Search Results - "Koechl, F."

Core transport modelling of the DTT full power scenario using different fuelling strategies by Baiocchi, B., Aucone, L., Casiraghi, I., Figini, L., Koechl, F., Mantica, P.

“…Abstract A theory-based integrated modelling work of plasma response to deuterium fuelling in the new Divertor Tokamak Test facility (DTT) is performed, using…”
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Ripple-induced neoclassical toroidal viscous torque in Augmented-First Plasma operation phase in ITER by Liu, Yueqiang, Bai, Xue, Gribov, Y., Koechl, F., Loarte, A., Pinches, S.D., Schmitz, L.

“…Abstract A systematic calculation is performed on the ripple-induced neoclassical toroidal viscous (NTV) torque for new ITER scenarios designed for the…”
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Predictive JET current ramp-up modelling using QuaLiKiz-neural-network by Ho, A., Citrin, J., Challis, C.D., Bourdelle, C., Casson, F.J., Garcia, J., Hobirk, J., Kappatou, A., Keeling, D.L., King, D.B., Koechl, F., Lerche, E., Maggi, C.F., Mailloux, J.

“…Abstract This work applies the coupled JINTRAC and QuaLiKiz-neural-network (QLKNN) model on the ohmic current ramp-up phase of a JET D discharge. The chosen…”
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A comparison of the influence of plasmoid-drift mechanisms on plasma fuelling by cryogenic pellets in ITER and Wendelstein 7-X by Panadero, N., Koechl, F., Polevoi, A.R., Baldzuhn, J., Beidler, C.D., Lang, P.T., Loarte, A., Matsuyama, A., McCarthy, K.J., Pégourié, B., Turkin, Y.

“…Abstract Pellet injection is the most promising technique to achieve efficient plasma core fuelling, key for attaining stationary scenarios in large magnetic…”
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Integrated model control simulations of the electron density profile and the implications of using multiple discrete pellet injectors for control by Bosman, T.O.S.J., Koechl, F., Ho, A., de Baar, M.R., Krishnamoorthy, D., van Berkel, M.

“…Abstract Pellet injection is regarded as the only realistic actuator for core density control in future reactors such as ITER and DEMO. However, a control…”
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Neon seeding effects on two high-performance baseline plasmas on the Joint European Torus by Gabriellini, S., Garzotti, L., Zotta, V.K., Bourdelle, C., Casson, F.J., Citrin, J., Frigione, D., Gatto, R., Giroud, C., Koechl, F., Lomas, P., Marin, M., Menmuir, S., Pucella, G., Rimini, F., van Eester, D.

“…Abstract We present the JETTO-QuaLiKiz-SANCO fully predictive modelling of two JET-ILW high-performance baseline plasmas, a Ne seeded shot and an equivalent…”
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Flat-top plasma operational space of the STEP power plant by Tholerus, E., Casson, F.J., Marsden, S.P., Wilson, T., Brunetti, D., Fox, P., Freethy, S.J., Hender, T.C., Henderson, S.S., Hudoba, A., Kirov, K.K., Koechl, F., Meyer, H., Muldrew, S.I., Olde, C., Patel, B.S., Roach, C.M., Saarelma, S., Xia, G.

“…Abstract STEP is a spherical tokamak prototype power plant that is being designed to demonstrate net electric power. The design phase involves the exploitation…”
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Simulations of the stationary Q = 10 and the exit phase from the flat-top of an ITER 15MA baseline scenario: predictive JINTRAC simulation with a consistent treatment of D and T in the whole plasma by Eriksson, F., Tholerus, E., Corrigan, G., Baranov, Y., Bonnin, X., Farina, D., Figini, L., Garzotti, L., Kim, S.H., Koechl, F., Loarte, A., Militello Asp, E., Olde, C., Parail, V., Pinches, S.D., Polevoi, A., Strand, P.

“…Abstract Designing a robust termination scenario for a burning ITER plasma is a challenge that requires extensive core plasma and divertor modelling. The…”
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Assessment of the ITER divertor bolometer diagnostic performance by Brank, M., Pitts, R.A., Kalvin, S., Zoletnik, S., Koechl, F., Meister, H., Neverov, V.S., Reichle, R., Schneider, M., Kos, L.

“…•Radiative heat fluxes to ITER divertor bolometer housings estimated from plasma radiation distribution.•Detailed 3D geometry of first wall used with plasma…”
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ELM and inter-ELM tungsten erosion sources in high-power, JET ITER-like wall H-mode plasmas by Kumpulainen, H.A., Groth, M., Brezinsek, S., Corrigan, G., Frassinetti, L., Harting, D., Koechl, F., Karhunen, J., Meigs, A.G., O'Mullane, M., Romazanov, J.

“…•High-power type-I ELMy JET plasmas simulated using JINTRAC and ERO2.0.•Near-perfect screening predicted for highest gross W sources at divertor targets.•W…”
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Validation of EDGE2D-EIRENE and DIVIMP for W SOL transport in JET by Kumpulainen, H.A., Groth, M., Corrigan, G., Harting, D., Koechl, F., Jaervinen, A.E., Lomanowski, B., Meigs, A.G., Sertoli, M.

“…Tungsten sputtering rates and density profiles predicted using the edge plasma codes EDGE2D-EIRENE and DIVIMP are found to agree within a factor of 4 with…”
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Coupled core-SOL modelling of W contamination in H-mode JET plasmas with ITER-like wall by Parail, V., Corrigan, G., Da Silva Aresta Belo, P., De La Luna, E., Harting, D., Koechl, F., Koskela, T., Meigs, A., Militello-Asp, E., Romanelli, M., Tsalas, M.

“…The influence of the ITER-like Wall (ILW) with divertor target plate made of tungsten (W), on plasma performance in JET H-mode is being investigated since 2011…”
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Preparation for the operation of ITER: EU study on the plasma control system by Cavinato, M., Ambrosino, G., Figini, L., Granucci, G., Gribov, Y., Koechl, F., Mattei, M., Parail, V., Pironti, A., Ricci, D., Saibene, G., Sartori, R., Zabeo, L.

“…In view of the preparation for the operation of the ITER tokamak it is necessary to develop the plasma scenarios taking into account all engineering…”
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Integrated Core-SOL Simulations of ITER H-Mode Scenarios with Different Pedestal Density by Ivanova-Stanik, I., Koechl, F., Voitsekhovitch, I., Telesca, G., Zagörski, R., EU-ITM ITER Scenario Modelling group

“…Fusion performance of ITER H‐mode plasmas in presence of intrinsic (He, Be and W) and seeded (Ne) im purities is investigated in self‐consistent…”
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ITER operational space for full plasma current H-mode operation by Mattei, M., Cavinato, M., Saibene, G., Portone, A., Albanese, R., Ambrosino, G., Horton, L.D., Kessel, C., Koechl, F., Lomas, P.J., Nunes, I., Parail, V., Sartori, R., Sips, A.C.C., Thomas, P.R.

“…Sensitivity studies performed as part of the ITER IO design review highlighted a very stiff dependence of the maximum Q attainable on the machine parameters…”
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Scenario trajectory optimization and control on STEP by Mitchell, J., Parrott, A., Casson, F.J., Eriksson, F.E., Koechl, F., Lennholm, M., Bardsley, O., Meyer, H.F., Aleiferis, S.

“…In this paper we present optimized actuator trajectories, evolving in time and space, of non-inductive ramp-up scenarios for the Spherical Tokamak for Energy…”
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Divertor Tokamak Test facility project: status of design and implementation by Agguiaro, D., Andreoli, P., Angelone, M., Antonini, P., Apruzzese, G., Arena, P., Balestri, A., Bianucci, S., Bin, W., Boeswirth, B., Bonaventura, A., Boncagni, L., Bonifetto, R., Brezinsek, S., Busi, D., Candela, V., Carrelli, C., Casiraghi, I., Causa, F., Cavenago, M., Cecchini, M., Centioli, C., Cesaroni, S., Ciotti, M., Coccorese, D., Crescenzi, F., Danè, F., De Leo, V., De Luca, R., De Sano, G., Delfino, A., Dima, R., Domenichelli, A., Doria, A., Elitropi, M., Figini, L., Filippi, F., Fimiani, A., Frescura, A., Gaetani, P., Galdon Quiroga, J., Gammino, S., Gandolfo, G., Garcia Lopez, J., Giorgetti, F., Giruzzi, G., Gorini, G., Guerini, S., Lanchi, C., Loureiro, J., Maddaluno, G., Mandalà, P., Manganelli, M., Marchiori, G., Marinelli, M., Marocco, D., Martini, G., Marucci, A., Marzullo, D., Meller, P., Migliori, S., Milanesio, D., Minelli, P., Nocente, M., Nowak, S., Orsetti, V., Pacella, D., Panza, F., Parisi, M., Passarello, S., Pesenti, A., Piron, L., Placido, D., Pizzuto, A., Platania, P., Previti, A., Recchia, M., Riccardi, B., Rubino, G., Rubino, S., Salvini, P., Salvitti, A., Simonetto, A., Sirignano, A., Testoni, R., Toigo, V., Torrisi, G., Trotta, A., Tuccillo, A., Tudisco, O., Uccello, A., Vassallo, E., Verdini, L., Verona, C., Verona Rinati, G., Vianello, N., Villano, O., Vitale, V., Wu, H.S., Wyss, I.

“…Abstract An overview is presented of the progress since 2021 in the construction and scientific programme preparation of the Divertor Tokamak Test (DTT)…”
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EU DEMO transient phases: Main constraints and heating mix studies for ramp-up and ramp-down by Vincenzi, P., Ambrosino, R., Artaud, J.F., Bolzonella, T., Garzotti, L., Giruzzi, G., Granucci, G., Köchl, F., Mattei, M., Tran, M.Q., Wenninger, R.

“…•Further additional dedicated ramp-up power is needed.•H-mode access determines the requested additional power.•In ramp-down radiation losses must be…”
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Considerations on the DEMO pellet fuelling system by Lang, P.T., Day, Ch, Fable, E., Igitkhanov, Y., Köchl, F., Mooney, R., Pegourie, B., Ploeckl, B., Wenninger, R., Zohm, H.

“…•Considerations are made for a core particle fuelling system covering all DEMO requirements.•Particle deposition beyond the pedestal top is needed to achieve…”
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Blower Gun pellet injection system for W7-X by Dibon, M., Baldzuhn, J., Beck, M., Cardella, A., Köchl, F., Kocsis, G., Lang, P.T., Macian-Juan, R., Ploeckl, B., Szepesi, T., Weisbart, W.

“…•Operational principle of the ASDEX Upgrade Blower Gun.•Guiding tube properties for pellet guiding according to the requirements of W7-X.•Diagnostics for the…”
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