Now showing items 21-37 of 37

    • Multigroup Approximation of Radiation Transfer in SF6 Arc Plasmas 

      Author: Bartlova , Milada; Aubrecht , Vladimir; Bogatyreva , Nadezhda; Holcman , Vladimir
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      The first order of the method of spherical harmonics (P1-approximation) has been used to evaluate the radiation properties of arc plasmas of various mixtures of SF6 and PTFE ((C2F4)n, polytetrafluoroethylene) in the ...
    • Nuclear Fusion Effects Induced in Intense LaserGenerated Plasmas 

      Author: Torrisi , Lorenzo; Cavallaro , Salvatore; Cutroneo , Mariapompea; Krasa , Josef
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      Deutered polyethylene (CD2)n thin and thick targets were irradiated in high vacuum by infrared laser pulses at 1015W/cm2 intensity. The high laser energy transferred to the polymer generates plasma, expanding in vacuum at ...
    • Pin Hole Discharge Creation in Na2SO4 Water Solutions 

      Author: Hlavatá , Lucie; Serbanescu , Rodica; Hlochová , Lenka; Kozáková , Zdenka; Krčma , František
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      This work deals with the diaphragm discharge generated in water solutions containing Na2SO4 as a supporting electrolyte. The solution conductivity was varied in the range of 270 ÷ 750 µScm-1. The batch plasma reactor with ...
    • Plasma–Surface Interactions Under High Heat and Particle Fluxes 

      Author: Temmerman , Gregory De; Bystrov , Kirill; Liu , Feng; Liu , Wei; Morgan , Thomas; Tanyeli , Irem; Berg , Miranda van den; Xu , Haiyan; Zielinski , Jakub
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      The plasma-surface interactions expected in the divertor of a future fusion reactor are characterized by extreme heat and particle fluxes interacting with the plasma-facing surfaces. Powerful linear plasma generators are ...
    • Positioning of the Precursor Gas Inlet in an Atmospheric Dielectric Barrier Reactor and its Effect on the Quality of Deposited TiOx Thin Film Surface 

      Author: Píchal , Jan; Klenko , Julia
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      Thin film technology has become pervasive in many applications in recent years, but it remains difficult to select the best deposition technique. A further consideration is that, due to ecological demands, we are forced ...
    • Predictive Models in Diagnosis of Alzheimer’s Disease from EEG 

      Author: Tylova , Lucie; Kukal , Jaromir; Vysata , Oldrich
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      The fluctuation of an EEG signal is a useful symptom of EEG quasi-stationarity. Linear predictive models of three types and their prediction error are studied via traditional and robust measures. The resulting EEG ...
    • Proton and radiation of the MicroPinch with the BoronContaining Target 

      Author: Gurin , Anatolii A.; Adamenko , Andrii S.; Adamenko , Stanislav V.; Kuzmenko , Mykola M.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      Using ion pinhole camera and track detectors, the image of hot spot is recorded in a pulsed diode micro-pinch equipped with a solid anode target. The track image is a record of repeated fronts of fast protons with energies ...
    • Stimulated Raman Backscattering in Plasma — a Promising Tool for the Generation of UltraHigh Power Laser Beams 

      Author: Turčičová , Hana; Huynh , Jaroslav
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      In the last fifteen years stimulated Raman backscattering (SRBS) in plasma has been intensively elaborated as a promising tool on the way towards high intense lasers. There are several advantages of this technique in ...
    • Systems of Electronic Overcurrent Protection in Pulse Power Generator Operating on Plasma Load 

      Author: Godun , Dmitriy V.; Bordusov , Sergey. V.; Dostanko , Anatoliy P.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      Schematic peculiarities of pulsed power source and modulator-shaper for working on high instability plasma load are discussed. In its construction should be provided for several levels of overcurrent protection. First of ...
    • The Construction of the Fast Resistive Bolometer for a SXR Measurement on the GIT12 Facility 

      Author: Cikhardt , Jakub; Klír , Daniel; Kubeš , Pavel; Kravárik , Josef; Rezác , Karel; Šíla , Ondrej; Shishlov , Alexander V.; Labetsky , Alexey Yu.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      A lot of kinds of instruments are used for the SXR measurement at pulsed power facilities, but most of them are difficult to calibrate absolutely. For the determination of the energy of SXR radiated by the discharge on ...
    • The Formation of a Power MultiPulse Extreme Ultraviolet Radiation in the Pulse Plasma Diode of Low Pressure 

      Author: Borgun , Ievgeniia V.; Azarenkov , Mykola O.; Hassanein , Ahmed; Tseluyko , Oleksandr F.; Maslov , Vasyl I.; Ryabchikovk , Dmitro L.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      In this paper results are presented on experimental studies of the temporal characteristics of spike extreme ultraviolet (EUV) radiation in the spectral range of 12.2 ÷ 15.8 nm from the anode region of high-current (I = ...
    • The Influence of Nitrogen in Ar+N2 Mixture on Parameters of HighTemperature Device with Electric Arc 

      Author: Jakubova , Ivana; Senk , Josef; Laznickova , Ilona
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      The paper presents the results of numerous experiments carried out on a high temperature device consisting of an arc heater with intensively blasted electric arc and reaction chambers connected to its output. The influence ...
    • The Process of Plasma Chemical Photoresist Film Ashing from the Surface of Silicon Wafers 

      Author: Bordusau , Siarhei; Madveika , Siarhei; Dostanko , Anatolii
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      At present, the research for finding new technical methods of treating materials with plasma, including the development of energy and resource saving technologies for microelectronic manufacturing, is particularly actual.In ...
    • The Research on Atmospheric Pressure Water Vapour Plasma Generation and Application for the Destruction of Wastes 

      Author: Grigaitiene , Viktorija; Tamošiunas , Andrius; Valatkevičius , Pranas
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      In the Lithuanian Energy Institute an experimental atmospheric pressure Ar/water vapour plasma torch has been designed and tested. The power of plasma torch was estimated 40 ÷ 69 kW, the mean temperature of plasma jet at ...
    • Thomson Parabola Spectrometer for Energetic Ions Emitted from Subns Laser Generated Plasmas 

      Author: Cutroneo , Mariapompea; Torrisi , Lorenzo; Ando’ , Lucio; Cavallaro , Salvatore; Ullschmied , Jiri; Krasa , Josef; Margarone , Daniele; Velyhan , Andreji; Pfeifer , Miroslav
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      Laser-generated plasmas were obtained in high vacuum by irradiating micrometric thin films (Au, Au/Mylar, Mylar) with the Asterix laser at the PALS Research Infrastructure in Prague. Irradiations at the fundamental wavelength, ...
    • Velikhov Electrothermal Instability Cancellation by a Modification of Electrical Conductivity Value in a Streamer by Magnetic Confinement 

      Author: Petit , Jean P.; Dore , Jean C.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      We present a method, confirmed experimentally, allowing the cancellation of Velikhov instability by operating a local magnetic field reduction along a lane, which enhances local electric conductivity and electron-gas ...
    • Xray Spectroscopic Characterization of ShockIgnitionRelevant plasmas 

      Author: Šmíd , Michal; Antonelli , Luca; Renner , Oldoich
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      Experiments with multilayer plastic/Cu targets performed at a PALS laser system aimed at the study of matter at conditions relevant to a shock ignition ICF scheme, and, in particular, at the investigation of hot electrons ...