Search Results - "Petty, C.C."

The physics basis to integrate an MHD stable, high-power hybrid scenario to a cool divertor for steady-state reactor operation by Turco, F., Petrie, T., Osborne, T., Petty, C.C., Luce, T.C., Grierson, B., Odstrcil, T., Van Zeeland, M.A., Liu, D., Casali, L., Boyes, W., Smith, S.P., Shen, H., Kostuk, M., Brennan, D.

“…Abstract Coupling a high-performance core to a low heat flux divertor is a crucial step for ITER and a Fusion Pilot Plant or DEMO. Experiments in DIII-D…”
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Broadening of microwave heating beams in the DIII-D tokamak by edge turbulence by Brookman, M.W., Holland, L.A., Thomas, M.B., Austin, M.E., Barada, K., Gentle, K.W., La Haye, R.J., Leddy, J.B., Petty, C.C., Rhodes, T.L., Yan, Z., Vann, R.G.L., Köhn-Seemann, A.

“…Abstract We have demonstrated for the first time that turbulent plasma density fluctuations in the edge of the DIII-D tokamak are responsible for substantial…”
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Tests of advanced RF off-axis current drive techniques on DIII-D by Pinsker, R.I., Chen, X., Lohr, J.M., Moeller, C.P., Porkolab, M., Brookman, M.W., Petty, C.C., Wukitch, S.J., Wallace, G.M., Buttery, R.J.

“…The establishment of reactor-relevant radiofrequency heating and current drive techniques is a focus of work on DIII-D in the next five-year period. This paper…”
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Application of ECH to the Study of Transport in ITER Baseline Scenario-like Discharges in DIII-D by Pinsker, R.I., Austin, M.E., Ernst, D.R., Garofalo, A.M., Grierson, B.A., Hosea, J.C., Luce, T.C., Marinoni, A., McKee, G.R., Perkins, R.J., Petty, C.C., Porkolab, M., Rost, J.C., Schmitz, L., Solomon, W.M., Taylor, G., Turco, F.

“…Recent DIII-D experiments in the ITER Baseline Scenario (IBS) have shown strong increases in fluctuations and correlated reduction of confinement associated…”
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Applications of ECH on the DIII-D tokamak and projections for future ECH upgrades by Prater, R., Buttery, R.J., DeBoo, J., Ferron, J.R., Garofalo, A., Holcomb, C.T., Jackson, G.L., La Haye, R.J., Lohr, J.M., Luce, T.C., Petty, C.C., Politzer, P.A., Solomon, W.M., Turco, F.

“…Electron Cyclotron Heating and Current Drive plays an important role in the DIII-D program. In high performance discharges EC power contributes greatly to MHD…”
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First high-power helicon results from DIII-D by Pinsker, R.I., Van Compernolle, B., Tang, S.X., Lestz, J.B., Moeller, C.P., Petty, C.C., Dupuy, A., Squire, J.P., Garofalo, A.M., Porkolab, M., Rost, J.C., Baek, S.G., Nagy, A., Chowdhury, S., Crocker, N.A., Degrandchamp, G.H., McLean, A.G., Gage, K.R., Marinoni, A., Martin, E.H., Ronchi, G.

“…Abstract More than 0.6 MW of rf power at 476 MHz has been coupled to DIII-D plasmas by launching helicon (whistler) waves with a traveling-wave antenna…”
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Expression and immunogenicity of an Escherichia coli K99 fimbriae subunit antigen in soybean by Piller, K.J, Clemente, T.E, Jun, S.M, Petty, C.C, Sato, S, Pascual, D.W, Bost, K.L

“…Enterotoxigenic Escherichia coli (ETEC) cause acute diarrhea in humans and farm animals, and can be fatal if the host is left untreated. As a potential…”
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Toroidally resolved structure of divertor heat flux in RMP H-mode discharges on DIII-D by Jakubowski, M.W., Evans, T.E., Fenstermacher, M.E., Lasnier, C.J., Wolf, R.C., Baylor, L.R., Boedo, J.A., Burrell, K.H., deGrassie, J.S., Gohil, P., Mordijck, S., Laengner, R., Leonard, A.W., Moyer, R.A., Petrie, T.W., Petty, C.C., Pinsker, R.I., Rhodes, T.L., Schaffer, M.J., Schmitz, O., Snyder, P.B., Stoschus, H., Osborne, T.H., Orlov, D.M., Unterberg, E.A., Watkins, J.G.

“…As shown on DIII-D edge localized modes (ELMs) can be either completely eliminated or mitigated with resonant magnetic perturbation (RMP) fields. Two infrared…”
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Dependence of Heat and Particle Transport on the Ratio of the Ion and Electron Temperatures by Petty, C. C., Wade, M. R., Kinsey, J. E., Groebner, R. J., Luce, T. C., Staebler, G. M.

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Higher Fusion Power Gain with Current and Pressure Profile Control in Strongly Shaped DIII-D Tokamak Plasmas by Lazarus, EA, Navratil, GA, Greenfield, CM, Strait, EJ, Austin, ME, Burrell, KH, Casper, TA, Baker, DR, DeBoo, JC, Doyle, EJ, Durst, R, Ferron, JR, Forest, CB, Gohil, P, Groebner, RJ, Heidbrink, WW, Hong, R, Houlberg, WA, Howald, AW, Hsieh, C, Hyatt, AW, Jackson, GL, Kim, J, Lao, LL, Lasnier, CJ, Leonard, AW, Lohr, J, La Haye RJ, Maingi, R, Miller, RL, Murakami, M, Osborne, TH, Perkins, LJ, Petty, CC, Rettig, CL, Rhodes, TL, Rice, BW, Sabbagh, SA, Schissel, DP, Scoville, JT, Snider, RT, Staebler, GM, Stallard, BW, Stambaugh, RD, St John HE, Stockdale, RE, Taylor, PL, Thomas, DM, Turnbull, AD, Wade, MR, Wood, R, Whyte, D

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Inward energy transport in tokamak plasmas by LUCE, T. C, PETTY, C. C, DE HAAS, J. C. M

“…Peaked electron temperature profiles are observed in the DIII-D tokamak during electron cyclotron heating despite the fact that {gt}75% of the input power is…”
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Gyroradius scaling of electron and ion transport by Petty, CC, Luce, TC, Pinsker, RI, Burrell, KH, Chiu, SC, Gohil, P, James, RA, Wròblewski, D

“…The scaling of heat diffusion with relative gyroradius [rho][sub *] is measured on the DIII-D tokamak using dimensionally similar discharges. For the first…”
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Progress towards high-performance steady-state operation on DIII-D by Greenfield, C.M., Murakami, M., Garofalo, A.M., Doyle, E.J., Ferron, J.R., Wade, M.R., Austin, M.E., Allen, S.L., Burrell, K.H., Casper, T.A., DeBoo, J.C., Gohil, P., Gorelov, I.A., Groebner, R.J., Heidbrink, W.W., Hyatt, A.W., Jackson, G.L., Jayakumar, R.J., Kajiwara, K., Kessel, C.E., Kinsey, J.E., Kim, J.Y., La Haye, R.J., Lao, L.L., Lohr, J., Luce, T.C., Luo, Y., Makowski, M.A., Mazon, D., McKee, G.R., Okabayashi, M., Osborne, T.H., Petty, C.C., Petrie, T.W., Pinsker, R.I., Prater, R., Politzer, P.A., Reimerdes, H., Rhodes, T.L., Sips, A.C.C., Scoville, J.T., Solomon, W.M., Staebler, G.M., St. John, H.E., Strait, E.J., Taylor, T.S., Turnbull, A.D., Van Zeeland, M.A., Wang, G., West, W.P., Zeng, L.

“…Advanced Tokamak research in DIII-D seeks to develop a scientific basis for steady-state high-performance tokamak operation. Fully noninductive ( f NI ≈ 100%)…”
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Energy Transport in Tokamak Plasmas with Central Current Density Control Using Fast Waves by Forest, CB, Petty, CC, Austin, ME, Baity, FW, Burrell, KH, Chiu, SC, Chu, MS, deGrassie, JS, Gohil, P, Hyatt, AW, Ikezi, H, Lazarus, EA, Murakami, M, Pinsker, RI, Porkolab, M, Prater, R, Rice, BW, Staebler, GM, Strait, EJ, Taylor, TS, Whyte, DG

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Internal Electric Field Structure of Launched Fast Magnetosonic Waves in the DIII-D Tokamak by Lee, J. H., Peebles, W. A., Jaeger, E. F., Doyle, E. J., Luhmann, N. C., Petty, C. C., Pinsker, R. I., Prater, R., Rhodes, T. L.

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Determination of the electron cyclotron current drive profile by Luce, T.C., Petty, C.C., Schuster, D.I., Makowski, M.A.

“…Evaluation of the profile of non-inductive current density driven by absorption of electron cyclotron waves (ECCD) using time evolution of the poloidal flux…”
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Absorption of fast waves by electrons on the DIII-D tokamak by PETTY, C. C, PINSKER, R. I, LUCE, T. C, PRATER, R, MAYBERRY, M. J, PORKOLAB, M, BAITY, F. W, BONOLI, P. T, CHIU, S. C, DE HAAS, J. C. M, GOULDING, R. H, HOFFMAN, D. J

“…Efficient direct heating of electrons by fast waves has been observed on the DIII-D tokamak. The measured fast-wave heating efficiency was independent of…”
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ICH RF system data acquisition and real time control using a microcomputer system by Cary, W.P., Allen, J.A., Pinsker, R.I., Petty, C.C.

“…On the basis of the rapidly increasing power, speed, and decreasing cost of the personal computer (microcomputer) it was felt that a real time data acquisition…”
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Experimental test of a two-port decoupler in the DIII-D fast wave current drive system by Pinsker, R.I., Petty, C.C., Cary, W.P., Baity, F.W., Goulding, R.H.

“…The DIII-D fast wave current drive (FWCD) system employs a pair of resonant loops of transmission line to reduce the four element phased antenna array to a…”
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System for tunerless operation of a four-element phased array antenna for fast wave current drive by Pinsker, R.I., Baity, F.W., Cary, W.P., Petty, C.C., Callis, R.W., DeGrassie, J.S., Martin, W.C.

“…A simple transmission line configuration for powering a four-element phased antenna array is described. This system, called the balanced feed configuration…”
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