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Characterization of dense plasma streams generated by MPC and their interaction with material surfaces

Makhlaj V. A., Chebotarev V. V., Chuvilo A. A., Garkusha I. E., Ladygina M. S., Marchenko A. K., Petrov Y. V., Solyakov D. G.

Nukleonika

2012

Vol. 57, No. 2

197-200

Comparative studies of the parameters both pure helium and helium-xenon plasma have been fulfilled in a magneto-plasma compressor (MPC). The current-voltage characteristics of MPC accelerating channel and the maximum plasma velocity of (6-8) x 106 cm/s changed negligibly under local xenon injection to compression zone. Nevertheless, the xenon addition causes a growth of maximal plasma pressure up to of 2.3 MPa, an increase of plasma radiation from the compression zone. The plasma density achieved 1018 cm.

A method of impurity diagnostics in dense plasma systems

Tsarenko A. V., Chebotarev V. V., Sadowski M. J., Tereshin V. I.

Nukleonika

2001

Vol. 46, suppl. 1

37--40

The analysis of a plasma impurity composition in many plasma systems (such as coaxial plasma accelerators, magnetic- plasma compressors, plasma-focus devices, and others) is of great importance for plasma physics. In this work we have proposed a new spectral method for the determination of impurity concentrations in relation to the concentration of the main plasma (made of hydrogen in our case). This technique can be used e.g. for diagnostics of a peripheral zone in Plasma-Focus (PF) discharges, where LTE conditions must be fulfilled. Advantages of this method in comparison with other methods, as well as possible errors, are considered and discussed.