Search Results - "Brooks, N H"

The influence of three-dimensional stochastic magnetic boundaries on plasma edge transport and the resulting plasma wall interaction by Schmitz, O., Evans, T.E., Fenstermacher, M.E., McLean, A., Boedo, J., Brooks, N.H., Frerichs, H., Jakubowski, M., Laengner, R., Lasnier, C.L., Loarte, A., Moyer, R.A., Orlov, D., Reimerdes, H., Reiter, D., Samm, U., Stoschus, H., Unterberg, E.A., Watkins, J.G.

“…The three-dimensional (3D) features of plasma edge profiles and wall interaction patterns induced by edge resonant magnetic perturbation fields (RMP) are…”
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Hydrocarbon injection for quantification of chemical erosion yields in tokamaks by Brezinsek, S., Pospieszczyk, A., Borodin, D., Stamp, M.F., Pugno, R., McLean, A.G., Fantz, U., Manhard, A., Kallenbach, A., Brooks, N.H., Groth, M., Mertens, Ph, Philipps, V., Samm, U.

“…Chemical erosion of carbon can be described as function of the incident ion flux, the ion energy and the surface temperature. Spectroscopy on the hydrocarbon…”
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Scaling of divertor heat flux profile widths in DIII-D by Lasnier, C.J., Makowski, M.A., Boedo, J.A., Allen, S.L., Brooks, N.H., Hill, D.N., Leonard, A.W., Watkins, J.G., West, W.P.

“…New scalings of the dependence of divertor heat flux peak and profile width, important parameters for the design of future large tokamaks, have been obtained…”
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Influence of cross-field drifts and chemical sputtering on simulations of divertor particle and heat loads in ohmic and L-mode plasmas in DIII-D, AUG, and JET using UEDGE by Groth, M., Porter, G.D., Rensink, M.E., Rognlien, T.D., Wiesen, S., Wischmeier, M., Eich, T., Herrmann, A., Jachmich, S., Lasnier, C.J., Müller, H.W., Watkins, J.G., Beurskens, M.N.A., Bray, B.D., Brezinsek, S., Brooks, N.H., Fenstermacher, M.E., Fuchs, C., Huber, A., Kallenbach, A., Leonard, A.W., Meigs, A., Rudakov, D.L.

“…Measurements and simulations with the UEDGE code of radiated power, and ion saturation currents and power loads to the target plates have been compared for…”
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Fast camera imaging of dust in the DIII-D tokamak by Yu, J.H., Rudakov, D.L., Pigarov, A.Yu, Smirnov, R.D., Brooks, N.H., Muller, S.H., West, W.P.

“…Naturally occurring and injected dust particles are observed in the DIII-D tokamak in the outer midplane scrape-off-layer (SOL) using a visible fast-framing…”
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Global particle balance measurements in DIII-D H-mode discharges by Unterberg, E.A., Allen, S.L., Brooks, N.H., Evans, T.E., Leonard, A.W., McLean, A., Watkins, J.G., Whyte, D.G.

“…Experiments are performed on the DIII-D tokamak to determine the retention rate in an all graphite first-wall tokamak. A time-dependent particle balance…”
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Compatibility of the radiating divertor with high performance plasmas in DIII-D by Petrie, T.W., Wade, M.R., Brooks, N.H., Fenstermacher, M.E., Groth, M., Hyatt, A.W., Isler, R.C., Lasnier, C.J., Leonard, A.W., Mahdavi, M.A., Porter, G.D., Schaffer, M.J., Watkins, J.G., West, W.P.

“…A radiating divertor approach was successfully applied to high performance ‘hybrid’ plasmas [M.R. Wade et al., in: Proceedings of the 20th IAEA Fusion Energy…”
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Experiments to measure hydrogen release from graphite walls during disruptions in DIII-D by Hollmann, E.M., Pablant, N.A., Rudakov, D.L., Boedo, J.A., Brooks, N.H., Jernigan, T.C., Pigarov, A.Yu

“…Spectroscopy and wall tile bake-out measurements are performed in the DIII-D tokamak to estimate the amount of hydrogen stored in and released from the walls…”
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First results examining the compatibility of RMP ELM suppression with the radiating divertor in DIII-D by Petrie, T.W., Evans, T.E., Fenstermacher, M.E., Mordijck, S., Brooks, N.H., Ferron, J.R., Hudson, B., Hyatt, A.W., Lasnier, C.J., Leonard, A.W., Luce, T.C., Moyer, R.A., Politzer, P.A., Schaffer, M.J., Snyder, P.B., Watkins, J.G.

“…We report on recent DIII-D experiments that integrate edge localized mode (ELM) suppression using resonant magnetic perturbations (RMPs) with divertor heat…”
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Migration of artificially introduced micron-size carbon dust in the DIII-D divertor by Rudakov, D.L., West, W.P., Wong, C.P.C., Brooks, N.H., Evans, T.E., Fenstermacher, M.E., Groth, M., Krasheninnikov, S.I., Lasnier, C.J., McLean, A.G., Pigarov, A.Yu, Solomon, W.M., Antar, G.Y., Boedo, J.A., Doerner, R.P., Hollmann, E.M., Hyatt, A.W., Moyer, R.A., Watkins, J.G.

“…Migration of pre-characterized carbon dust in a tokamak environment was studied by introduction of ∼30mg of micron-size (∼6μm median diameter) dust in the…”
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Reduction of edge-localized mode intensity using high-repetition-rate pellet injection in tokamak H-mode plasmas by Baylor, L R, Commaux, N, Jernigan, T C, Brooks, N H, Combs, S K, Evans, T E, Fenstermacher, M E, Isler, R C, Lasnier, C J, Meitner, S J, Moyer, R A, Osborne, T H, Parks, P B, Snyder, P B, Strait, E J, Unterberg, E A, Loarte, A

“…High repetition rate injection of deuterium pellets from the low-field side (LFS) of the DIII-D tokamak is shown to trigger high-frequency edge-localized modes…”
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Quantification of chemical erosion in the DIII-D divertor and implications for ITER by McLean, A.G., Stangeby, P.C., Bray, B.D., Brezinsek, S., Brooks, N.H., Davis, J.W., Isler, R.C., Kirschner, A., Laengner, R., Lasnier, C.J., Mu, Y., Munoz, J., Rudakov, D.L., Schmitz, O., Unterberg, E.A., Watkins, J.G., Whyte, D.G., Wong, C.P.C.

“…The Porous Plug Injector (PPI) has proven to be an invaluable diagnostic for in situ characterization and quantification of erosion phenomena in DIII-D…”
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β blocker treatment is associated with improvement in renal function and anaemia in patients with heart failure by Khan, W, Deepak, S M, Coppinger, T, Waywell, C, Borg, A, Harper, L, Williams, S G, Brooks, N H

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Experimental comparison of recycling and pumping changes during resonant magnetic perturbation experiments at low and high collisionality in DIII-D by Unterberg, E.A., Brooks, N.H., Evans, T.E., Fenstermacher, M.E., Hillis, D.L., Maingi, R., Mordijck, S., Moyer, R.A., Osborne, T.H., Petrie, T.W., Watkins, J.G.

“…Resonant magnetic perturbations (RMPs) have been shown to successfully suppress edge localized modes (ELMs) in the DIII-D tokamak. A previous study of target…”
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Plasma impurity content, gas fueling, and exhaust on DIII-D over extended periods between boronizations by West, W.P., Groth, M., Hyatt, A.W., Brooks, N.H., Jackson, G.L., Wade, M.R., Greenfield, C.M.

“…During the 2006 and 2007 DIII-D experimental campaigns the rate of boronization events was reduced significantly from past campaigns with no detrimental…”
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First tests of diagnostic mirrors in a tokamak divertor: An overview of experiments in DIII-D by Litnovsky, A., Rudakov, D.L., De Temmerman, G., Wienhold, P., Philipps, V., Samm, U., McLean, A.G., West, W.P., Wong, C.P.C., Brooks, N.H., Watkins, J.G., Wampler, W.R., Stangeby, P.C., Boedo, J.A., Moyer, R.A., Allen, S.L., Fenstermacher, M.E., Groth, M., Lasnier, C.J., Boivin, R.L., Leonard, A.W., Romanyuk, A., Hirai, T., Pintsuk, G., Breuer, U., Scholl, A.

“…Mirrors will be used in ITER in all optical diagnostic systems observing the plasma radiation in the ultraviolet, visible and infrared ranges. Diagnostic…”
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ACC/AHA guidelines for the management of patients with acute myocardial infarction. A report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines (Committee on Management of Acute Myocardial Infarction) by Ryan, T J, Anderson, J L, Antman, E M, Braniff, B A, Brooks, N H, Califf, R M, Hillis, L D, Hiratzka, L F, Rapaport, E, Riegel, B J, Russell, R O, Smith, Jr, E E, Weaver, W D

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Measurements and simulations of scrape-off layer flows in the DIII-D Tokamak by Groth, M., Porter, G.D., Boedo, J.A., Brooks, N.H., Isler, R.C., West, W.P., Bray, B.D., Fenstermacher, M.E., Groebner, R.J., Leonard, A.W., Moyer, R.A., Rognlien, T.D., Watkins, J.G., Yu, J.H.

“…Flow velocities of the order 10–20 km/s in the direction of the high-field side divertor have been measured for deuterons and low charge-state carbon ions in…”
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Polymorphism of the transforming growth factor-beta 1 gene correlates with the development of coronary vasculopathy following cardiac transplantation by Densem, C G, Hutchinson, I V, Cooper, A, Yonan, N, Brooks, N H

“…Expression of transforming growth factor-beta1 (TGF-beta1) is central to vascular repair due to its effects on smooth muscle cell, monocyte/macrophage,…”
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Measurement of C I kinetic temperature in methane puffing experiments on DIII-D and implications for spectroscopically distinguishing carbon sputtering mechanisms by Brooks, N.H., Isler, R.C., McLean, A.G.

“…Methane puffing experiments in DIII-D [A.G. McLean et al., J. Nucl. Mater., these Proceedings, doi:10.1016/j.jnucmat.2006.12.062] provide strong corroborating…”
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