Zobrazují se záznamy 1543-1562 z 2019

    • RESIDUAL HEAT ESTIMATION OF NUCLEAR FUEL IN ENERGY WELL REACTOR 

      Autor: Šošková, Jana; Dambrosio, Antonio; Mazzini, Guido; Ruščák, Marek
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)
      Energy Well (EW) is a concept of a small modular reactor, designed as a source of energy for places with low infrastructure. Its design combines TRISO fuel particles, graphite moderator and molten salt coolant. One of key ...
    • RESIDUAL HEAT POWER REMOVAL FROM SPENT NUCLEAR FUEL DURING DRY AND WET STORAGE 

      Autor: Vlček, Daniel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      This project deals with the thermal analyses of the wet and dry storages of the spent nuclear fuel. The dry spent fuel storage sub-channel code COBRA-SFS has been used in order to calculate the temperature field. In this ...
    • RESIDUAL PROPERTIES OF FIBER-REINFORCED REFRACTORY COMPOSITES WITH A FIRECLAY FILLER 

      Autor: Jogl , Marcel; Reiterman , Pavel; Holčapek , Ondřej; Koťátková , Jaroslava; Konvalinka , Petr
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)
      The aim of our study was to develop a composite material for industrial use that is resistant to the effect of high temperatures. The binder system based on aluminous cement was modified by adding finely-ground ceramic ...
    • RESISTANCE OF MORTARS WITH GYPSUM, LIME AND COMPOSITE BINDERS AGAINST MOLDS 

      Autor: Krejsová, Jitka; Doleželová, Magdaléna
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)
      Resistance of three mortars (the lime mortar, the gypsum mortar and the mortar with the composite binder) against molds was evaluated. Mortars were also compared according to their pH, bulk density, strength and porosity. ...
    • Resistance Spot Welding of dissimilar Steels 

      Autor: Kolařík , Ladislav; Sahul , Miroslav; Kolaříková , Marie; Sahul , Martin; Turňa , Milan; Felix , Michal
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      This paper presents an analysis of the properties of resistance spot welds between low carbon steel and austenitic CrNi stainless steel. The thickness of the welded dissimilar materials was 2 mm. A DeltaSpot welding gun ...
    • RESONANCES ON HEDGEHOG MANIFOLDS 

      Autor: Exner , Pavel; Lipovský , Jiří
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      We discuss resonances for a nonrelativistic and spinless quantum particle confined to a two- or three-dimensional Riemannian manifold to which a finite number of semiinfinite leads is attached. Resolvent and scattering ...
    • RESONANT SWITCH MODEL OF HF QPOS AND EQUATIONS OF STATE OF NEUTRON STARS AND QUARK STARS 

      Autor: Stuchlík , Zdenek; Urbanec , Martin; Kotrlová , Andrea; Török , Gabriel; Goluchová , Katerina
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2014)
      The mass and spin estimates of the 4U 1636−53 neutron star obtained by the Resonant Switch (RS) model of high-frequency quasi-periodic oscillations (HF QPOs) are tested by a large variety of equations of state (EoS) governing ...
    • RESPONSE AND DAMAGE EVOLUTION OF SINGLE EDGE NOTCHED TIMBER BEAMS UNDER THREE-POINT BENDING 

      Autor: Šmídová, Eliška; Kabele, Petr; Šejnoha, Michal
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2020)
      Two groups of small-size single edge notched beams (SENB) made of European spruce (Picea abies) were tested in three-point bending (3PB) until failure under displacement control. The first group comprised of eight solid ...
    • RESPONSE OF HIGH-PERFORMANCE FIBRE REINFORCED CONCRETE REINFORCED BY TEXTILE REINFORCEMENT TO IMPACT LOADING 

      Autor: Vogel, Filip; Holčapek, Ondřej; Konvalinka, Petr
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)
      Generally, cement composites like high-performance concrete (HPC) are very brittle. The resistance to the impact loading of the HPFRC and the HPFRC reinforced by the textile reinforcement are compared in this article. The ...
    • Response of the ultra high performance concrete under dynamic compressive loading 

      Autor: Krčmářová, Nela; Falta, Jan; Fíla, Tomáš; Čítek, David
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2023)
      Ultra high performance concrete is a modern cementitious material which exhibits excellent mechanical properties such as damage tolerance, fracture toughness and durability. These features make this materials suitable for ...
    • RESULTS FROM LHCF EXPERIMENT 

      Autor: Tricomi, Alessia
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      The LHCf experiment has taken data in 2009 and 2010 p–p collisions at LHC at √s = 0.9TeV and √s = 7TeV. In this paper the most up-to-date results on the inclusive photon spectra and the π0 spectra measured by LHCf are ...
    • RESULTS FROM THE XENON100 EXPERIMENT 

      Autor: Persiani, Rino
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      The XENON program consists in operating and developing double-phase time projection chambers using liquid xenon as the target material. It aims to directly detect dark matter in the form of WIMPs via their elastic scattering ...
    • Results of research on backlash compensation in a power electric drive by low-power electronic device 

      Autor: Samsonovich, Semen L.; Fedotov, Boris K.; Rozhnin, Nikolay B.; Goryunov, Roman V.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      This article considers the feasibility of restoring and maintaining the kinematic accuracy of the support-rotary device drives by introducing a backlash compensation device into the control system. The power electromechanical ...
    • Return mapping scheme for the Hoek-Brown model with tension cut-off 

      Autor: Žalská, Tereza; Šejnoha, Michal
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2023)
      The present paper revisits a stress update procedure for the Hoek-Brown plasticity model enhanced by a Rankine type of tension cut-off failure criterion. Limiting tensile stresses not only supports the behavior of weak ...
    • Reverse engineering of pump as turbine for CFD analysis 

      Autor: Souček, Jiří; Bílková, Eva; Nowak, Petr
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2024)
      Reverse engineering (RE) using 3D scanning is already a relatively technologically simple and cost-effective method. For water turbines, this is particularly true for RE of larger machines. With microturbines, there is a ...
    • Review and analysis of existing methods to assess the Indoor Environmental Quality (IEQ) for office buildings 

      Autor: de Castro Jacinto, Cláudia; de Paula Junior, Adilson Campos; Silva, Sandra Maria Gomes Monteiro; Mateus, Ricardo Filipe Mesquita Silva
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      Population in developed countries spend most of their time indoors, whether in their homes, workplaces, stores or leisure areas. Due to the COVID-19 pandemic, this situation worsened and now, more than ever, the importance ...
    • Review of sunlight exposure of buildings in Central Europe climatic conditions 

      Autor: Vychytil, Jaroslav; Mohelníková, Jitka
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      The sunlight exposure represents one of key parameters of indoor climate comfort. The evaluation of sunlight access into buildings is based on a methodology of European standard EN 17037. The methodology is focused on ...
    • Revitalizace institucionálního repozitáře "digitální knihovna ČVUT" 

      Autor: Kováříková, Helena; Prajer, Ivo
      (2021)
      Prezentace přednesená na Poradě pracovníků pověřených správou dílčích knihoven na katedrách a ústavech ČVUT 11. října 2021
    • RIGHTING OF CHINESE MITTEN CRABS (ERIOCHEIR SINENSIS) AND THEIR MODELS 

      Autor: Riphaus, Tobias; Hoffmann, Florian; Labisch, Susanna
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)
      The usage of unmanned underwater vehicles for marine tasks is continuously growing and bioinspired stabilizing systems shall help them to gain and keep a stable position during work. Therefore the righting maneuver of E. ...
    • Risk based maintenance for Swiss railway bridges: concept, implementation and first experiences 

      Autor: Proske, Dirk; Payeur, Jean-Baptiste; Girardin, Blaise; Friedl, Herbert
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      The Swiss Federal Railway (SBB) has an inventory of approx. 6,000 bridges. So far, condition classes of the individual bridges have been used for maintenance management. To improve the efficiency of the maintenance management, ...