Prohlížení Ústřední knihovna ČVUT dle názvu

Zobrazují se záznamy 596-615 z 2019

    • EIGENVALUE COLLISION FOR PT-SYMMETRIC WAVEGUIDE 

      Autor: Borisov , Denis
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2014)
      We consider a model of a planar PT-symmetric waveguide and study the phenomenon of the eigenvalue collision under perturbation of the boundary conditions. This phenomenon was discovered numerically in previous works. The ...

    • EIGENVALUES EVALUATION OF GENERALLY DAMPED ELASTIC DISC BRAKE MODEL LOADED WITH NON-CONSERVATIVE FRICTION FORCE 

      Autor: Úradníček , Juraj; Musil , Miloš; Bachratý , Michal
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2020)
      This paper deals with the evaluation of eigenvalues of a linear damped elastic two-degrees-of-freedom system under a non- onservative loading. As a physical interpretation of a proposed mathematical model, a simplified ...

    • ELASTO-KINEMATIC COMPUTATIONAL MODEL OF SUSPENSION WITH FLEXIBLE SUPPORTING ELEMENTS 

      Autor: Vrána , Tomáš; Bradáč , Josef; Kovanda , Jan
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)
      This paper analyzes the impact of flexibility of individual supporting elements of independent suspension on its elasto-kinematic characteristics. The toe and camber angle are the geometric parameters of the suspension, ...

    • ELECTRICAL AND THERMODYNAMIC PROPERTIES OF A COLLAGEN SOLUTION 

      Autor: Štancl , Jaromír; Skočilas , Jan; Landfeld , Aleš; Žitný , Rudolf; Houška , Milan
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)
      This paper focuses on measurements of the electrical properties, the specific heat capacity and the thermal conductivity of a collagen solution (7.19% mass fraction of native bovine collagen in water). The results of our ...

    • ELECTRICAL PROPERTIES OF FLY ASH GEOPOLYMER COMPOSITES WITH GRAPHITE CONDUCTIVE ADMIXTURES 

      Autor: Mizerová, Celílie; Kusák, Ivo; Rovnaník, Pavel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)
      Construction materials with increased electrical conductivity could be possibly used in health monitoring of structures (stress, deformation, damages), their maintenance or traffic monitoring. The aim of this study was the ...

    • ELECTRODYNAMIC LOUDSPEAKER-DRIVEN ACOUSTIC COMPRESSOR 

      Autor: Šoltés , Martin; Červenka , Milan
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      An acoustic compressor is  built  using the acoustic resonator which shape was optimized for a maximum acoustic pressure amplitude and a low-cost compression driver.  Acoustic compressor is built  by installing  a suction ...

    • Electron Acceleration in Supernovae and Millimeter Perspectives 

      Autor: Maeda, Keiichi
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2014)
      Supernovae launch a strong shock wave by the interaction of the expanding ejecta and surrounding circumstellar matter (CSM). At the shock, electrons are accelerated to relativistic speed, creating observed synchrotron ...

    • ELECTRON RADIATION EFFECT ON INDENTATION CREEP OF CONSTRUCTION POLYMERS 

      Autor: Ovsík, Martin; Staněk, Michal; Dočkal, Adam; Fluxa, Petr
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2020)
      Cross-linking is a process in which polymer chains are associated through chemical bonds. Radiation, which penetrated through specimens and reacted with the cross-linking agent, gradually formed cross-linking (3D net), ...

    • ELECTROSTATIC ION THRUSTERS - TOWARDS PREDICTIVE MODELING 

      Autor: Duras , Julia; Kalentev , Oleksander; Schneider , Ralf; Matyash , Konstantin; Lüskow Felix, Karl; Geiser , Jürgen
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      For satellite missions, thrusters have to be qualified in large vacuum vessels to simulate space environment. One caveat of these experiments is the possible  modification of the beam properties due to the interaction of ...

    • ELIMED: MEDICAL APPLICATION AT ELI-BEAMLINES. STATUS OF THE COLLABORATION AND FIRST RESULTS 

      Autor: Schillaci , Francesco; Cirrone A. P., Giuseppe; Korn , George; Maggiore , Mario; Margarone , Daniele; Calabretta , Luciano; Cavallaro , Salvatore; Cuttone , Giacomo; Gammino , Santo; Krasa , Josef; Prokupek , Jan; Velyhan , Andriy; Renis , Marcella; Romano , Francesco; Tomasello , Barbara; Torrisi , Lorenzo; Cutroneo , Mariapompea; Tramontana , Antonella
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2014)
      ELI-Beamlines is one of the four pillars of the ELI (Extreme Light Infrastructure) pan-European project. It will be an ultrahigh-intensity, high repetition-rate, femtosecond laser facility whose main goal is to generate ...

    • Emittance Characterization of Ion Beams Provided by Laser Plasma 

      Autor: Velardi, Luciano; Side, Domenico Delle; Marco, Massimo De; Nassisi, Vincenzo
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      Laser ion sources offer the possibility to obtain ion beams useful for particle accelerators. Nanosecond pulsed lasers at intensities of the order of 108 W/cm2, interacting with solid matter in a vacuum, produce plasma of ...

    • Emmy Noether and Linear Evolution Equations 

      Autor: Leach , P. G. L.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      Noether’s Theorem relates the Action Integral of a Lagrangian with symmetries which leave it invariant and the first integrals consequent upon the variational principle and the existence of the symmetries. These each have ...

    • EMPLOYMENT, PRODUCTION AND CONSUMPTION WITH RANDOM UPDATE: NON-EQUILIBRIUM STATIONARY STATE EQUATIONS 

      Autor: Lavička , Hynek; Novotný , Jan
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      In this work, we investigate the Model of Employment, Production and Consumption, as introduced in a series of papers by I. Wright [1–3] from the perspective of statistical physics, and we focus on the presence of equilibrium. ...

    • Energetic Approach to Large Strain Gradient Crystal Plasticity 

      Autor: Kratochvíl , Jan; Kružík , Martin
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      We formulate a problem of the evolution of elasto-plastic materials subjected to external loads in the framework of large deformations and multiplicative plasticity. We focus on a spontaneous inhomogenization interpreted ...

    • Energy Accumulation by Hydrogen Technologies 

      Autor: Čermáková , Jiřina; Doucek , Aleš; Polák , Lukáš
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      Photovoltaic power plants as a renewable energy source have been receiving rapidly growing attention in the Czech Republic and in the other EU countries. This rapid development of photovoltaic sources is having a negative ...

    • Energy consumption optimization for thermal energy harvester applications 

      Autor: Teplý T.; Janíček V.; Novák J.; Husák M.; Bouřa A.
      (Západočeská univerzita v Plzni, 2020)
      This paper demonstrates the concept of node consumption reduction for IoT applications. The main emphasis is placed on the autonomy of the whole device, which must be independent of external power supply. That is why energy ...

    • ENERGY EFFICIENCY OF PLANAR DISCHARGE FOR INDUSTRIAL APPLICATIONS 

      Autor: Kelar , Jakub; Čech , Jan; Slavíček , Pavel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      Diffuse Coplanar Surface Barrier Discharge has proven its capabilities as an industry-ready plasma source for fast, in-line and efficient plasma treatment at atmospheric pressure. One parameter required by industry is ...

    • Energy Estimation of Distributed Phase-shift Beamforming 

      Autor: Černý , Viktor
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      Ad-hoc and sensor networks are composed of small, low-power devices, which can connect between themselves without the help of an infrastructure. Research in this area has been both extensive and intensive and is still very ...

    • Energy flows along the production and use of secondary materials with a special focus on concrete 

      Autor: Gruhler, Karin; Schiller, Georg
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      Urban mining in the existing building stock can contribute to securing raw materials and conserving natural resources if the potential of recycling construction waste is consistently exploited. From an ecological point of ...

    • ENERGY GAIN FROM ERROR-CORRECTING CODING IN CHANNELS WITH GROUPING ERRORS 

      Autor: Kuznetsov , Alexandr; Oleshko , Oleg; Kuznetsova , Kateryna
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2020)
      Abstract. This article explores the a mathematical model of the a data transmission channel with errors grouping. We propose an estimating method for energy gain from coding and energy efficiency of binary codes in channels ...