Search Results - "Jarboe, T."

Demonstration of Tokamak ohmic flux saving by transient coaxial helicity injection in the national spherical torus experiment by Raman, R, Mueller, D, Nelson, B A, Jarboe, T R, Gerhardt, S, Kugel, H W, Leblanc, B, Maingi, R, Menard, J, Ono, M, Paul, S, Roquemore, L, Sabbagh, S, Soukhanovskii, V

“…Transient coaxial helicity injection (CHI) started discharges in the National Spherical Torus Experiment (NSTX) have attained peak currents up to 300 kA and…”
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Design Details of the Transient CHI Plasma Start-up System on NSTX-U by Raman, Roger, Jarboe, T. R., Nelson, B. A., Mueller, D., Jardin, S. C., Neumeyer, C., Ono, M., Menard, J. E.

“…Elimination of the central solenoid would simplify the engineering design of a fusion nuclear science facility and tokamak based devices. The method of…”
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Evidence for separatrix formation and sustainment with steady inductive helicity injection by Victor, B S, Jarboe, T R, Hossack, A C, Ennis, D A, Nelson, B A, Smith, R J, Akcay, C, Hansen, C J, Marklin, G J, Hicks, N K, Wrobel, J S

“…The first sustainment of toroidal plasma current of 50 kA at up to 3 times the injected currents, added in quadrature, using steady inductive helicity…”
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Efficient generation of closed magnetic flux surfaces in a large spherical tokamak using coaxial helicity injection by Raman, R, Nelson, B A, Bell, M G, Jarboe, T R, Mueller, D, Bigelow, T, Leblanc, B, Maqueda, R, Menard, J, Ono, M, Wilson, R

“…A method of coaxial helicity injection has successfully produced a closed flux current without the use of the central solenoid in the NSTX device, on a size…”
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The dynomak: An advanced spheromak reactor concept with imposed-dynamo current drive and next-generation nuclear power technologies by Sutherland, D.A., Jarboe, T.R., Morgan, K.D., Pfaff, M., Lavine, E.S., Kamikawa, Y., Hughes, M., Andrist, P., Marklin, G., Nelson, B.A.

“…A high-β spheromak reactor concept has been formulated with an estimated overnight capital cost that is competitive with conventional power sources. This…”
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Reduction of low-Z impurities during plasma start-up by Raman, R., Jarboe, T.R., Mueller, D., Nelson, B.A., Bell, M.G., Kugel, H.W., LeBlanc, B., Roquemore, L., Soukhanovskii, V.

“…Reduction of low-Z impurities is essential during the plasma start-up in tokamaks. For plasma start-up using the method of Coaxial Helicity Injection (CHI) it…”
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Simplifying the ST and AT Concepts by Raman, R., Jarboe, T. R., Menard, J. E., Ono, M., Taylor, G., Nelson, B. A., Mueller, D., Brown, T.

“…As stated in a IEA Burning Plasma Workshop Review (Donné et al. in Fusion Sci Technol 49:79, 2006 ) “…there is not much flexibility in the fueling of ITER”…”
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Spheromak formation by steady inductive helicity injection by Jarboe, T R, Hamp, W T, Marklin, G J, Nelson, B A, O'neill, R G, Redd, A J, Sieck, P E, Smith, R J, Wrobel, J S

“…A spheromak is formed for the first time using a new steady state inductive helicity injection method. Using two inductive injectors with odd symmetry and…”
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Demonstration of plasma startup by coaxial helicity injection by Raman, R, Jarboe, T R, Nelson, B A, Izzo, V A, O'Neill, R G, Redd, A J, Smith, R J

“…The first successful results on the transfer of a coaxial helicity injection (CHI) produced discharge to inductive operation are reported. CHI-assisted plasma…”
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Demonstration of Plasma Start-up in HIT-II and NSTX Using Transient Coaxial Helicity Injection by Raman, R., Jarboe, T. R., Nelson, B. A., Mueller, D., Roquemore, L., Soukhanovskii, V.

“…The method of transient coaxial helicity injection (CHI) first developed on the innovative confinement concepts exploration device HIT-II at the University of…”
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Substituent effects on the UV-visible spectrum and excited electronic states of dithiocarboxylates by Newman, Abraham K, Henry, Ava M, Madriaga, Jose P, Sieffert, J Michael, Heinrich, Shannon E, Jarboe, Juliana T, Swift, Vincent M, Cheong, Alicia Y Y, Haynes, M Taylor, Zigler, David F

“…The absorption spectra of a series of dithiocarboxylates were investigated in the ultraviolet-visible region. Two questions that this study aimed to address…”
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Plasma Start-up in HIT-II and NSTX Using Transient Coaxial Helicity Injection by Raman, R., Jarboe, T. R., Nelson, B. A., Mueller, D., Bell, M. G., Ono, M.

“…The method of transient coaxial helicity injection (CHI) has previously been used in the HIT-II experiment at the University of Washington to produce 100 kA of…”
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Initial studies of steady inductive helicity injection on the HIT-SI experiment by Sieck, P.E., Hamp, W.T., Izzo, V.A., Jarboe, T.R., Nelson, B.A., O'Neill, R.G., Redd, A.J., Smith, R.J.

“…The helicity-injected torus (HIT-SI) is designed to produce a "bow tie" spheromak, formed and sustained by steady inductive helicity injection (SIHI) current…”
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Solenoid-free Plasma Start-up in NSTX using Transient CHI by Raman, R., Nelson, B. A., Mueller, D., Jarboe, T. R., Bell, M. G., LeBlanc, B., Maqueda, R., Menard, J., Ono, M., Nagata, M., Roquemore, L., Soukhanovskii, V.

“…Experiments in NSTX have now unambiguously demonstrated the coupling of toroidal plasmas produced by the technique of CHI to inductive sustainment and ramp-up…”
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An Engineer’s Approach to Fusion Energy by Hoffman, A. L., Jarboe, T. R., Shumlak, U., Santarius, J. F.

“…Magnetic fusion would be significantly more attractive, and could be developed quicker, and with less expense, if it was based on engineering considerations…”
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Solenoid-free plasma start-up in HIT-II and NSTX using transient CHI by RAMAN, R, JARBOE, T. R, NELSON, B. A, BELL, M. G, MUELLER, D

“…A new method of non-inductive startup, referred to as transient coaxial helicity injection (CHI), has been successfully developed on the HIT-II experiment. In…”
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Chair Summaries from the 2006 Innovative Confinement Concepts (ICC) Workshop by Craig, D., Goldston, R., Jarboe, T. R., Nelson, B. A., Sovinec, C. R., Woodruff, S., Wurden, G.

“…The goal of the ICC program within the DOE Office of Fusion Energy Sciences (OFES) is to improve magnetic and inertial fusion concepts and to advance plasma…”
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Hyperthermic Enhancement of Immunotherapy: Findings of In Vitro Modeling by Quaranto, D., Kopec, K., DeSouza, N., Jarboe, T., Camazza, M., Gagliardi, T., Conti, J., Geliebter, J., Tiwari, R., Hurwitz, M.D.

“…Despite advancement in understanding and manipulation of immune checkpoint molecules in immunotherapeutic design, limitations in treatment efficacy persist…”
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Status of the Plasma Science and Innovation Center Interfacing Group by Nelson, B. A., Kim, C. C., Wrobel, M. T., Cassidy, A. P., Griffith, S. D., Milroy, R. D., Jarboe, T. R.

“…The Interfacing Group of the Plasma Science and Innovation Center (PSI-Center— http://www.psicenter.org ), facilitates simulations of collaborating Innovative…”
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Internal Fields in Helicity Injected Torus with Steady Inductive Helicity Injection (HIT-SI) Discharges by Redd, A. J., Jarboe, T. R., AboulHosn, R. Z., Akcay, C., Hamp, W. T., Marklin, G. J., Nelson, B. A., O′Neill, R. G., Sieck, P. E., Smith, R. J., Stewart, B. T., Wrobel, J. S.

“…The Helicity Injected Torus with Steady Inductive Helicity Injection (HIT-SI) consists of an axisymmetric flux conserver and two half-torus magnetic helicity…”
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