The problem of heating the thermonuclear plasma at the transition from the gas-dynamic mode to the kinetic
Authors: Fedyunin D.E. | |
Published in issue: #8(37)/2019 | |
DOI: 10.18698/2541-8009-2019-8-517 | |
Category: Physics | Chapter: Plasma physics |
|
Keywords: plasma, open trap, retention modes, thermal stability, high temperatures, turbulent transport, plasma pressure, stationary heating |
|
Published: 10.09.2019 |
The parameters were calculated of plasma in an open magnetic trap, which is a convenient system for modeling the processes occurring in a thermonuclear plasma. The process is considered of modeling plasma heating scenarios, the stability of quasistationary regimes and power control methods are shown. The results of calculations of the heating dynamics indicate the need for a coordinated control of the supply of energy and matter into the plasma. The features of various retention modes at relatively low and high temperatures are investigated. The boundaries of stable regimes region are shown. Plasma heating in a modern experiment is analyzed. The results of the work can be used in optimizing the parameters of existing systems, designing modernized heating systems, as well as in developing conceptual designs for fusion power systems.
References
[1] Ivanov A.A., Prikhodko V.V. Gas dynamic trap: experimental results and future prospects. Phys.-Usp., 2017, vol. 60, no. 5, pp. 509–532. DOI: 10.3367/UFNe.2016.09.037967 URL: https://iopscience.iop.org/article/10.3367/UFNe.2016.09.037967
[2] Bagryansky P.A., Shalashov A.G., Gospodchikov E.D., et al. Threefold increase of the bulk electron temperature of plasma discharges in a magnetic mirror device. Phys. Rev. Lett., 2015, vol. 114, no. 20, art. 205001. DOI: 10.1103/PhysRevLett.114.205001 URL: https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.114.205001
[3] Bagryansky P.A., Ivanov A.A., Kruglyakov E.P., et al. Gas dynamic trap as high power 14 MeV neutron source. Fusion Eng. Des., 2004, vol. 70, no. 1, pp. 13–33. DOI: 10.1016/j.fusengdes.2003.08.002 URL: https://www.sciencedirect.com/science/article/pii/S0920379603004198
[4] Khvesyuk V.I., Chirkov A.Yu. Energy production in ambipolar reactors with D–T, D–3He, and D–D fuel cycles. Tech. Phys. Letters, 2000, vol. 26, no. 11, pp. 964–966. URL: 10.1134/1.1329685 DOI: https://link.springer.com/article/10.1134/1.1329685
[5] Chirkov A.Yu., Khvesyuk V.I. Comparison of tandem mirror reactors using D–T, alternative D–3He and catalyzed D–D fuel cycles. Fusion Sci. Technol., 2001, vol. 39, no. 2T, pp. 402–405. DOI: 10.13182/FST01-A11963490 URL: https://www.tandfonline.com/doi/abs/10.13182/FST01-A11963490
[6] Chirkov A.Yu., Khvesyuk V.I. Analysis of D-3He/catalyzed D–D plasma as a source of fusion power. Fusion Sci. Technol., 2001, vol. 39, no. 1T, pp. 406–409. DOI: 10.13182/FST01-A11963491 URL: https://www.tandfonline.com/doi/abs/10.13182/FST01-A11963491
[7] Stott P.E. The feasibility of using D-3He and D–D fusion fuels. Plasma Phys. Controll. Fusion, 2005, vol. 47, no. 8, pp. 1305–1338. DOI: 10.1088/0741-3335/47/8/011 URL: https://iopscience.iop.org/article/10.1088/0741-3335/47/8/011
[8] Chirkov A.Yu., Fedyunin D.E. Possible parameters of neutron source based on tokamak with tritium operation in a deuterium plasma. Inzhenernaya fizika [Engineering Physics], 2018, no. 12, pp. 12–18. (in Russ.).
[9] Chirkov A.Yu. Low radioactivity fusion reactor based on the spherical tokamak with a strong magnetic field. J. Fusion Energ., 2013, vol. 32, no. 2, pp, 208–214. DOI: 10.1007/s10894-012-9554-0 URL: https://link.springer.com/article/10.1007/s10894-012-9554-0
[10] Bosh H.-S., Hale G.M. Improved formulas for fusion cross-sections and thermal reactivities. Nucl. Fusion, 1992, vol. 32, no. 4, pp. 611–631. DOI: 10.1088/0029-5515/32/4/I07 URL: https://iopscience.iop.org/article/10.1088/0029-5515/32/4/I07
[11] Kukushkin A.B., Minashin P.V., Neverov V.S Electron cyclotron power losses in fusion reactor-grade tokamaks: scaling laws for spatial profile and power loss. 22nd IAEA Fusion Energy Conf., 2008, art. TH/P3-10.
[12] Svetlov A.S., Chirkov A.Yu. Fusion plasma thermal stability at different energy confinement scaling laws. Prikladnaya fizika [Applied Physics], 2016, no. 2, pp. 25–28 (in Russ.).
[13] Chirkov A.Yu. Evaluation of the operational parameters for NBI-driven fusion in low-gain tokamak with two-component plasma. Nucl. Fusion, 2015, vol. 55, no. 11, art. 113027. DOI: 10.1088/0029-5515/55/11/113027 URL: https://iopscience.iop.org/article/10.1088/0029-5515/55/11/113027