7th International Workshop on Mechanisms of Vacuum Arcs (MeVArc 2018)

from Sunday, May 20, 2018 (8:00 AM) to Thursday, May 24, 2018 (6:00 PM)
Other Institutes

        : Sessions
    /     : Talks
        : Breaks
May 20, 2018
May 21, 2018
May 22, 2018
May 23, 2018
May 24, 2018
AM
8:15 AM
Conference Activity (until 8:30 AM) (La Puntilla)
8:30 AM
Overview/Foundational (until 10:00 AM) ()
8:30 AM Applications of High-Gradient Accelerators - Walter Wuensch (CERN)   ()
9:00 AM Review of high voltage breakdown: from multipactor to ionization discharge* - Prof. J. Verboncoeur (Michigan State University)   ()
9:30 AM Advancing electrode models for PIC-DSMC simulation of discharge between real electrodes - Chris Moore (Sandia National Labs)   ()
10:00 AM
Coffee Break (until 10:30 AM) ()
10:30 AM
Field Emission (until 11:30 AM) (La Puntilla)
10:30 AM Nanoscopic and Surface Aspects of Field Emission and Vacuum Arcs - Marek Jacewicz (Uppsala University (SE))   (La Puntilla)
11:00 AM CHARACTERIZING THE INFLUENCE OF ELECTRODE SURFACE MORPHOLOGY ON FIELD EMISSION - Morgann Berg (Sandia National Laboratories)   (La Puntilla)
11:30 AM
Lunch Break (until 1:30 PM) ()
8:30 AM
Modeling and Simulations (until 10:00 AM) (La Puntilla)
8:30 AM Dynamic Coupling of a Finite Element Solver to Large-Scale Atomistic Simulations - Mihkel Veske (University of Helsinki)   (La Puntilla)
9:00 AM Thermal runaway of intensively field-emitting metal tips. - Andreas Kyritsakis   (La Puntilla)
9:30 AM Stochastic model of breakdown nucleation under intense electric fields - Eli Engelberg (The Hebrew University of Jerusalem)   (La Puntilla)
10:00 AM
Coffee Break (until 10:30 AM) ()
10:30 AM
Experiments and Diagnostics (until 11:30 AM) (La Puntilla)
10:30 AM CURRENT SIGNALS AND X-RAYS SPECTRA ANALYSIS FOR A VACUUM HIGH VOLTAGE HOLDING EXPERIMENT - Dr silvia spagnolo (consorzio rfx)   (La Puntilla)
11:00 AM Updated Results of Breakdown Study for a 509-MHz CW Accelerating Cavity based on Direct In-situ Observation - Dr Tetsuo Abe (KEK)   (La Puntilla)
11:30 AM
Lunch Break (until 1:30 PM) ()
8:30 AM
Experiments and Diagnostics (until 10:00 AM) (La Puntilla)
8:30 AM Constraints on stochastic plastic activity as a source for BD nucleation - Yinon Ashkenazy (The Hebrew University of Jerusalem (IL))   (La Puntilla)
9:00 AM Copper Measurements with High Frequency Ultrasound Microscope - Mr Antti Meriläinen (Helsinki Institute of Physics (FI))   (La Puntilla)
9:30 AM Microscopy at CERN - Enrique Rodriguez Castro (CERN)   (La Puntilla)
10:00 AM
Coffee Break (until 10:30 AM) ()
10:30 AM
Modeling and Simulations (until 11:30 AM) (La Puntilla)
10:30 AM Modeling of Cathode Spot Crater Formation and Development on pure Cu and CuCr alloy in Vacuum Arc - Prof. Lijun Wang (Xi'an Jiaotong University)   (La Puntilla)
11:00 AM Droplet emission from non-refractory cathodes: From vacuum arcs to ultra-high-pressure arcs - Dr Valerian Nemchinsky (Keiser University)   (La Puntilla)
11:30 AM
Lunch Break (until 1:30 PM) ()
8:30 AM
Modeling and Simulations (until 10:00 AM) (La Puntilla)
8:30 AM Nanotip-formation processes in electric fields - Dr Ville Jansson (University of Helsinki)   (La Puntilla)
9:00 AM Experiments and simulations of nanoscale surface-field interaction - Simon Vigonski (University of Tartu)   (La Puntilla)
9:30 AM Artificial neural networks for Cu surface migration barrier prediction - Jyri Lahtinen   (La Puntilla)
10:00 AM
Coffee Break (until 10:30 AM) ()
10:30 AM
Applications (until 11:30 AM) (La Puntilla)
10:30 AM Mitigation of the breakdown induced effects on the 1 MeV – 16.5 MW Neutral Beam Injector experiment in Padova - Antonio De Lorenzi (Consorzio RFX - )   (La Puntilla)
11:00 AM Mitigation of High Field Corona Losses by Surface Treatments - Prof. Zeke Insepov (Purdue University)   (La Puntilla)
11:30 AM
Lunch Break (until 1:30 PM) ()
PM
6:00 PM
Welcome Reception (until 8:00 PM) (La Puntilla)
1:30 PM
Modeling and Simulations (until 2:30 PM) (La Puntilla)
1:30 PM Do Cracks and Unipolar Arcs explain vacuum breakdown and gradient limits? - Dr Jim Norem (Nano Synergy Inc)   (La Puntilla)
2:00 PM Simulations of Multi-Phase Processes of Arc Interaction with Electrodes - Dr Vladimir Kolobov (CFD Research Corporation)   (La Puntilla)
2:30 PM
Coffee Break (until 3:00 PM) ()
3:00 PM
Experiments and Diagnostics (until 4:30 PM) (La Puntilla)
3:00 PM Electrical vacuum breakdowns in large-gap DC-setup: experiment versus theory - Flyura Djurabekova (University of Helsinki)   (La Puntilla)
3:30 PM Spectroscopic study of high-current vacuum arcs considering anode activity - Dr Sergey Gorchakov (Leibniz Institute for Plasma Science and Technology)   (La Puntilla)
4:00 PM Photon-assisted Plasma Breakdown Studies in Plane to Plane Discharges - Ed Barnat (Sandia National Laboratories)   (La Puntilla)
5:00 PM
Poster Session (until 7:00 PM) (La Puntilla)
1:30 PM
Applications (until 3:00 PM) (La Puntilla)
1:30 PM Update on high-power testing of X-band RF structures at CERN - Mr Jan Paszkiewicz (University of Oxford (GB))   (La Puntilla)
2:00 PM Recent Results of X-Band High-Gradient Tests at KEK / Nextef - Tetsuo Abe (High Energy Accelerator Research Organization (KEK))   (La Puntilla)
2:30 PM Autopsy of cryogenic normal conducting X-band cavity - Valery Dolgashev (SLAC)   (La Puntilla)
3:00 PM
Special Topic (until 3:45 PM) ()
4:00 PM
Conference Activity (until 8:00 PM) ()
1:30 PM
Modeling and Simulations (until 2:30 PM) (La Puntilla)
1:30 PM Study of a low-pressure high voltage switch triggered by laser-surface interaction - Andrew Fierro (Sandia National Laboratories)   (La Puntilla)
2:00 PM Computing properties of Pt surfaces for understanding electron emission - Peter Schultz (Sandia)   (La Puntilla)
2:30 PM
Coffee Break (until 3:00 PM) ()
3:00 PM
Field Emission (until 4:30 PM) (La Puntilla)
3:00 PM The Effects of Non-Uniform Work Functions on Field Emission - Dr Harold Hjalmarson (Sandia National Laboratories)   (La Puntilla)
3:30 PM Imaging Dark Current at Microscale - Prof. Sergey Baryshev (Michigan State University)   (La Puntilla)
4:00 PM Dark current fluctuation measurements in RF structures and pulsed DC experiments - Jan Paszkiewicz (University of Oxford (GB))   (La Puntilla)
5:30 PM
Conference Activity (until 10:00 PM) (La Puntilla)
1:30 PM
Experiments and Diagnostics (until 3:00 PM) (La Puntilla)
1:30 PM High-field measurements with kHz repetition rate, microsecond dc pulses - Iaroslava Profatilova (CERN)   (La Puntilla)
2:00 PM Characteristics and statistics of breakdowns on copper electrodes - Anton Saressalo (Helsinki Institute of Physics (FI))   (La Puntilla)
2:30 PM Sputtering in the heat spike and high-temperature regimes - Kai Nordlund (University of Helsinki)   (La Puntilla)
3:00 PM
Conference Activity (until 3:15 PM) (La Puntilla)
3:15 PM
Coffee Break (until 3:45 PM) ()