Search Results - "MARMAR, E. S"

Effects of magnetic shear on toroidal rotation in tokamak plasmas with lower hybrid current drive by Rice, J E, Podpaly, Y A, Reinke, M L, Mumgaard, R, Scott, S D, Shiraiwa, S, Wallace, G M, Chouli, B, Fenzi-Bonizec, C, Nave, M F F, Diamond, P H, Gao, C, Granetz, R S, Hughes, J W, Parker, R R, Bonoli, P T, Delgado-Aparicio, L, Eriksson, L-G, Giroud, C, Greenwald, M J, Hubbard, A E, Hutchinson, I H, Irby, J H, Kirov, K, Mailloux, J, Marmar, E S, Wolfe, S M

“…Application of lower hybrid (LH) current drive in tokamak plasmas can induce both co- and countercurrent directed changes in toroidal rotation, depending on…”
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Influence of boronization on operation with high-Z plasma facing components in Alcator C-Mod by Lipschultz, B., Lin, Y., Marmar, E.S., Whyte, D.G., Wukitch, S., Hutchinson, I.H., Irby, J., LaBombard, B., Reinke, M.L., Terry, J.L., Wright, G.

“…We report the results of operation of Alcator C-Mod with all high-Z molybdenum plasma facing component (PFC) surfaces. Without boron-coated PFCs energy…”
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Observation of anomalous momentum transport in tokamak plasmas with no momentum input by Lee, W D, Rice, J E, Marmar, E S, Greenwald, M J, Hutchinson, I H, Snipes, J A

“…Anomalous momentum transport has been observed in Alcator C-Mod tokamak plasmas through analysis of the time evolution of core impurity toroidal rotation…”
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Rotation reversal bifurcation and energy confinement saturation in tokamak Ohmic L-mode plasmas by Rice, J E, Cziegler, I, Diamond, P H, Duval, B P, Podpaly, Y A, Reinke, M L, Ennever, P C, Greenwald, M J, Hughes, J W, Ma, Y, Marmar, E S, Porkolab, M, Tsujii, N, Wolfe, S M

“…Direction reversals of intrinsic toroidal rotation have been observed in diverted Alcator C-Mod Ohmic L-mode plasmas following electron density ramps. For low…”
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Edge temperature gradient as intrinsic rotation drive in Alcator C-Mod tokamak plasmas by Rice, J E, Hughes, J W, Diamond, P H, Kosuga, Y, Podpaly, Y A, Reinke, M L, Greenwald, M J, Gürcan, Ö D, Hahm, T S, Hubbard, A E, Marmar, E S, McDevitt, C J, Whyte, D G

“…Intrinsic rotation has been observed in I-mode plasmas from the C-Mod tokamak, and is found to be similar to that in H mode, both in its edge origin and in the…”
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Modeling of Particle Transport, Neutrals and Radiation in Magnetically-Confined Plasmas with Aurora by Sciortino, F, Odstrčil, T, Cavallaro, A, Smith, S, Meneghini, O, Reksoatmodjo, R, Linder, O, Lore, J. D, Howard, N. T, Marmar, E. S, Mordijck, S

“…We present Aurora, an open-source package for particle transport, neutrals and radiation modeling in magnetic confinement fusion plasmas. Aurora's modern…”
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Experimental Inference of Neutral and Impurity Transport in Alcator C-Mod Using High-Resolution X-Ray and Ultra-Violet Spectra by Sciortino, F, Howard, N. T, Reksoatmodjo, R, Foster, A. R, Hughes, J. W, Marmar, E. S, Miller, M. A, Mordijck, S, Odstrcčil, T, Pütterich, T, Reinke, M. L, Rice, J. E, Rodriguez-Fernandez, P

“…We present experimental inferences of cross-field impurity transport coefficients for Alcator C-Mod plasmas using a novel forward model for the entire Ca…”
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Scenario adaptive disruption prediction study for next generation burning-plasma tokamaks by Zhu, J, Rea, C, Granetz, R. S, Marmar, E. S, Montes, K. J, Sweeney, R, Tinguely, R. A, Chen, D. L, Shen, B, Xiao, B. J, Humphreys, D, Barr, J, Meneghini, O

“…Next generation high performance (HP) tokamaks risk damage from unmitigated disruptions at high current and power. Achieving reliable disruption prediction for…”
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Estimating cross-field particle transport at the outer midplane of TCV by tracking filaments with machine learning by Han, W., Offeddu, N., Golfinopoulos, T., Theiler, C., Terry, J. L., Wüthrich, C., Galassi, D., Colandrea, C., Marmar, E. S.

“…Cross-field transport of particles in the boundary region of magnetically confined fusion plasmas is dominated by turbulence. Blobs, intermittent turbulent…”
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Estimating cross-field particle transport at the outer midplane of TCV by tracking filaments with machine learning by Han, W., Offeddu, N., Golfinopoulos, T., Theiler, C., Terry, J. L., Wüthrich, C., Galassi, D., Colandrea, C., Marmar, E. S.

“…Abstract Cross-field transport of particles in the boundary region of magnetically confined fusion plasmas is dominated by turbulence. Blobs, intermittent…”
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Integrated deep learning framework for unstable event identification and disruption prediction of tokamak plasmas by Zhu, J. X., Rea, C., Granetz, R. S., Marmar, E. S., Sweeney, R., Montes, K., Tinguely, R. A.

“…Abstract The ability to identify underlying disruption precursors is key to disruption avoidance. In this paper, we present an integrated deep learning (DL)…”
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Visible imaging of turbulence in the SOL of the Alcator C-Mod tokamak by Terry, J.L., Maqueda, R., Pitcher, C.S., Zweben, S.J., LaBombard, B., Marmar, E.S., Pigarov, A.Yu, Wurden, G.

“…Measurements of fluctuations in the scrape-off layer (SOL) of Alcator C-Mod plasmas were made using visible emission from the plasma edge. Line emissions from…”
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Observation of charge-transfer population of high-n levels in Ar+16 from neutral hydrogen in the ground and excited states in a tokamak plasma by RICE, J. E, MARMAR, E. S, TERRY, J. L, KALLNE, E, KALLNE, J

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High Resolution X-Ray Spectroscopy Diagnostics of High Temperature Plasmas by Källne, E, Källne, J, Marmar, E S, Rice, J E

“…This paper presents advances in the use of high resolution X-ray spectroscopy for the measurements of tokamak plasmas and the study of atomic processes. The…”
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Inference of Experimental Radial Impurity Transport on Alcator C-Mod: Bayesian Parameter Estimation and Model Selection by Sciortino, F, Howard, N. T, Marmar, E. S, Odstrcil, T, Cao, N. M, Dux, R, Hubbard, A. E, Hughes, J. W, Irby, J. H, Marzouk, Y, Milanese, L. M, Reinke, M. L, Rice, J. E, Rodriguez-Fernandez, P

“…We present a fully Bayesian approach for the inference of radial profiles of impurity transport coefficients and compare its results to neoclassical, gyrofluid…”
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Integrated deep learning framework for unstable event identification and disruption prediction of tokamak plasmas by Zhu, J.X., Rea, C., Granetz, R.S., Marmar, E.S., Sweeney, R., Montes, K., Tinguely, R.A.

“…The ability to identify underlying disruption precursors is key to disruption avoidance. In this paper, we present an integrated deep learning (DL) based model…”
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Estimating cross-field particle transport at the outer midplane of TCV by tracking filaments with machine learning by Han, W., Offeddu, N., Golfinopoulos, T., Theiler, C., Terry, J.L., Wüthrich, C., Galassi, D., Colandrea, C., Marmar, E.S.

“…Cross-field transport of particles in the boundary region of magnetically confined fusion plasmas is dominated by turbulence. Blobs, intermittent turbulent…”
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The Rydberg series of helium-like Cl, Ar and S and their high-n satellites in tokamak plasmas by Rice, J E, Fournier, K B, Safronova, U I, Goetz, J A, Gutmann, S, Hubbard, A E, Irby, J, LaBombard, B, Marmar, E S, Terry, J L

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Application of magnetically-broadened hydrogenic line profiles to computational modeling of a plasma experiment by Adams, M.L., Scott, H.A., Lee, R.W., Terry, J.L., Marmar, E.S., Lipschultz, B., Pigarov, A.Yu, Freidberg, J.P.

“…Magnetically-broadened hydrogenic line profiles are used, in conjunction with a non-local thermodynamic equilibrium (NLTE) code, to model an optically thick…”
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Impurity Transport in a Quiescent Tokamak Plasma by Cohen, S. A., Cecchi, J. L., Marmar, E. S.

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