Special topic: Summary of ELMO bumpy torus (EBT-S) experiments from 1982 to 1984

S. Hiroe; R. J. Colchin; G. R. Haste; F. W. Baity; D. D. Bates; L. A. Berry; T. S. Bigelow; R. D. Burris; J. A. Cobble; W. A. Davis; R. D. Donaldson; J. C. Glowienka; D. L. Hillis; H. D. Kimrey; R. L. Livesey; J. B. Mankin; M. W. Mc Guffin; D. R. Overbey; B. G. Peterson; D. A. Rasmussen; R. K. Richards; C. R. Schaich; G. R. Sullivan; D. W. Swain; T. Uckan; T. L. White; J. B. Wilgen; R. E. Wintenberg; K. G. Young; K. A. Connor; J. R. Goyer; R. L. Hickok; L. Solensten; F. M. Bieniosek; R. E. Juhala; T. L. Owens; D. A. Boyd; R. Mahon; V. E. Yun

doi:10.1088/0029-5515/28/12/014

Special topic: Summary of ELMO bumpy torus (EBT-S) experiments from 1982 to 1984

S. Hiroe, R. J. Colchin, G. R. Haste, F. W. Baity, D. D. Bates, L. A. Berry, T. S. Bigelow, R. D. Burris, J. A. Cobble, W. A. Davis, R. D. Donaldson, J. C. Glowienka, D. L. Hillis, H. D. Kimrey, R. L. Livesey, J. B. Mankin, M. W. Mc Guffin, D. R. Overbey, B. G. Peterson, D. A. RasmussenR. K. Richards, C. R. Schaich, G. R. Sullivan, D. W. Swain, T. Uckan, T. L. White, J. B. Wilgen, R. E. Wintenberg, K. G. Young, K. A. Connor, J. R. Goyer, R. L. Hickok, L. Solensten, F. M. Bieniosek, R. E. Juhala, T. L. Owens, D. A. Boyd, R. Mahon, V. E. Yun

Fusion Technology

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Abstract

Experiments were conducted in the ELMO Bumpy Torus (EBT) from 1973 until 1984. A number of papers have been published concerning various aspects of experiments during the final two years of operation. The paper summarizes the final experimental conclusions and discusses those issues which remain unresolved. The main conclusions are as follows: (1) measurements of the width of the hot electron rings showed them to be wider than previously suspected, diluting their diamagnetism and negating their ability to locally reverse the magnetic field gradient; (2) two-dimensional plots of the plasma potential revealed open potential contours in the C-mode and closed potential contours near the plasma centre in the T-mode; (3) an in–out asymmetry in the plasma potential was always observed, giving rise to electric fields which drove convective plasma loss.

Original language	English
Pages (from-to)	2249-2263
Number of pages	15
Journal	Nuclear Fusion
Volume	28
Issue number	12
DOIs	https://doi.org/10.1088/0029-5515/28/12/014
State	Published - Dec 1988

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Hiroe, S., Colchin, R. J., Haste, G. R., Baity, F. W., Bates, D. D., Berry, L. A., Bigelow, T. S., Burris, R. D., Cobble, J. A., Davis, W. A., Donaldson, R. D., Glowienka, J. C., Hillis, D. L., Kimrey, H. D., Livesey, R. L., Mankin, J. B., Mc Guffin, M. W., Overbey, D. R., Peterson, B. G., ... Yun, V. E. (1988). Special topic: Summary of ELMO bumpy torus (EBT-S) experiments from 1982 to 1984. Nuclear Fusion, 28(12), 2249-2263. https://doi.org/10.1088/0029-5515/28/12/014

@article{583b5a3b5f434caba6e97a68a90dd9f0,

title = "Special topic: Summary of ELMO bumpy torus (EBT-S) experiments from 1982 to 1984",

abstract = "Experiments were conducted in the ELMO Bumpy Torus (EBT) from 1973 until 1984. A number of papers have been published concerning various aspects of experiments during the final two years of operation. The paper summarizes the final experimental conclusions and discusses those issues which remain unresolved. The main conclusions are as follows: (1) measurements of the width of the hot electron rings showed them to be wider than previously suspected, diluting their diamagnetism and negating their ability to locally reverse the magnetic field gradient; (2) two-dimensional plots of the plasma potential revealed open potential contours in the C-mode and closed potential contours near the plasma centre in the T-mode; (3) an in–out asymmetry in the plasma potential was always observed, giving rise to electric fields which drove convective plasma loss.",

author = "S. Hiroe and Colchin, {R. J.} and Haste, {G. R.} and Baity, {F. W.} and Bates, {D. D.} and Berry, {L. A.} and Bigelow, {T. S.} and Burris, {R. D.} and Cobble, {J. A.} and Davis, {W. A.} and Donaldson, {R. D.} and Glowienka, {J. C.} and Hillis, {D. L.} and Kimrey, {H. D.} and Livesey, {R. L.} and Mankin, {J. B.} and {Mc Guffin}, {M. W.} and Overbey, {D. R.} and Peterson, {B. G.} and Rasmussen, {D. A.} and Richards, {R. K.} and Schaich, {C. R.} and Sullivan, {G. R.} and Swain, {D. W.} and T. Uckan and White, {T. L.} and Wilgen, {J. B.} and Wintenberg, {R. E.} and Young, {K. G.} and Connor, {K. A.} and Goyer, {J. R.} and Hickok, {R. L.} and L. Solensten and Bieniosek, {F. M.} and Juhala, {R. E.} and Owens, {T. L.} and Boyd, {D. A.} and R. Mahon and Yun, {V. E.}",

year = "1988",

month = dec,

doi = "10.1088/0029-5515/28/12/014",

language = "English",

volume = "28",

pages = "2249--2263",

journal = "Nuclear Fusion",

issn = "0029-5515",

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Hiroe, S, Colchin, RJ, Haste, GR, Baity, FW, Bates, DD, Berry, LA, Bigelow, TS, Burris, RD, Cobble, JA, Davis, WA, Donaldson, RD, Glowienka, JC, Hillis, DL, Kimrey, HD, Livesey, RL, Mankin, JB, Mc Guffin, MW, Overbey, DR, Peterson, BG, Rasmussen, DA, Richards, RK, Schaich, CR, Sullivan, GR, Swain, DW, Uckan, T, White, TL, Wilgen, JB, Wintenberg, RE, Young, KG, Connor, KA, Goyer, JR, Hickok, RL, Solensten, L, Bieniosek, FM, Juhala, RE, Owens, TL, Boyd, DA, Mahon, R & Yun, VE 1988, 'Special topic: Summary of ELMO bumpy torus (EBT-S) experiments from 1982 to 1984', Nuclear Fusion, vol. 28, no. 12, pp. 2249-2263. https://doi.org/10.1088/0029-5515/28/12/014

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AU - Hiroe, S.

AU - Colchin, R. J.

AU - Haste, G. R.

AU - Baity, F. W.

AU - Bates, D. D.

AU - Berry, L. A.

AU - Bigelow, T. S.

AU - Burris, R. D.

AU - Cobble, J. A.

AU - Davis, W. A.

AU - Donaldson, R. D.

AU - Glowienka, J. C.

AU - Hillis, D. L.

AU - Kimrey, H. D.

AU - Livesey, R. L.

AU - Mankin, J. B.

AU - Mc Guffin, M. W.

AU - Overbey, D. R.

AU - Peterson, B. G.

AU - Rasmussen, D. A.

AU - Richards, R. K.

AU - Schaich, C. R.

AU - Sullivan, G. R.

AU - Swain, D. W.

AU - Uckan, T.

AU - White, T. L.

AU - Wilgen, J. B.

AU - Wintenberg, R. E.

AU - Young, K. G.

AU - Connor, K. A.

AU - Goyer, J. R.

AU - Hickok, R. L.

AU - Solensten, L.

AU - Bieniosek, F. M.

AU - Juhala, R. E.

AU - Owens, T. L.

AU - Boyd, D. A.

AU - Mahon, R.

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AB - Experiments were conducted in the ELMO Bumpy Torus (EBT) from 1973 until 1984. A number of papers have been published concerning various aspects of experiments during the final two years of operation. The paper summarizes the final experimental conclusions and discusses those issues which remain unresolved. The main conclusions are as follows: (1) measurements of the width of the hot electron rings showed them to be wider than previously suspected, diluting their diamagnetism and negating their ability to locally reverse the magnetic field gradient; (2) two-dimensional plots of the plasma potential revealed open potential contours in the C-mode and closed potential contours near the plasma centre in the T-mode; (3) an in–out asymmetry in the plasma potential was always observed, giving rise to electric fields which drove convective plasma loss.

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JO - Nuclear Fusion

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ER -

Special topic: Summary of ELMO bumpy torus (EBT-S) experiments from 1982 to 1984

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