Multiple discharge channels in a cascaded arc to produce large diameter plasma beams

W. A.J. Vijvers; B. de Groot; R. S. Al; M. A. van den Berg; H. J.N. van Eck; W. J. Goedheer; A. W. Kleyn; W. R. Koppers; O. G. Kruijt; N. J. Lopes Cardozo; H. J. van der Meiden; M. J. van de Pol; P. R. Prins; J. Rapp; D. C. Schram; A. E. Shumack; P. H.M. Smeets; J. Westerhout; G. M. Wright; G. J. van Rooij

doi:10.1016/j.fusengdes.2008.12.102

Multiple discharge channels in a cascaded arc to produce large diameter plasma beams

W. A.J. Vijvers, B. de Groot, R. S. Al, M. A. van den Berg, H. J.N. van Eck, W. J. Goedheer, A. W. Kleyn, W. R. Koppers, O. G. Kruijt, N. J. Lopes Cardozo, H. J. van der Meiden, M. J. van de Pol, P. R. Prins, J. Rapp, D. C. Schram, A. E. Shumack, P. H.M. Smeets, J. Westerhout, G. M. Wright, G. J. van Rooij

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Abstract

A new cascaded arc containing three separate discharge channels at 15 mm distance from each other was constructed to produce intense and wide hydrogen plasma beams and first tests were carried out at Pilot-PSI. Current and voltage measurements as well as calorimetry on the cooling water of the source demonstrated that these channels operated independently. Thomson scattering measurements showed that, depending on the nozzle geometry, the three outputs merge to one beam if the source is operated at argon in magnetic fields up to 1.6 T densities. In hydrogen operation, the individual outputs did not merge or interact. Also a first test was performed in argon on the use of a remote ring anode to induce beam mixing due to rotation driven by cross-B currents.

Original language	English
Pages (from-to)	1933-1936
Number of pages	4
Journal	Fusion Engineering and Design
Volume	84
Issue number	7-11
DOIs	https://doi.org/10.1016/j.fusengdes.2008.12.102
State	Published - Jun 2009
Externally published	Yes

Keywords

Argon
Cascaded arc
Hydrogen
Linear plasma generator
Plasma source
Plasma-surface interactions

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10.1016/j.fusengdes.2008.12.102

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Vijvers, W. A. J., de Groot, B., Al, R. S., van den Berg, M. A., van Eck, H. J. N., Goedheer, W. J., Kleyn, A. W., Koppers, W. R., Kruijt, O. G., Lopes Cardozo, N. J., van der Meiden, H. J., van de Pol, M. J., Prins, P. R., Rapp, J., Schram, D. C., Shumack, A. E., Smeets, P. H. M., Westerhout, J., Wright, G. M., & van Rooij, G. J. (2009). Multiple discharge channels in a cascaded arc to produce large diameter plasma beams. Fusion Engineering and Design, 84(7-11), 1933-1936. https://doi.org/10.1016/j.fusengdes.2008.12.102

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title = "Multiple discharge channels in a cascaded arc to produce large diameter plasma beams",

abstract = "A new cascaded arc containing three separate discharge channels at 15 mm distance from each other was constructed to produce intense and wide hydrogen plasma beams and first tests were carried out at Pilot-PSI. Current and voltage measurements as well as calorimetry on the cooling water of the source demonstrated that these channels operated independently. Thomson scattering measurements showed that, depending on the nozzle geometry, the three outputs merge to one beam if the source is operated at argon in magnetic fields up to 1.6 T densities. In hydrogen operation, the individual outputs did not merge or interact. Also a first test was performed in argon on the use of a remote ring anode to induce beam mixing due to rotation driven by cross-B currents.",

keywords = "Argon, Cascaded arc, Hydrogen, Linear plasma generator, Plasma source, Plasma-surface interactions",

author = "Vijvers, {W. A.J.} and {de Groot}, B. and Al, {R. S.} and {van den Berg}, {M. A.} and {van Eck}, {H. J.N.} and Goedheer, {W. J.} and Kleyn, {A. W.} and Koppers, {W. R.} and Kruijt, {O. G.} and {Lopes Cardozo}, {N. J.} and {van der Meiden}, {H. J.} and {van de Pol}, {M. J.} and Prins, {P. R.} and J. Rapp and Schram, {D. C.} and Shumack, {A. E.} and Smeets, {P. H.M.} and J. Westerhout and Wright, {G. M.} and {van Rooij}, {G. J.}",

year = "2009",

month = jun,

doi = "10.1016/j.fusengdes.2008.12.102",

language = "English",

volume = "84",

pages = "1933--1936",

journal = "Fusion Engineering and Design",

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Vijvers, WAJ, de Groot, B, Al, RS, van den Berg, MA, van Eck, HJN, Goedheer, WJ, Kleyn, AW, Koppers, WR, Kruijt, OG, Lopes Cardozo, NJ, van der Meiden, HJ, van de Pol, MJ, Prins, PR, Rapp, J, Schram, DC, Shumack, AE, Smeets, PHM, Westerhout, J, Wright, GM & van Rooij, GJ 2009, 'Multiple discharge channels in a cascaded arc to produce large diameter plasma beams', Fusion Engineering and Design, vol. 84, no. 7-11, pp. 1933-1936. https://doi.org/10.1016/j.fusengdes.2008.12.102

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AU - Vijvers, W. A.J.

AU - de Groot, B.

AU - Al, R. S.

AU - van den Berg, M. A.

AU - van Eck, H. J.N.

AU - Goedheer, W. J.

AU - Kleyn, A. W.

AU - Koppers, W. R.

AU - Kruijt, O. G.

AU - Lopes Cardozo, N. J.

AU - van der Meiden, H. J.

AU - van de Pol, M. J.

AU - Prins, P. R.

AU - Rapp, J.

AU - Schram, D. C.

AU - Shumack, A. E.

AU - Smeets, P. H.M.

AU - Westerhout, J.

AU - Wright, G. M.

AU - van Rooij, G. J.

PY - 2009/6

Y1 - 2009/6

N2 - A new cascaded arc containing three separate discharge channels at 15 mm distance from each other was constructed to produce intense and wide hydrogen plasma beams and first tests were carried out at Pilot-PSI. Current and voltage measurements as well as calorimetry on the cooling water of the source demonstrated that these channels operated independently. Thomson scattering measurements showed that, depending on the nozzle geometry, the three outputs merge to one beam if the source is operated at argon in magnetic fields up to 1.6 T densities. In hydrogen operation, the individual outputs did not merge or interact. Also a first test was performed in argon on the use of a remote ring anode to induce beam mixing due to rotation driven by cross-B currents.

AB - A new cascaded arc containing three separate discharge channels at 15 mm distance from each other was constructed to produce intense and wide hydrogen plasma beams and first tests were carried out at Pilot-PSI. Current and voltage measurements as well as calorimetry on the cooling water of the source demonstrated that these channels operated independently. Thomson scattering measurements showed that, depending on the nozzle geometry, the three outputs merge to one beam if the source is operated at argon in magnetic fields up to 1.6 T densities. In hydrogen operation, the individual outputs did not merge or interact. Also a first test was performed in argon on the use of a remote ring anode to induce beam mixing due to rotation driven by cross-B currents.

KW - Argon

KW - Cascaded arc

KW - Hydrogen

KW - Linear plasma generator

KW - Plasma source

KW - Plasma-surface interactions

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M3 - Article

AN - SCOPUS:67349167394

SN - 0920-3796

VL - 84

SP - 1933

EP - 1936

JO - Fusion Engineering and Design

JF - Fusion Engineering and Design

IS - 7-11

ER -

Multiple discharge channels in a cascaded arc to produce large diameter plasma beams

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Keywords

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