Calculating the Neutron Yield of the Globus-M2 Tokamak with Allowance for the Anisotropy of the Ion Velocity Distribution Function during Neutral Injection of High-Energy Atoms

Two algorithms for calculating the neutron yield of the Globus-M2 tokamak are considered for the case of anisotropic ion velocity distribution functions. Such calculations are necessary for estimating the neutron flux produced as a result of the interaction between fast particles (deuterons) arising...

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Bibliographic Details
Published in:Technical physics letters 2021-02, Vol.47 (2), p.177-180
Main Authors: Skrekel, O. M., Bakharev, N. N., Gusev, V. K., Kiselev, E. O.
Format: Article
Language:English
Subjects:
Algorithms
Anisotropy
Atomic beams
Classical and Continuum Physics
Deuterons
Distribution functions
Ion distribution
Ion velocity
Mathematical analysis
Neutron flux
Physics
Physics and Astronomy
Polynomials
Tokamak devices
Velocity distribution
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Summary:Two algorithms for calculating the neutron yield of the Globus-M2 tokamak are considered for the case of anisotropic ion velocity distribution functions. Such calculations are necessary for estimating the neutron flux produced as a result of the interaction between fast particles (deuterons) arising from the injection of a high-energy atomic beam. The first algorithm comprises the calculation of the six-dimensional integral in the velocity space, and the second uses the expansion of the ion distribution function in Legendre polynomials, which allows one to reduce the dimension of integration. The results obtained using these algorithms are compared, and the advantages and disadvantages of both algorithms are discussed.
ISSN:1063-7850
1090-6533
DOI:10.1134/S1063785021020280