Search Results - "ZAPEVALOV, V. E"

Non-Canonical Gyrotrons by Zapevalov, V. E.

“…We consider some gyrodevices, which differ from the gyrotron canon, in particular, devices with sectioned active media and/or interaction spaces, and…”
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The gyrotron: Constraints on output-power and efficiency increase by Zapevalov, V E

“…With allowance for the results of national and foreign gyrotron developments, we analyze constraints on the gyrotron efficiency and output power stipulated by…”
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Multibarrel Gyrotrons by Zapevalov, V. E., Zuev, A. S., Kuftin, A. N.

“…We propose a fundamentally new scheme of the multibarrel gyrotron. As an example, we consider three promising variants of implementation of the scheme with a…”
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Multi-Barrel Gyrotron for DNP/NMR Spectroscopy by Zapevalov, V. E., Zuev, A. S., O.P.Plankin, Semenov, E. S.

“…We consider an example of implementation of a multi-barrel gyrotron. The simplest scheme of the multi-barrel gyrotron combines the advantages of both the…”
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Numerical Modeling of the Processes of Electron-Wave Interaction in the Cavities of High-Power Gyrotrons with a Frequency of 300 GHz by Zavol’sky, N. A., Zapevalov, V. E., Moiseev, M. A.

“…Some of the intended fusion experiments and promising technological applications require sources of microwaves with powers of about 200–1000 kW in the…”
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Diamond–Silicon Carbide Composite as a Promising Material for Microelectronics and High-Power Electronics by Gordeev, S. K., Korchagina, S. B., Zapevalov, V. E., Parshin, V. V., Serov, E. A.

“…We present the basic characteristics of a diamond–silicon carbide composite “Skeleton,” which is a new promising material with a unique combination of…”
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Problems And Solutions For Collector Systems Of Powerful Gyrotrons by Zapevalov, V.E.

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Realization of an Octave Frequency Step-Tuning of Sub-terahertz Gyrotron for Advanced Fusion Research by Zuev, A. S., Fokin, A. P., Ananichev, A. A., Semenov, E. S., Plankin, O. P., Kuftin, A. N., Zapevalov, V. E., Glyavin, M. Yu

“…Theoretical and experimental investigation of broadband step-frequency tuning in a prototype sub-terahertz gyrotron for advanced plasma fusion research is…”
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Reduction of Ohmic Losses in the Cavities of Low-Power Terahertz Gyrotrons by Zapevalov, V. E., Zuev, A. S., Parshin, V. V., Semenov, E. S., Serov, E. A.

“…In the gyrotrons designed for the terahertz frequency range, the issue of primary interest is to ensure stable single-mode generation during operation at modes…”
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High-power microwaves against locusts and other harmful animals by Zapevalov, V.E.

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Non-canonical gyrotrons by Zapevalov, V.E.

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On Designing the Electron-Optical System of a Multibarrel Gyrotron by Zapevalov, V. E., Zuev, A. S., Kuftin, A. N., Plankin, O. P., Semenov, E. S.

“…We propose an original way to produce several thin helical electron beams using one common magnetic system. The proposed systems with broken azimuthal symmetry…”
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High-power Microwaves Against Locusts and Other Harmful Animals by Zapevalov, V.E.

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Broadband Frequency Tuning in a Powerful Gyrotron for Fusion by Zuev, A. S., Fokin, A. P., Ananichev, A. A., Kuftin, A. N., Zapevalov, V. E., Glyavin, M. Yu

“…The paper presents the possibility of broadband stepwise frequency tuning in the powerful gyrotron created at the IAP RAS, operating at the frequency of 250…”
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Influence of the energy and velocity spread in the electron beam on the starting conditions and efficiency of a gyrotron by Zavolsky, N. A., Zapevalov, V. E., Moiseev, M. A.

“…We study theoretically the influence of the spread of initial energies and velocities in the electron beam on the starting conditions and efficiency of a…”
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Numerical Simulation and Experimental Study of High-Power Gyrotrons with Energy Recovery by Zavol’sky, N. A., Zapevalov, V. E., Kuftin, A. N., Postnikova, A. S.

“…We present the results of numerical simulation and experimental study of high-pow gyrotrons with recovery of the residual energy of the spent electron beam…”
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Analysis of the Methods of Discrete and Smooth Frequency Tuning in Gyrotrons for Spectroscopy, on the Example of a Generator Operated in the 0.20–0.27 THz Frequency Range by Zavolsky, N. A., Zapevalov, V. E., Zuev, A. S., Plankin, O. P., Sedov, A. S., Semenov, E. S.

“…We consider the main features of a low-power frequency-tunable gyrotron with an oversized cavity, which is designed for the purposes of nuclear magnetic…”
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Optimization of a High-Power Subterahertz Gyrotron Tunable in a Wide Frequency Range Allowing for the Limitations Imposed by the Magnetic System by Zuev, A. S., Zapevalov, V. E., Plankin, O. P., Semenov, E. S.

“…We present a version of the frequency-tunable gyrotron operating in a wide frequency range (0.1–0.26 THz) with an output radiation power of up to 260 kW…”
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Gyrotron Development for High Power THz Technologies at IAP RAS by Bratman, V. L., Bogdashov, A. A., Denisov, G. G., Glyavin, M. Yu, Kalynov, Yu K., Luchinin, A. G., Manuilov, V. N., Zapevalov, V. E., Zavolsky, N. A., Zorin, V. G.

“…The review summarizes recent experimental results in the field of THz gyrotrons developed for various applications. A CW gyrotron with the operation frequency…”
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Terahertz gyrotrons: State of the art and prospects by Glyavin, M. Yu, Denisov, G. G., Zapevalov, V. E., Kuftin, A. N., Luchinin, A. G., Manuilov, V. N., Morozkin, M. V., Sedov, A. S., Chirkov, A. V.

“…The state of the art for terahertz gyrotrons that are needed for various scientific research and practical applications is presented. Powers of 5 kW and 200 kW…”
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