Search Results - "Monk, R.D."

Chemical erosion yields and photon efficiency measurements in the JET gas box divertor by Stamp, M.F., Erents, S.K., Fundamenski, W., Matthews, G.F., Monk, R.D.

“…Hydrocarbon injection into the JET gas box divertor in ohmic and L-mode discharges has been used to investigate the intrinsic hydrocarbon erosion yields and to…”
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Volume recombination and detachment in JET divertor plasmas by Monk, R.D., Meigs, A., Horton, L., Ingesson, L.C., Lingertat, J., Matthews, G.F., O'Mullane, M.G., Prentice, R., Stamp, M.F., McCracken, G.M., Stangeby, P.C.

“…The spatial distribution of recombination has been studied in the detaching phases of L and H-mode discharges. Recombination is detected by the sudden increase…”
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Parallel electron temperature and density gradients measured in the JET MkI divertor using thermal helium beams by Davies, S.J., Morgan, P.D., Ul'Haq, Y., Maggi, C.F., Erents, S.K., Fundamenski, W., Horton, L.D., Loarte, A., Matthews, G.F., Monk, R.D., Stangeby, P.C.

“…This paper describes the first application of a thermal helium beam diagnostic to a divertor. The helium beam is used to determine spectroscopically the…”
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Interpretation of ion flux and electron temperature profiles at the JET divertor target during high recycling and detached discharges by Monk, R.D., Loarte, A., Chankin, A., Clement, S., Davies, S.J., Ehrenberg, J.K., Guo, H.Y., Lingertat, J., Matthews, G.F., Stamp, M.F., Stangeby, P.C.

“…Detailed experiments have been carried out with the JET Mark 1 pumped divertor to characterise high recycling and detached plasma regimes. This paper presents…”
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Tacrolimus-Associated Hypomagnesemia in Renal Transplant Recipients by Navaneethan, S.D., Sankarasubbaiyan, S., Gross, M.D., Jeevanantham, V., Monk, R.D.

“…Since hypomagnesemia occurs frequently in tacrolimus treated patients, we studied the correlation between renal magnesium wasting and tacrolimus blood levels…”
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Divertor energy distribution in JET H-modes by Matthews, G.F., Erents, S.K., Fundamenski, W., Ingesson, C., Monk, R.D., Riccardo, V.

“…Divertor tile calorimetry is shown to provide accurate routine energy balance in JET. By shifting the plasma from pulse-to-pulse a power profile is…”
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Modelling of deuterium emission in high density divertor plasmas in JET by Maggi, C.F, Horton, L.D, Corrigan, G, Jäckel, H.J, Loarte, A, Monk, R.D, Simonini, R, Stamp, M, Taroni, A

“…Simulations of neutral deuterium emission from high density Ohmic and L-mode JET divertor discharges with the EDGE2D/NIMBUS codes are presented. At high…”
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The effect of divertor geometry on divertor and core plasma performance in JET by Horton, L.D., Matthews, G.F., Andrew, P., Chankin, A., Clement, S., Conway, G., Davies, S., Ehrenberg, J., Fishpool, G., Guo, H.-Y., Harbour, P.J., Ingesson, L.C., Jäckel, H.J., Lingertat, J., Lowry, C.G., Maggi, C.F., McCracken, G.M., Mohanti, R., Monk, R.D., Reichle, R., Smith, R., Stamp, M.F., Taroni, A., von Hellermann, M., Righi, E., Stangeby, P.C., Vlases, G.C., Borrass, K., Loarte, A.

“…JET has completed a series of experiments in the Mk I and Mk IIA divertors on the effects of increased geometrical closure and target orientation. The…”
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Behaviour of upstream separatrix density in JET H-mode plasmas by Davies, S.J, Erents, S.K, Stangeby, P.C, Lingertat, J, Matthews, G.F, Monk, R.D, Vlases, G.C

“…The variation of n Sep e / n e in JET H-modes is described. The upstream separatrix density, n Sep e, was determined using total pressure balance, in…”
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Comparison of B2-EIRENE calculations with multi-machine experimental measurements by Loarte, A, Kukushkin, A.S, Pacher, H.D, Coster, D.P, Schneider, R, Asakura, N, Itami, K, LaBombard, B, Lipschultz, B, Maggi, C.F, Monk, R.D, Porter, G.D, Shimada, M, Sugihara, M, Terry, J

“…The B2-EIRENE code has been compared with plasma edge measurements from Alcator C-MOD, DIII-D, JET, JT-60U in L-mode and H-mode regimes. Similarities in L-mode…”
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Modelling of plasma tritium concentration and wall tritium inventory at JET by Rossi, A., Loarer, T., Saibene, G., Monk, R.D., Horton, L.D., Apicella, M.L., Annaratone, B.

“…In this paper a method for the calculation of the wall particle inventory in a Tokamak is proposed and applied for a series of discharges carried out during…”
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Code-code comparisons of DIVIMP's ‘onion-skin model’ and the EDGE2D fluid code by Stangeby, P.C., Elder, J.D., Fundamenski, W., Loarte, A., Horton, L.D., Simonini, R., Taroni, A., Matthews, O.F., Monk, R.D.

“…In onion-skin modelling, O-SM, of the edge plasma, the cross-field power and particle flows are treated very simply e.g. as spatially uniform. The validity of…”
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Influence of active pumping on density and confinement behaviour of JET plasmas by Saibene, G., Campbell, D.J., Horton, L.D., Loarte, A., Monk, R.D., Righi, E., Stork, D.

“…This paper describes the confinement characteristics of high density Elmy H-modes obtained in the JET Mark I experimental campaign. Plasma pulses carried out…”
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The role of recycling and impurity production in JET hot-ion H-modes by Guo, H.Y, Balet, B, Conway, G, Corrigan, G, Davies, S, de Esch, B, von Hellermann, M, Horton, L.D, Lingertat, H, Lomas, P, Matthews, G.F, McCracken, G.M, Monk, R.D, Nave, M.F.F, Parail, V, Simonini, R, Smith, R, Stamp, M, Stangeby, P.C, Tabasso, A, Taroni, A, Thomas, P, Zastrow, K.-D

“…The effect of impurity production and recycling on JET hot-ion H-mode discharges is investigated for the MkI and MkII divertors. Analysis of the best of these…”
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Determination of JET scrape-off layer transport coefficients using an interpretative “onion-skin” plasma model by Monk, R.D., Horton, L.D., Loarte, A., Matthews, G.F., Stangeby, P.C.

“…Currently there is much interest in the application of sophisticated 2D codes to model the scrape-off layer (SOL) plasma in divertor tokamaks. These models…”
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Review of vacuum vessel conditioning procedures at JET and their impact on plasma operation by Saibene, G., Rossi, A., Monk, R.D., Orchard, J., Andrew, P., Barnsley, R., Cushing, D., Coad, P.J., Davies, S., Erents, K., Guo, H.Y., Lawson, K., Lingertat, J., Matthews, G., Sips, G., Stamp, M., Tanga, A.

“…The experience at JET and in other tokamaks shows that the achievement of reproducible plasma conditions and the improvement on overall plasm performance…”
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Erosion/redeposition at the JET MkI divertor by Guo, H.Y., Coad, J.P., Davies, S.J., Elder, J.D., Horton, L.D., Li, X.L., Lingertat, J., Loarte, A., Matthews, G.F., Monk, R.D., Simonini, R., Stamp, M.F., Stangeby, P.C., Tabasso, A.

“…The DIVIMP/NIMBUS codes are employed to simulate divertor carbon profiles and the net erosion measured by colorimetry using the most recent chemical sputtering…”
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Assessment of the DIVIMP ‘onion-skin’ model in the JET Mark I divertor by Erents, S.K., Davies, P.J., Elder, J.D., Guo, H.Y., Horton, L.D., Matthews, G.F., Monk, R.D., Stangeby, P.C., Summers, D.D.R.

“…The DIVIMP-NIMBUS [1] ‘Onion-Skin’ model has been used to predict upstream plasma parameters using as input measurements by Langmuir probes in the divertor…”
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Neutral particle retention in the JET MK I divertor by Ehrenberg, J.K., Campbell, D.J., Harbour, P.J., Horton, L.D., Loarte, A., McCormick, G.K., Monk, R.D., Saibene, G.R., Simonini, R., Taroni, A., Stamp, M.F.

“…Retention of neutral deuterium and nitrogen in the JET MK I divertor has been investigated. Results show that ohmic plasma detachment reduces deuterium…”
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