Abstract

Research Article

Sounding procedure for characterization of big fusion reactor chambers by means of a compact neutron source with a nanosecond pulse duration

VA Gribkov*, B Bienkowska, S Jednorog, M Paduch and Tomaszewski

Published: 20 September, 2018 | Volume 1 - Issue 1 | Pages: 033-051

In the paper a methodology that is elaborated for characterization of big-sized chambers of modern and future nuclear fusion reactors is described. It gives an opportunity to define distortions introduced by surroundings, systems and elements of the chamber into the neutron field generated during the reactors’ operation. The procedure is based on two types of experimental techniques supported by MCNP numerical modelling. These two classes are: 1) the neutron activation methods for measuring changes in anisotropy of the “absolute” neutron yields, and 2) the time-of-flight process for determination of neutron spectra deformations. MCNP calculations afterwards give an opportunity to fix just those elements of the surroundings that introduce the main impact in the perturbed neutron field characteristics.

Read Full Article HTML DOI: 10.29328/journal.ijpra.1001003 Cite this Article Read Full Article PDF

Keywords:

Fusion reactors; Dense plasma focus; Nanosecond neutron pulses; Neutron activation diagnostics; Time-of flight spectral diagnostics

References

  1. Gribkov VA, Bienkowska B, Paduch M. Examination of a chamber of a large fusion facility by means of neutron activation techique with nanosecond neutron pulse generated by dense plasma focus device PF-6. Fusion Engineering and Design. 2015; 125: 109–117. Ref.: https://goo.gl/LZwZwe
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  18. Gribkov VA, Banaszak A, Bienkowska B, Dubrovsky AV, Ivanova-Stanik I, et al. Plasma dynamics in the PF-1000 device under full-scale energy storage: II. Fast electron and ion characteristics versus neutron emission parameters and gun optimization perspectives. J Phys D App Phys. 2007; 40: 3592-3607. Ref.: https://goo.gl/WabVYq
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