Search Results - "VONDRACEK, P"

Optimization of COMPASS-U Support Structure by Fang, J., Sestak, D., Ficker, O., Titus, P., Vondracek, P.

“…The global support structure for Compass Upgrade (COMPASS-U) employs many bolted and pinned components to improve the manufacturability of the whole…”
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Muscular dystrophies and myopathies: the spectrum of mutated genes in the Czech Republic by Stehlíková, K., Skálová, D., Zídková, J., Haberlová, J., Voháňka, S., Mazanec, R., Mrázová, L., Vondráček, P., Ošlejšková, H., Zámečník, J., Honzík, T., Zeman, J., Magner, M., Šišková, D., Langová, M., Gregor, V., Godava, M., Smolka, V., Fajkusová, L.

“…Inherited neuromuscular disorder (NMD) is a wide term covering different genetic disorders affecting muscles, nerves, and neuromuscular junctions. Genetic and…”
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Temporal characteristics of ELMs on the COMPASS divertor by Adamek, J., Cavalier, J., Tskhakaya, D., Csillag, B., Cinnirella, L., Lips, J., Lopez-Rodriguez, D., Sosa, D., Medina, D., Vondracek, P., Kripner, L., Komm, M., Sos, M., Lindl, H.

“…The presented work shows a systematic study of the temporal characteristics of ELM events on the COMPASS divertor obtained with high temporal resolution probe…”
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Quantification of locked mode instability triggered by a change in confinement by Peterka, M., Seidl, J., Markovic, T., Loarte, A., Logan, N.C., Park, J.-K., Cahyna, P., Havlicek, J., Imrisek, M., Kripner, L., Panek, R., Sos, M., Bilkova, P., Bogar, K., Bohm, P., Casolari, A., Gribov, Y., Grover, O., Hacek, P., Hron, M., Kovarik, K., Tomes, M., Tskhakaya, D., Varju, J., Vondracek, P., Weinzettl, V.

“…This work presents the first analysis of the disruptive locked mode (LM) triggered by the dynamics of a confinement change. It shows that, under certain…”
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COMPASS Upgrade: a high-field tokamak for ITER- and DEMO-relevant research by Komm, M., Jaulmes, F., Grover, O., Peterka, M., Seidl, J., Imrisek, M., Saarelma, S., Snyder, P., Sos, M., Caloud, J., Borodkina, I., Shyshkin, O., Cecrdle, J., Farnik, M., Gerardin, J., Kripner, L., Dejarnac, R., Horacek, J., Lukes, S., Havlicek, J., Tskhakaya, D., Hron, M., Panek, R., Vondracek, P., Weinzettl, V.

“…To achieve their goals, future thermonuclear reactors such as ITER and DEMO are expected to operate plasmas with a high magnetic field, triangularity and…”
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Physics conclusions in support of ITER W divertor monoblock shaping by Pitts, R.A., Bardin, S., Bazylev, B., van den Berg, M.A., Bunting, P., Carpentier-Chouchana, S., Coenen, J.W., Corre, Y., Dejarnac, R., Escourbiac, F., Gaspar, J., Gunn, J.P., Hirai, T., Hong, S-H., Horacek, J., Iglesias, D., Komm, M., Krieger, K., Lasnier, C., Matthews, G.F., Morgan, T.W., Panayotis, S., Pestchanyi, S., Podolnik, A., Nygren, R.E., Rudakov, D.L., De Temmerman, G., Vondracek, P., Watkins, J.G.

“…•Focus is on protection of leading edges between toroidally adjacent monoblocks.•Summarizes conclusions of coordinated, multi-device ITPA Divertor and SOL…”
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Divertor infrared thermography on COMPASS by Vondracek, P., Gauthier, E., Grof, M., Hron, M., Komm, M., Panek, R.

“…•A new fast divertor IR system was put into operation on the COMPASS tokamak. The system provides in-situ calibration possibility using a special heated…”
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3D deposition patterns of deuterium retention and impurities in the COMPASS divertor: a data-driven root cause analysis and prediction approach by Weckmann, A., Petersson, P., Varju, J., Jerab, M., Horacek, J., Adamek, J., Vondracek, P., Fortuna, E., Hron, M., Rubel, M.

“…•Deuterium retention patterns and other impurities have been measured on 1/8 of the COMPASS divertor tiles with ion beam analysis in all spatial directions,…”
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Predictive modelling of liquid metal divertor: from COMPASS tokamak towards Upgrade by Horacek, J, Cecrdle, J, Tskhakaya, D, Dejarnac, R, Schwartz, J, Komm, M, Cavalier, J, Adamek, J, Lukes, S, Veselovsky, V, Varju, J, Barton, P, Entler, S, Gasparyan, Y, Gauthier, E, Gerardin, J, Hromadka, J, Hron, M, Iafrati, M, Imrisek, M, Jerab, M, Kovarik, K, Mazzitelli, G, Naydenkova, D, Van Oost, G, Panek, R, Prishvitsin, A, Seidl, J, Sestak, D, Tomes, M, Vasina, Y, Vertkov, A, Vondracek, P, Weinzettl, V

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Fast infrared thermography on the COMPASS tokamak by Vondracek, P., Gauthier, E., Ficker, O., Hron, M., Imrisek, M., Panek, R.

“…•Fast IR thermographic system was designed and partially commissioned on COMPASS.•Near SOL λq is constant during a sawtooth cycle.•Fast modulation of first…”
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Conceptual design of the COMPASS upgrade tokamak by Panek, Radomir, Markovic, T., Cahyna, P., Dejarnac, R., Havlicek, J., Horacek, J., Hron, M., Imrisek, M., Junek, P., Komm, M., Sestak, D., Urban, J., Varju, J., Weinzettl, V., Adamek, J., Bilkova, P., Bohm, P., Dimitrova, M., Hacek, P., Kovarik, K., Krbec, J., Mlynar, J., Podolnik, A., Seidl, J., Stockel, J., Tomes, M., Zajac, F., Mitosinkova, K., Peterka, M., Vondracek, P., the COMPASS team

“…•High magnetic field and high plasma density tokamak with SOL decay length close to ITER and PB/qAR ratio 70% of ITER.•Closed divertor that allows snowflake…”
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Narrow heat flux channels in the COMPASS limiter scrape-off layer by Horacek, J., Vondracek, P., Panek, R., Dejarnac, R., Komm, M., Pitts, R.A., Kocan, M., Goldston, R.J., Stangeby, P.C., Gauthier, E., Hacek, P., Havlicek, J., Hron, M., Imrisek, M., Janky, F., Seidl, J.

“…The ITER first wall is designed for start-up and ramp-down in limiter configuration. The wall panels are toroidally shaped in order to spread the incident…”
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Kinetic model of the COMPASS tokamak SOL by Tskhakaya, D., Adamek, J., Dimitrova, M., Hromasova, K., Seidl, J., Sos, M., Vondracek, P.

“…•Kinetic effects are significant in the inner divertor plasma. Parallel heat flux in the entire SOL is strongly non-local.•Normalized power loads to the ID are…”
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Direct Plasma Potential Measurements by Ball-Pen Probe and Self-Emitting Langmuir Probe on COMPASS and ASDEX Upgrade by Adamek, J., Horacek, J., Seidl, J., Müller, H. W., Schrittwieser, R., Mehlmann, F., Vondracek, P., Ptak, S., COMPASS Team, ASDEX Upgrade Team

“…Experimental investigations of the plasma potential by means of a ball‐pen probe and self‐emitting Langmuir probe technique were performed on the tokamaks…”
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Understanding narrow SOL power flux component in COMPASS limiter plasmas by use of Langmuir probes by Dejarnac, R., Stangeby, P.C., Goldston, R.J., Gauthier, E., Horacek, J., Hron, M., Kocan, M., Komm, M., Panek, R., Pitts, R.A., Vondracek, P.

“…The narrow scrape-off layer power component observed in COMPASS inner wall limiter circular discharges by means of IR thermography is investigated by Langmuir…”
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Constraints on conceptual design of diagnostics for the high magnetic field COMPASS-U tokamak with hot walls by Weinzettl, V., Adamek, J., Bilkova, P., Havlicek, J., Panek, R., Hron, M., Bogar, O., Bohm, P., Casolari, A., Cavalier, J., Dejarnac, R., Dimitrova, M., Duran, I., Entler, S., Ficker, O., Hacek, P., Horacek, J., Imrisek, M., Jaulmes, F., Kovarik, K., Krbec, J., Kripner, L., Markovic, T., Naydenkova, D., Peterka, M., Podolnik, A., Pova, F., Sos, M., Sestak, D., Tomes, M., Varavin, M., Varju, J., Vondracek, P., Zajac, J.

“…•Main constraints influencing the conceptual design of diagnostics for COMPASS-U were identified.•Diagnostic solutions for the hot vacuum vessel, high plasma…”
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Overview of power exhaust experiments in the COMPASS divertor with liquid metals by Dejarnac, R., Horacek, J., Hron, M., Jerab, M., Adamek, J., Atikukke, S., Barton, P., Cavalier, J., Cecrdle, J., Dimitrova, M., Gauthier, E., Iafrati, M., Imrisek, M., Marin Roldan, A., Mazzitelli, G., Naydenkova, D., Prishvitcyn, A., Tomes, M., Tskhakaya, D., Van Oost, G., Varju, J., Veis, P., Vertkov, A., Vondracek, P., Weinzettl, V.

“…•Power exhaust of a CPS liquid metal divertor target in ELMy conditions is reported.•Good power handling of Li and LiSn up to ~12 MW/m2 and ELM energy fluence…”
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Risk factors for critical illness polyneuromyopathy by BEDNARIK, Josef, VONDRACEK, Petr, DUSEK, Ladislav, MORAVCOVA, Eva, CUNDRLE, Ivan

“…Although numerous clinical, laboratory, and pharmacological variables have been reported as significant risk factors for critical illness polyneuromyopathy…”
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Physics of toroidal gap heat loading on castellated plasma-facing components by Dejarnac, R., Gunn, J.P., Vondracek, P., Komm, M., Panek, R., Pitts, R.A.

“…•The physics of toroidal gap heat loading is fully described.•Total heat flux can load either one or both sides (thus including shadowed side).•Power…”
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Modeling of COMPASS tokamak divertor liquid metal experiments by Horacek, J., Dejarnac, R., Cecrdle, J., Tskhakaya, D., Vertkov, A., Cavalier, J., Vondracek, P., Jerab, M., Barton, P., van Oost, G., Hron, M., Weinzettl, V., Sestak, D., Lukes, S., Adamek, J., Prishvitsin, A., Iafratti, M., Gasparyan, Y., Vasina, Y., Naydenkova, D., Seidl, J., Gauthier, E., Mazzitelli, G., Komm, M., Gerardin, J., Varju, J., Tomes, M., Entler, S., Hromadka, J., Panek, R.

“…Two small liquid metal targets based on the capillary porous structure were exposed to the divertor plasma of the tokamak COMPASS. The first target was wetted…”
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