Search Results - "Marmar, E."

The role of RF-induced E×B flows in the mitigation of scrape-off-layer convective transport during ion cyclotron resonance heating by Diab, R., Decristoforo, G., Ahmed, S., Baek, S.G., Lin, Y., Marmar, E., Terry, J.L., Wukitch, S.J.

“…Abstract While multiple experiments have reported a decrease in intermittent fluctuations in the far Scrape-Off-Layer (SOL) during ion cyclotron resonance…”
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Smaller & Sooner: Exploiting High Magnetic Fields from New Superconductors for a More Attractive Fusion Energy Development Path by Whyte, D. G., Minervini, J., LaBombard, B., Marmar, E., Bromberg, L., Greenwald, M.

“…The current fusion energy development path, based on large volume moderate magnetic B field devices is proving to be slow and expensive. A modest development…”
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3D radiated power analysis of JET SPI discharges using the Emis3D forward modeling tool by Stein-Lubrano, B., Sweeney, R., Bonfiglio, D., Lovell, J., Carvalho, P., Baylor, L., Granetz, R.S., Jachmich, S., Joffrin, E., Kong, M., Lehnen, M., Maggi, C., Marmar, E., Nardon, E., Puglia, P., Sheikh, U., Shiraki, D., Silburn, S.

“…Abstract Precise values for radiated energy in tokamak disruption experiments are needed to validate disruption mitigation techniques for burning plasma…”
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Formation and stability of impurity "snakes" in tokamak plasmas by Delgado-Aparicio, L, Sugiyama, L, Granetz, R, Gates, D A, Rice, J E, Reinke, M L, Bitter, M, Fredrickson, E, Gao, C, Greenwald, M, Hill, K, Hubbard, A, Hughes, J W, Marmar, E, Pablant, N, Podpaly, Y, Scott, S, Wilson, R, Wolfe, S, Wukitch, S

“…New observations of the formation and dynamics of long-lived impurity-induced helical "snake" modes in tokamak plasmas have recently been carried out on…”
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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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Observation of self-generated flows in tokamak plasmas with lower-hybrid-driven current by Ince-Cushman, A, Rice, J E, Reinke, M, Greenwald, M, Wallace, G, Parker, R, Fiore, C, Hughes, J W, Bonoli, P, Shiraiwa, S, Hubbard, A, Wolfe, S, Hutchinson, I H, Marmar, E, Bitter, M, Wilson, J, Hill, K

“…In Alcator C-Mod discharges lower hybrid waves have been shown to induce a countercurrent change in toroidal rotation of up to 60 km/s in the central region of…”
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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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ICRF specific impurity sources and plasma sheaths in Alcator C-Mod by Wukitch, S.J., LaBombard, B., Lin, Y., Lipschultz, B., Marmar, E., Reinke, M.L., Whyte, D.G.

“…In Alcator C-Mod, we have sought to identify ICRF specific impurity sources and estimate the lifetime of thin, low-Z films in the presence of high power ICRF…”
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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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RF plasma edge interactions and their impact on ICRF antenna performance in Alcator C-Mod by Wukitch, S.J., Lipschultz, B., Marmar, E., Lin, Y., Parisot, A., Reinke, M., Rice, J., Terry, J.

“…In Alcator C-Mod, we have investigated the compatibility of high power ion cyclotron range of frequencies antenna with high performance plasmas and all high-Z…”
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High-field side scrape-off layer investigation: Plasma profiles and impurity screening behavior in near-double-null configurations by LaBombard, B., Kuang, A.Q., Brunner, D., Faust, I., Mumgaard, R., Reinke, M.L., Terry, J.L., Hughes, J.W., Walk, J., Chilenski, M., Lin, Y., Marmar, E., Wallace, G., Whyte, D., Wolfe, S., Wukitch, S.

“…•Impurity screening by the high-field side scrape-off layer is compared to low-field side.•In balanced double-null, high-field side impurity screening is a…”
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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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Hydrogen control in Alcator C-Mod walls and plasmas by Lin, Y., Irby, J., Lipschultz, B., Marmar, E., Whyte, D., Wolfe, S., Wukitch, S.

“…The control of the hydrogen fraction in D plasmas [H/(H+D)] is necessary for efficient ICRF minority heating in Alcator C-Mod. Boronizing the chamber when…”
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The role of cold compression dressings in the postoperative treatment of total knee arthroplasty by Levy, A S, Marmar, E

“…A prospective randomized study was performed to evaluate the role of cold compressive dressings in the postoperative treatment of total knee arthroplasty…”
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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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The role of RF-induced E×B flows in the mitigation of scrape-off-layer convective transport during ion cyclotron resonance heating by Diab, R., Decristoforo, G., Ahmed, S., Baek, S. G., Lin, Y., Marmar, E., Terry, J. L., Wukitch, S. J.

“…Abstract While multiple experiments have reported a decrease in intermittent fluctuations in the far Scrape-Off-Layer (SOL) during ion cyclotron resonance…”
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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.

“…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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