Search Results - "Pacher, G."

Finalizing the ITER divertor design: The key role of SOLPS modeling by Kukushkin, A.S., Pacher, H.D., Kotov, V., Pacher, G.W., Reiter, D.

“…► This is a review of the development of edge plasma modeling at ITER and of its interaction with the evolving divertor design. ► The SOLPS (B2-Eirene) code…”
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Consequences of a reduction of the upstream power SOL width in ITER by Kukushkin, A.S., Pacher, H.D., Pacher, G.W., Kotov, V., Pitts, R.A., Reiter, D.

“…The effect of a hypothetical reduction of the SOL power width on the performance of the ITER divertor is analyzed using the SOLPS4.3 code. A reduction of this…”
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Physics requirements on fuel throughput in ITER by Kukushkin, A.S., Polevoi, A.R., Pacher, H.D., Pacher, G.W., Pitts, R.A.

“…The throughput requirements that the ITER fuelling system must satisfy are estimated considering the major system functions. The ELM pace-making and control of…”
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Modelling of the ITER reference divertor plasma by Pacher, H.D., Kukushkin, A.S., Pacher, G.W., Kotov, V., Reiter, D.

“…ITER divertor and edge modelling with the ITER B2-EIRENE code including neutral–neutral and molecule–ion collisions has been applied to the ITER reference…”
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Fatigue Fracture Properties and Morphology of Polyoxymethylene (POM) Plates Produced under Moderate Processing Conditions by Pacher, G., Feuchter, M., Halb, M., Berer, M., Pinter, G.

“…The present study was inspired by different industry projects in which a strong dependence of the fatigue fracture performance of POM on the processing…”
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Impurity seeding in ITER DT plasmas in a carbon-free environment by Pacher, H.D., Kukushkin, A.S., Pacher, G.W., Kotov, V., Pitts, R.A., Reiter, D.

“…Impurity seeding has been studied for a carbon-free divertor configuration in ITER using edge/divertor SOLPS code simulations. For high power DT operation,…”
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Impurity seeding and scaling of edge parameters in ITER by Pacher, H.D., Kukushkin, A.S., Pacher, G.W., Kotov, V., Janeschitz, G., Reiter, D., Coster, D.P.

“…ITER divertor and edge modelling with the ITER B2–EIRENE code including neutral–neutral and molecule–ion collisions has led to updated scaling of the helium…”
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Effect of the dome on divertor performance in ITER by Kukushkin, A.S., Pacher, H.D., Kotov, V., Reiter, D., Coster, D.P., Pacher, G.W.

“…The effect of variation of the divertor geometry in ITER is re-evaluated with the recently developed non-linear model of the transport of the neutral…”
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Effect of the tokamak size in edge transport modelling and implications for DEMO by Pacher, H.D., Kukushkin, A.S., Pacher, G.W., Janeschitz, G., Coster, D., Kotov, V., Reiter, D.

“…The edge plasma of four devices, AUG, JET, ITER and a prototypical DEMO near ignition, is modelled with B2-EIRENE with a linear neutral model, carbon impurity,…”
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ITER divertor performance in conditions of carbon re-erosion by Kukushkin, A.S., Pacher, H.D., Coster, D.P., Pacher, G.W., Reiter, D.

“…The effect of carbon re-erosion in a mixed-material environment on the results of ITER edge plasma modelling is presented. Divertor performance is investigated…”
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The ITER divertor concept by Janeschitz, G., Borrass, K., Federici, G., Igitkhanov, Y., Kukushkin, A., Pacher, H.D., Pacher, G.W., Sugihara, M.

“…The ITER divertor must exhaust most of the alpha particle power and the He ash at acceptable erosion rates. The high recycling regime of the ITER-CDA for…”
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Integrated ELM Modelling by Lönnroth, J.-S., Bateman, G., Bécoulet, M., Beyer, P., Corrigan, G., Figarella, C., Fundamenski, W., Garcia, O. E., Garbet, X., Huysmans, G., Janeschitz, G., Johnson, T., Kiviniemi, T., Kuhn, S., Kritz, A., Loarte, A., Naulin, V., Nave, F., Onjun, T., Pacher, G. W., Pacher, H. D., Pankin, A., Parail, V., Pitts, R., Saibene, G., Snyder, P., Spence, J., Tskhakaya, D., Wilson, H.

“…This paper presents a short overview of current trends and progress in integrated ELM modelling. First, the concept of integrated ELM modelling is introduced,…”
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Scaling of ITER divertor parameters – interpolation from 2D modelling and extrapolation by Pacher, H.D., Kukushkin, A.S., Pacher, G.W., Janeschitz, G.

“…Detailed modelling studies of the divertor plasma for ITER have been carried out. Using these results, scaling relationships are developed linking SOL power,…”
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Simulation of transient wall pumping, fuelling effects and density control in tokamaks by Sugihara, M., Federici, G., Grisolia, C., Ghendrih, P., Hogan, J.T., Janeschitz, G., Pacher, G., Post, D.E.

“…A dynamical model has been developed which solves a time-dependent coupled system of equations for the (1) plasma density and (2) hydrogenic concentrations in…”
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Kinetic modeling of the transport in the SOL of TdeV during LH current drive and ELM bursts by Shoucri, M., Shkarofsky, I., Gauvreau, J.-L., Jacquet, P., Pacher, G., Decoste, R., Batishchev, O., Batishcheva, A., Sigmar, D.

“…Fully kinetic plasma–neutrals Fokker–Planck code ALLA is used to simulate the transport properties of the scrape-off layer (SOL) plasmas of Tokamak-de-Varennes…”
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A Physics Picture of Type I ELMs by Igitkhanov, Yu, Pogutse, O.P., Wilson, H.R., Connor, J.W., Wobig, H., Grigull, P., Hirsch, M., Janeschitz, G., Sugihara, M., Loarte, A., Saibene, G., Sartori, R., Pacher, G., Pacher, H.

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ELM triggering conditions for the integrated modeling of H-mode plasmas by Pankin, A. Y., Bateman, G., Brennan, D. P., Schnack, D. D., Snyder, P. B., Voitsekhovitch, I., Kritz, A. H., Kruger, S., Janeschitz, G., Onjun, T., Pacher, G. W., Pacher, H. D.

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L–H transition in tokamak plasmas: 1.5-D simulations by Janeschitz, G., Pacher, G.W., Igitkhanov, Yu, Pacher, H.D., Pinches, S.D., Pogutse, O., Sugihara, M.

“…Time-dependent theoretical models have been implemented in a 1.5-D transport code to describe the operational boundaries (L–H transition, ballooning limit) in…”
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Divertor helium pumping in TdeV-96 under various conditions by Gauvreau, J.-L., Pacher, G.W., Décoste, R., Demers, Y., Stansfield, B.L., Côté, C., Lachambre, J.-L., Richard, N., Lebrun, G., Team, TdeV

“…In this paper, we report on the effects of density, divertor geometry and ECRH heating on divertor pressure and helium enrichment. Low, medium and high…”
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Dependence of the L–H transition on separatrix-wall gaps on TdeV by Pacher, G.W, Decoste, R, Demers, Y, Cote, A, Lachambre, J.-L, Boucher, C, Cote, C, Gauvreau, J.-L, Lafrance, D, Pinsonneault, D, Quirion, B, Richard, N, St.-Onge, M, Team, TdeV

“…Steady-state H-modes have been obtained on TdeV both with ECRH and Lower Hybrid heating. Power thresholds are comparable with those predicted by the ITER…”
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