Numerical simulation and experimental measurement of pulse generation in coaxial forming lines

Abstract

In the SINUS family of pulsed, high current electron beam accelerators [1], the energy stored within a coaxial forming line (usually oil-insulated) is delivered to a load by means of a high voltage pressurized spark gap switch. For better matching to the load, a transmission line having a nonuniform wave impedance may be included between the switch and the load. Numerical simulation of the system described above has been performed with the use of 2.5D version of 2.5 & 3D, fully electromagnetic PIC-code KARAT [2]. Geometrical parameters of several SINUS accelerators were used. Actual spatial configurations of the gas switch were considered, but the time dependent spark resistance between the electrodes was included as a variable. The obtained results are compared with actual pulse shapes from experiments. Conclusions are drawn about how the spark resistance as the function of time effects the pulse observed.

Original language	English
Title of host publication	IEEE International Conference on Plasma Science
Publisher	IEEE
Pages	197-198
Number of pages	2
Publication status	Published - 1994
Externally published	Yes
Event	Proceedings of the IEEE International Conference on Plasma Science - Santa Fe, NM, USA Duration: 6 Jun 1994 → 8 Jun 1994

Other

Other	Proceedings of the IEEE International Conference on Plasma Science
City	Santa Fe, NM, USA
Period	6.6.94 → 8.6.94

ASJC Scopus subject areas

Condensed Matter Physics

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Numerical simulation and experimental measurement of pulse generation in coaxial forming lines. / Pegel, I. V.; Moreland, L. D.; Roitman, A. M.; Schamiloglu, E.; Gubanov, V. P.; Gunin, A. V.; Korovin, S. D.; Rostov, V. V.; Tarakanov, V. P.

IEEE International Conference on Plasma Science. IEEE, 1994. p. 197-198.

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

Pegel, IV, Moreland, LD, Roitman, AM, Schamiloglu, E, Gubanov, VP, Gunin, AV, Korovin, SD, Rostov, VV & Tarakanov, VP 1994, Numerical simulation and experimental measurement of pulse generation in coaxial forming lines. in IEEE International Conference on Plasma Science. IEEE, pp. 197-198, Proceedings of the IEEE International Conference on Plasma Science, Santa Fe, NM, USA, 6.6.94.

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title = "Numerical simulation and experimental measurement of pulse generation in coaxial forming lines",

abstract = "In the SINUS family of pulsed, high current electron beam accelerators [1], the energy stored within a coaxial forming line (usually oil-insulated) is delivered to a load by means of a high voltage pressurized spark gap switch. For better matching to the load, a transmission line having a nonuniform wave impedance may be included between the switch and the load. Numerical simulation of the system described above has been performed with the use of 2.5D version of 2.5 & 3D, fully electromagnetic PIC-code KARAT [2]. Geometrical parameters of several SINUS accelerators were used. Actual spatial configurations of the gas switch were considered, but the time dependent spark resistance between the electrodes was included as a variable. The obtained results are compared with actual pulse shapes from experiments. Conclusions are drawn about how the spark resistance as the function of time effects the pulse observed.",

author = "Pegel, {I. V.} and Moreland, {L. D.} and Roitman, {A. M.} and E. Schamiloglu and Gubanov, {V. P.} and Gunin, {A. V.} and Korovin, {S. D.} and Rostov, {V. V.} and Tarakanov, {V. P.}",

year = "1994",

language = "English",

pages = "197--198",

booktitle = "IEEE International Conference on Plasma Science",

publisher = "IEEE",

note = "Proceedings of the IEEE International Conference on Plasma Science ; Conference date: 06-06-1994 Through 08-06-1994",

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AU - Pegel, I. V.

AU - Moreland, L. D.

AU - Roitman, A. M.

AU - Schamiloglu, E.

AU - Gubanov, V. P.

AU - Gunin, A. V.

AU - Korovin, S. D.

AU - Rostov, V. V.

AU - Tarakanov, V. P.

PY - 1994

Y1 - 1994

N2 - In the SINUS family of pulsed, high current electron beam accelerators [1], the energy stored within a coaxial forming line (usually oil-insulated) is delivered to a load by means of a high voltage pressurized spark gap switch. For better matching to the load, a transmission line having a nonuniform wave impedance may be included between the switch and the load. Numerical simulation of the system described above has been performed with the use of 2.5D version of 2.5 & 3D, fully electromagnetic PIC-code KARAT [2]. Geometrical parameters of several SINUS accelerators were used. Actual spatial configurations of the gas switch were considered, but the time dependent spark resistance between the electrodes was included as a variable. The obtained results are compared with actual pulse shapes from experiments. Conclusions are drawn about how the spark resistance as the function of time effects the pulse observed.

AB - In the SINUS family of pulsed, high current electron beam accelerators [1], the energy stored within a coaxial forming line (usually oil-insulated) is delivered to a load by means of a high voltage pressurized spark gap switch. For better matching to the load, a transmission line having a nonuniform wave impedance may be included between the switch and the load. Numerical simulation of the system described above has been performed with the use of 2.5D version of 2.5 & 3D, fully electromagnetic PIC-code KARAT [2]. Geometrical parameters of several SINUS accelerators were used. Actual spatial configurations of the gas switch were considered, but the time dependent spark resistance between the electrodes was included as a variable. The obtained results are compared with actual pulse shapes from experiments. Conclusions are drawn about how the spark resistance as the function of time effects the pulse observed.

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