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Кирнева, Наталья Александровна

Организационные подразделения

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Институт лазерных и плазменных технологий

Стратегическая цель Института ЛаПлаз – стать ведущей научной школой и ядром развития инноваций по лазерным, плазменным, радиационным и ускорительным технологиям, с уникальными образовательными программами, востребованными на российском и мировом рынке образовательных услуг.

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Кирнева

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Наталья Александровна

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Теперь показываю 1 - 10 из 18

Только метаданные
Working area of the mephist tokamak: Preliminar estimation ОБЛАСТЬ РАБОЧИХ ПАРАМЕТРОВ ТОКАМАКА МИФИСТ: ПРЕДВАРИТЕЛЬНАЯ ОЦЕНКА
(2020) Kirneva, N. A.; Vorobjev, G. M.; Ganin, S. A.; Drozd, A. S.; Kudashev, I. S.; Kulagin, V. V.; Kurnaev, V. A.; Кирнева, Наталья Александровна; Дрозд, Алексей Станиславович; Кулагин, Владимир Владимирович
© 2020 National Research Center Kurchatov Institute. All rights reserved.Small spherical tokamak MEPHIST is under construction at the NRNU MEPhI. This paper is devoted to the analysis of the working area of the MEPHIST tokamak and modeling of ohmic discharges in the different plasma configurations, which can be obtained in it.
Только метаданные
Gyrotron setup for ECR-heating system of T-15MD TOKAMAK
(2020) Denisov, G. G.; Malygin, V. I.; Glyavin, M. Yu.; Belousov, V. I.; Kirneva, N. A.; Кирнева, Наталья Александровна
© 2020 SPIE. All rights reserved.The paper presents gyrotron-based system (developed by IAP RAS jointly with GYCOM Ltd.) for ECR plasma heating in the new T-15MD tokamak which is under construction in National Research Center "Kurchatov Institute". The first of a series (8 units) of microwave setups of a megawatt power level was developed and successfully tested. The setup includes a gyrotron, set of power supplies, a microwave radiation transmission line, and a fast protection system. 1 MW/82.6 GHz generation regime during 30 second pulse with an efficiency of 57% was experimentally demonstrated.
Только метаданные
On the selection of electron-cyclotron heating frequency for T-15md tokamak
(2020) Kislov, D. A.; Roy, I. N.; Kirneva, N. A.; Кирнева, Наталья Александровна
© 2020 National Research Center Kurchatov Institute. All rights reserved.Electron cyclotron heating is one of the methods of additional plasma heating and noninductive current drive in T-15MD tokamak. One to eight gyrotrons with a total power up to 7 MW will be used. The frequency of the microwave used depends on the parameters of the experimental scenarios in which the heating will be used and on the physical tasks for which it is intended. This article provides justifica-tion for the choice of the gyrotronsi frequency f1 ° 82.6 GHz for the start-up phase and for the first plasma experiments, and considers the possibility of using this frequency at the stage of full-scale experiments. In order to provide flexibility of the .-15MD ECRH system, it is proposed to consider the possibility of the development of a gyrotron complex based on two-frequency gyrotrons with f1 ~ 82.6 GHz and f2 in the range of ~ 102-X110 GHz.
Только метаданные
Current status of tokamak T-15MD
(2021) Khvostenko, P. P.; Anashkin, I. O.; Bondarchuk, E. N.; Chudnovsky, A. N.; Kirneva, N. A.; Кирнева, Наталья Александровна
© 2021 Elsevier B.V.At the present time, the preparation to physical start-up of tokamak T-15MD is completed in the National Research Center “Kurchatov Institute”. The main parameters of T-15MD are: R = 1.48 m, a = 0.67 m, B = 2.0 T, Ipl = 2.0 MA. The magnet system is capable to maintain without overheating (more 60 °C) the plasma current of 2 MA for 4 s, 1 MA for 20 s, 700 kA for 40 s, 500 kA for 80 s, 300 kA for 160 s and 250 kA for 400 s. Plasma current drive can be maintained either by injection of fast neutrals or by electron cyclotron (EC)-, ion cyclotron (IC)- and low hybrid (LH) - waves. In August 2019 the electromagnetic system, consisting of TF and PF coils, together with vacuum vessel have been assembled in experimental hall. Power supply system of Tokamak T-15MD includes: two substations 110/10 kV, two substations 10/0.83 kV, thyristor convertors and different equipment. Total power consumption during the pulse with plasma current 2 MA and additional plasma heating of 20 MW will consist of 300 MVA. Power supply system is in the commissioning. Tokamak T-15MD will be operate using the information and control system. All the information and control system equipment, required for the implementation of physical start-up of tokamak T-15MD, is available. For plasma control the 250 different electromagnetic probes are installed inside vacuum vessel. The gyrotron with frequency 82.6 GHz and power of 1 MW will be used for pre-ionization.
Только метаданные
Possibility of using the 140 GHZ frequency for ECR plasma heating in the T-15MD Tokamak ВОЗМОЖНОСТЬ ИСПОЛЬЗОВАНИЯ ЧАСТОТЫ 140 ГГЦ ДЛЯ ЭЦР-НАГРЕВА ПЛАЗМЫ В ТОКАМАКЕ Т-15МД
(2021) Borshchegovskii, A. A.; Kuyanov, A. Yu.; Pimenov, I. S.; Roi, I. N.; Kirneva, N. A.; Кирнева, Наталья Александровна
© 2021 National Research Center Kurchatov Institute. All rights reserved.Electron-cyclotron heating is one of the methods of additional plasma heating in the T-15MD tokamak. The article considers the possibility of plasma heating using an extraordinary wave on the third harmonic of electron-cyclotron resonance at a frequency of 140 GHz. It has been shown that in accordance with the calculations by quasi-linear OGRAY code, a high fraction of single-pass absorption (up to 96%) can be expected even when the ECR is turned on with an ohmic background. Increase of this fraction with the increase in plasma temperature agrees with the theoretical predictions. Vertical power launch seems to be most attractive. Possible engineering solutions for implementation of such a scheme are proposed.
Только метаданные
Possibility of Using the 140 GHz Frequency for ECR Plasma Heating in the T-15MD Tokamak
(2022) Kirneva, N. A.; Borshchegovskii, A. A.; Kuyanov, A. Yu.; Pimenov, I. S.; Roi, I. N.; Кирнева, Наталья Александровна
Только метаданные
Comparison of Operating Parameters of the KTM Tokamak with Operating Ranges of the Facility
(2023) Kirneva, N. A.; Belov, A. M.; Olkhovik, D. A.; Ryzhakov, D. V.; Кирнева, Наталья Александровна
Только метаданные
On the Possibility of Applying ECR Heating and Current Drive in the DEMO-S and DEMO-FNS Facilities
(2023) Kirneva, N. A.; Кирнева, Наталья Александровна
Только метаданные
Microwave Setup of Amegawatt Power Level for the ECR Plasma Heating and Current Drive System of the T-15MD Tokamak
(2020) Denisov, G. G.; Malygin, V. I.; Tsvetkov, A. I.; Eremeev, A. G.; Kirneva, N. A.; Кирнева, Наталья Александровна
© 2021, Springer Science+Business Media, LLC, part of Springer Nature.As part of the creation of a unique T-15MD tokamak with a magnetic field of 2 T and an aspect ratio of 2.2, the first one of a series (8 pieces) of microwave setups of a megawatt power level for electron–cyclotron plasma heating and current drive was developed and successfully tested. The setup includes a gyrotron, power supplies, a microwave radiation transmission line, and a fast (response time is no more than 10 μs) gyrotron emergency protection system. The generation regime was experimentally demonstrated with the parameters 1 MW/30 s/82.6 GHz for an efficiency of 57%.
Только метаданные
Detection of Internal Transport Barrier in the T-10 Tokamak Using Thomson Scattering Diagnostics
(2024) Asadulin, G. M.; Kirneva, N. A.; Bel’bas, I. S.; Gorshkov, A. V.; Panfilov, D. S.; Кирнева, Наталья Александровна