12-23

Experimental and theoretical investigations of particle beam and plasma stream target interaction

Objective



In Russia there are available, or under construction, several unique plasma stream facilities which allow for the production of magnetized pulsed hot plasma streams. The power densities in the streams can reach values of up to 10 MW/cm2. The task of this joint exercise will be to study the response of different target materials to high pulsed heat loads and to model theoretically the stream target interaction.

The experimental work concentrates on the analysis of the target plasma, on the expansion of the target plasma along and across magnetic field lines and on the quantification of the energy transfer from the plasma stream to the target. Low Z and high Z materials will be investigated. Especially for low Z materials the role of the radiative energy transfer and the importance of the hot plasma edge in the energy transfer problem will be addressed. The target plasma properties will be determined for ion and electron beams under perpendicular incidence to the target. In addition, the experimental study deals with the analysis of the target plasma and the quantification of the energy transfer to the target.

The experimental results will also be used for validation of theoretical modelling of the stream target interaction. Modelling is done with a radiation hydrodynamic code. The most important energy transfer mechanism is radiation transport. This requires calculation of optical properties of multicharged plasmas and performance of radiation transport calculations. It has to be demonstrated whether the multifrequency approach with opacities is appropriate or whether more sophisticated methods have to be applied to describe the experimental results.

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Programme(s)

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Funding Scheme

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Coordinator

Forschungszentrum Karlsruhe GmbH
EU contribution
No data
Address
Weberstraße 5
76021 Karlsruhe
Germany

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Total cost

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Participants (5)

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