Efficiency increase of relativistic BWO

Abstract

The influence of the interaction between the electron beam and the fundamental harmonic of the traveling wave and the phase velocity inhomogeneity in the BWO on its efficiency was investigated both numerically and experimentally. The numerical simulation has shown that a single-step increase of the phase velocity along the interaction space improves the phase relationships between the HF current and electromagnetic field and increases the efficiency of the energy exchange to 70%. At the same time realization of the initial modulation of electrons in the traveling wave fundamental harmonic field solely, by shifting the corrugated structure from the beyond-cutoff neck, increases the efficiency of the homogeneous BWO to 40%. In the experiment carried out on the `SINUS-6' electron accelerator, a nonuniform-phase-velocity BWO operating with an efficiency of 45% and microwave pulse power of 500 MW and a homogeneous BWO with an efficiency of 30% have been realized.

Original language	English
Title of host publication	IEEE International Pulsed Power Conference - Digest of Technical Papers
Editors	Kenneth R. Prestwich, William L. Baker
Place of Publication	Piscataway, NJ, United States
Publisher	IEEE
Pages	392-395
Number of pages	4
Volume	1
Publication status	Published - 1993
Externally published	Yes
Event	Proceedings of the 1993 9th IEEE International Pulsed Power Conference. Part 2 (of 2) - Albuquerque, NM, USA Duration: 21 Jun 1993 → 23 Jun 1993

Other

Other	Proceedings of the 1993 9th IEEE International Pulsed Power Conference. Part 2 (of 2)
City	Albuquerque, NM, USA
Period	21.6.93 → 23.6.93

ASJC Scopus subject areas

Engineering(all)

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Cite this

Efficiency increase of relativistic BWO. / Korovin, S. D.; Pegel, I. V.; Polevin, S. D.; Roitman, A. M.; Rostov, V. V.

IEEE International Pulsed Power Conference - Digest of Technical Papers. ed. / Kenneth R. Prestwich; William L. Baker. Vol. 1 Piscataway, NJ, United States : IEEE, 1993. p. 392-395.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Korovin, SD, Pegel, IV, Polevin, SD, Roitman, AM & Rostov, VV 1993, Efficiency increase of relativistic BWO. in KR Prestwich & WL Baker (eds), IEEE International Pulsed Power Conference - Digest of Technical Papers. vol. 1, IEEE, Piscataway, NJ, United States, pp. 392-395, Proceedings of the 1993 9th IEEE International Pulsed Power Conference. Part 2 (of 2), Albuquerque, NM, USA, 21.6.93.

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title = "Efficiency increase of relativistic BWO",

abstract = "The influence of the interaction between the electron beam and the fundamental harmonic of the traveling wave and the phase velocity inhomogeneity in the BWO on its efficiency was investigated both numerically and experimentally. The numerical simulation has shown that a single-step increase of the phase velocity along the interaction space improves the phase relationships between the HF current and electromagnetic field and increases the efficiency of the energy exchange to 70%. At the same time realization of the initial modulation of electrons in the traveling wave fundamental harmonic field solely, by shifting the corrugated structure from the beyond-cutoff neck, increases the efficiency of the homogeneous BWO to 40%. In the experiment carried out on the `SINUS-6' electron accelerator, a nonuniform-phase-velocity BWO operating with an efficiency of 45% and microwave pulse power of 500 MW and a homogeneous BWO with an efficiency of 30% have been realized.",

author = "Korovin, {S. D.} and Pegel, {I. V.} and Polevin, {S. D.} and Roitman, {A. M.} and Rostov, {V. V.}",

year = "1993",

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editor = "Prestwich, {Kenneth R.} and Baker, {William L.}",

booktitle = "IEEE International Pulsed Power Conference - Digest of Technical Papers",

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note = "Proceedings of the 1993 9th IEEE International Pulsed Power Conference. Part 2 (of 2) ; Conference date: 21-06-1993 Through 23-06-1993",

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AU - Korovin, S. D.

AU - Pegel, I. V.

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PY - 1993

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AB - The influence of the interaction between the electron beam and the fundamental harmonic of the traveling wave and the phase velocity inhomogeneity in the BWO on its efficiency was investigated both numerically and experimentally. The numerical simulation has shown that a single-step increase of the phase velocity along the interaction space improves the phase relationships between the HF current and electromagnetic field and increases the efficiency of the energy exchange to 70%. At the same time realization of the initial modulation of electrons in the traveling wave fundamental harmonic field solely, by shifting the corrugated structure from the beyond-cutoff neck, increases the efficiency of the homogeneous BWO to 40%. In the experiment carried out on the `SINUS-6' electron accelerator, a nonuniform-phase-velocity BWO operating with an efficiency of 45% and microwave pulse power of 500 MW and a homogeneous BWO with an efficiency of 30% have been realized.

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