Zobrazují se záznamy 275-294 z 2019

    • CALCULATION OF SEISMICALLY LOADED EARTH RETAINING STRUCTURES 

      Autor: Pruška, Jan; Pavelcová, Veronika
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      Eurocode 1998-5 for the design of earth retaining structures in seismic conditions describes calculations using the Mononobe-Okabe method. This simplified quasi-static procedure is to some extent very conservative. The ...
    • CALCULATION OF STRESS AND DEFORMATION IN FUEL ROD CLADDING DURING PELLET-CLADDING INTERACTION 

      Autor: Halabuk , Dávid; Martinec , Jiří
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      The elementary parts of every fuel assembly, and thus of the reactor core, are fuel rods. The main function of cladding is hermetic separation of nuclear fuel from coolant. The fuel rod works in very specific and difficult ...
    • Calculation of the Inductance of Plasma Column at PF-1000 Device with Assumed Current Distribution 

      Autor: Kortanek , Jiri; Kubes , Pavel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      Processed data is taken from the D-D fusion reaction experiments on PF-1000 at IFPILM Warsaw, operating with 2 MA, 1011 neutron yield, using interferometry, temporal resolved neutron diagnostics, magnetic probe diagnostics ...
    • Calculation of the minimal length of the high-speed line 

      Autor: Nachtigall, Petr; Tischer, Erik
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      This paper explores the minimum length of continuous sections of the high-speed line. The minimum length is examined in terms of the maximum speed of high-speed vehicles. Both traditional trainsets consisting of traction ...
    • CALCULATION UNCERTAINTIES IN SPENT FUEL INVENTORY DETERMINATION 

      Autor: Czakoj, Tomas; Frybort, Jan; Lovecky, Martin
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      In the depletion calculation of the nuclear fuel, the uncertainty is of utmost importance, as it affects the uncertainty of the subsequent calculation, when the calculated composition is used. The calculations are even ...
    • CALCULATIONS OF ION TRAJECTORIES AT MAGNETOPLASMA SEPARATION AND EXPERIMENTS WITH POLYATOMIC GASES 

      Autor: Yuferov , Vladimir; Shariy , Sergey; Tkachova , Tetiana; Katrechko , Vyacheslav; Svichkar , Alexander; Ilichova , Vira; Shvets , Mykhailo; Mufel , Evgen
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)
      Calculated trajectories of ions with different masses, indicating the possibility of a mixture separation, are obtained. Comparative experiments for plasma of monatomic and polyatomic gases (Ar, N2, CO2), upon combination ...
    • Calibration of a summer building simulation model based on monitoring of user behaviour 

      Autor: Szagri, Dóra; Kairlapova, Ainur; Nagy, Balázs; Szalay, Zsuzsa
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      Occupant behaviour is a field, that has always been of great interest to researchers. It could significantly modify the operation of the building and the user’s energy needs, and it is also difficult to model it according ...
    • CALIBRATION OF BTT MEASUREMENT WITH RESPECT TO SENSOR POSITION OVER SHROUDED LSB 

      Autor: Dadáková, Tereza; Kubín, Zdeněk
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      In order to increase efficiency and reliability of steam turbines, last stage blades are equipped with mid-span tie-boss and shroud. We can use Blade Tip-Timing method (BTT) to measure vibration of shrouded blades, but the ...
    • CALIBRATION OF INPUT PARAMETER VALUES FOR AN ADVANCED MATERIAL MODEL OF SPRAYED CONCRETE 

      Autor: Závacký, Martin; Chalmovský, Juraj; Miča, Lumír; Bílek, Petr
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      The paper briefly presents an advanced material model for shotcrete involving many aspects of the actual behavior of concrete. However, the contribution is focused on determination and calibration of selected input parameter ...
    • CAN ONE REALLY STUDY CHAOS ANALYTICALLY? 

      Autor: Lee Howard, M.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2014)
      One generally thinks that chaos can be studied only numerically by aid of the computer. It is however suggested by the theorem of Sharkovskii and Li and Yorke that in Id continuous maps analytical studies are possible. How ...
    • CANT EXCESS AND CANT DEFICIENCY EVALUATION IN RELATION TO TRAIN SPEED 

      Autor: Valehrach, Jan; Říha, Tomáš; Dušek, Erik
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)
      The paper deals with the evaluation of measured speeds of the vehicles on the chosen sections of the railway network in the Czech Republic. In connection with the phased implementation of the AVV system (automatic train ...
    • Case study: Dosimetric comparison of VMAT, IMRT and 3DCRT techniques for left-sided breast cancer treated in deep inspiration breath-hold 

      Autor: Hanušová, Tereza
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2023)
      The aim of this case study was to compare 3D conformal radiotherapy (3DCRT) plans for patients treated for left-sided breast cancer (whole breast without positive lymph nodes in deep inspiration breath-hold (DIBH)) to ...
    • Cataclysmic Variables from SDSS: A Review and A Look Forward to LSST 

      Autor: Szkody, P.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      The past and current projects of the Sloan Digital Sky Survey are reviewed in the context of applicability and results for cataclysmic variables. Ongoing and future time domain surveys that will have impact on the field ...
    • Catalogue of construction products containing secondary raw materials from different industries and municipal waste 

      Autor: Pavlů, Tereza; Pešta, Jan; Volf, Martin; Lupíšek, Antonín
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      The building industry consumes a large amount of primary raw materials and also contributes significantly to the production of waste. Applying circular principles in this field to reduce resource consumption and waste ...
    • CAUSES, DIRECTIONS AND CONSEQUIENCES OF THE TRANSFORMATION OF A LINEAR – MULTI-STAGE MODEL OF INTERNATIONAL ECOPNOMIC INTEGRATION IN THE PERIOD OF GLOBALIZATION 

      Autor: Voronina, T.
      (Willenberg Foundation - CTU, 2014)
      Globalization, intensified internationalization of the world economy, an incomplete multi-sided trade system (WTO), the need for sustainable economic growth and challenges of innovative development bring essential ...
    • Cavitation wear of Eurofer 97, Cr18Ni10Ti and 42HNM alloys 

      Autor: Rostova, Hanna; Voyevodin, Victor; Vasilenko, Ruslan; Kolodiy, Igor; Kovalenko, Vladimir; Marinin, Vladimir; Zuyok, Valeriy; Kuprin, Alexander
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      The microstructure, hardness and cavitation wear of Eurofer 97, Cr18Ni10Ti and 42HNM have been investigated. It was revealed that the cavitation resistance of the 42HNM alloy is by an order of magnitude higher than that ...
    • CELL-CENTERED LAGRANGIAN LAX-WENDROFF HLL HYBRID SCHEME ON UNSTRUCTURED MESHES 

      Autor: Fridrich, David; Liska, Richard; Tarant, Ivan; Váchal, Pavel; Wendroff, Burton
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      We have recently introduced a new cell-centered Lax-Wendroff HLL hybrid scheme for Lagrangian hydrodynamics [Fridrich et al. J. Comp. Phys. 326 (2016) 878-892] with results presented only on logical rectangular quadrilateral ...
    • CEMENT MATRIX CONTAINING MICRONIZED RECYCLED CONCRETE AND THE INFLUENCE OF ADDITIVES 

      Autor: Ďureje, Jakub; Prošek, Zdeněk; Hrůza, Jaromír; Tesárek, Pavel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      The article deals with the selection of a suitable additives in cement composite material for the production of a masonry block. The blocks contains recycled concrete which replacing 40% cement. The recyclate comes from ...
    • CEMENT PASTE CONTAINING MICRONIZED RECYCLED CONCRETE - INFLUENCE OF HARDENING ACCELERATORS ON THE MODULUS OF ELASTICITY 

      Autor: Ďureje, Jakub; Prošek, Zdeněk
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2020)
      The article deals with the selection of a suitable hardening accelerator for cement composite material for mass production of masonry blocks. The blocks contain cement and finely ground recycled concrete in ratio 1:1. Three ...
    • CFD ANALYSIS OF THE SPACER GRIDS AND MIXING VANES EFFECT ON THE FLOW IN THE CHOSEN PART OF THE TVSA-T FUEL ASSEMBLY 

      Autor: Juklíček , Jakub; Železný , Václav
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      CFD is a promising and widely spread tool for a flow simulation in nuclear reactor fuel assemblies. One of the limiting factors is the complicated geometry of a spacer grid. It leads to the computational mesh with high ...