Prohlížení České vysoké učení technické v Praze dle názvu

Zobrazují se záznamy 10833-10852 z 56012

    • Experimental and numerical analysis of laminated glass under dynamic loading 

      Autor: Schmidt Jaroslav; Vedoucí práce: Janda Tomáš; Oponent práce: Zeman Jan
      (České vysoké učení technické v Praze. Vypočetní a informační centrum.Czech Technical University in Prague. Computing and Information Centre., 2018-01-05)
      Lepené sklo je vrstvený kompozitní materiál, který je složen ze skleněných vrstev a viskózních polymerních mezivrstev. Kvůli této vrstvené kompozici je mechanická analýza složitá a časově náročná. V minulosti byla sice ...

    • EXPERIMENTAL AND NUMERICAL ASSESSMENT OF A LAST STAGE ST BLADE DAMPING AT LOW LOAD OPERATION 

      Autor: Bessone, Andrea; Carassale, Luigi; Guida, Roberto; Kubín, Zdeněk; Lo Balbo, Antonio Alfio; Brunenghi, Michela Marrè; Pinelli, Lorenzo
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      As LP steam turbines are requested to work at strong part-loads, LSB stalled and unstalled flutter may occur. Testing on a downscaled steam turbine in T10MW test plant have been carried out to measure LSB aggregated damping ...

    • EXPERIMENTAL AND NUMERICAL INVESTIGATION OF CEMENT PASTE MICROSTRUCTURE AND ITS HYDRATION UNDER SHORT-TERM EXPOSURE TO ACETONE 

      Autor: Khmurovska, Yuliia; Štemberk, Petr; Němeček, Jiří; Doleželová, Magdaléna
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2020)
      The solvent exchange methods are commonly used in order to arrest cement hydration reaction. This paper presents preliminary results of experimental investigation of cement paste microstructure under short-term (24 hours) ...

    • Experimental and numerical investigation of radiation-induced volumetric expansion of concrete aggregates 

      Autor: Khmurovska Y.; Fedoriková A.; Aparicio C.; Štemberk P.; Hlaváč Z.; Srba O.
      (Elsevier Science, 2023)
      The radiation-induced volumetric expansion (RIVE) of concrete aggregates is the driving mechanism behind the degradation of the concrete biological shield (CBS) in nuclear power plants (NPPs). The RIVE of concrete aggregates, ...

    • EXPERIMENTAL AND NUMERICAL RESEARCH ON FLOW IN THE LAST STAGE OF 1090MW STEAM TURBINE 

      Autor: Hoznedl, Michal; Sedlák, Kamil
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      The paper deals with experimental and numerical research in the last stage of real 1090MW steam turbine with the last steel blade length 1220mm placed in nuclear power station. The last stage was equipped with twelve static ...

    • EXPERIMENTAL AND NUMERICAL STUDY OF CONTROLLED FLUTTER TESTING IN A LINEAR TURBINE BLADE CASCADE 

      Autor: Sláma, Václav; Rudas, Bartoloměj; Eret, Petr; Tsymbalyuk, Volodymyr; Ira, Jiří; Macalka, Aleš; Pinelli, Lorenzo; Vanti, Federico; Arnone, Andrea; Lo Balbo, Antonio Alfio
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      In this paper, experimental testing of flutter and numerical simulations using a commercial code ANSYS CFX and an in-house code TRAF are performed on an oscillating linear cascade of turbine blades installed in a subsonic ...

    • Experimental and Numerical Study of Viscoelastic Properties of Polymeric Interlayers Used for Laminated Glass: Determination of Material Parameters 

      Autor: Hána T.; Janda T.; Schmidt J.; Zemanová A.; Šejnoha M.; Eliášová M.; Vokáč M.
      (MDPI AG, 2019)
      An accurate material representation of polymeric interlayers in laminated glass panes has proved fundamental for a reliable prediction of their response in both static and dynamic loading regimes. This issue is addressed ...

    • Experimental and simulation study of CO2 breakthrough curves in a fixed-bed adsorption process 

      Autor: Nedoma, Marek; Staf, Marek; Hrdlička, Jan
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      This paper focuses on the laboratory experiments of low-temperature adsorption of CO2 at elevated pressure and on the validation of our mathematical model with the data obtained. The numerical approach uses fitting of ...

    • Experimental and theoretical study on the dynamic stiffness of circular oil hydrostatic shallow recess thrust bearings 

      Autor: Tripkewitz F.A.; Lazák T.; Fritz M.; Stach E.; Weigold M.; Sulitka M.
      (Elsevier, 2023)
      The dynamic stiffness of traditional (deep recess) hydrostatic bearings decreases due to the fluid compressibility between the bearing and a compensation device, e.g., a capillary. Shallow recess bearings, on the other ...

    • Experimental Architectural School in Prague 

      Autor: Anagha Poolothvalappil; Vedoucí práce: Kordovský Petr; Oponent práce: Knytl Luboš
      (České vysoké učení technické v Praze. Vypočetní a informační centrum.Czech Technical University in Prague. Computing and Information Centre., 2022-06-03)
      Experimentální architektonická škola zahrnuje zázemí pro studenty a návštěvníky budovy. Hala 18 byla navržena s designem, který zahrnuje rozmanitost soukromých a veřejných funkcí. Hlavní prostory návrhu zahrnují galerijní ...

    • EXPERIMENTAL CHARACTERIZATION OF A MAGNETOHYDRODYNAMIC POWER GENERATOR UNDER DC ARC PLASMA 

      Autor: Ayeleso Oluwaseun, Ayokunle; Kahn T. E., Mohamed
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      The generation of electric power through the conventional systems (thermal and hydroelectric) is no longer sufficient to meet the increasing industrial and commercial usage. Therefore, an alternative energy conversion ...

    • EXPERIMENTAL CHARACTERIZATION OF AN OVERDENSE PLASMA IN A COMPACT ION SOURCE 

      Autor: Castro , Giuseppe; Mascali , David; Romano , Francesco Paolo; Altana , Carmen; Caliri , Claudia; Celona , Luigi; Di Giugno , Rossella; Gambino , Nadia; Lanaia , Davide; Miracoli , Rosalba; Musumarra , Agatino; Neri , Lorenzo; Torrisi , Giuseppe; Gammino , Santo
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      Electron Cyclotron Resonance Ion Sources (ECRIS) are compact plasma-based machines able to feed particle accelerators with high intensity beams of multi-charged ions. ECRIS plasmas are density-limited, since they are ...

    • Experimental Comparison of a New SAG-IGBT and Conventional DAG-IGBT Structures with LTO Design in terms of Turn-on Performance 

      Autor: Kong, S. T.; Ngwendson, L.
      (České vysoké učení technické v Praze. České centrum IET, 2021)
      n this paper, we compare a new Single Active Gate Trench IGBT(SAG-IGBT) with the conventional Double Active Trench Gate IGBT (DAG-IGBT) structures with the LTO (LOCOS Trench Oxide) technology. ...

    • Experimental Comparison of the Low-Frequency Noise of Small-Size Magnetic Sensors 

      Autor: Vyhnánek J.; Ripka P.
      (IEEE, 2017)
      Small-size ac magnetic-field sensors are used for nondestructive testing (NDT), magnetic particle detection, and other applications, which require high spatial resolution. Up to now, inductive coils dominated this area, ...

    • Experimental determination of component ratio for new hemp-lime based blocks 

      Autor: Rozumek Jakub; Vedoucí práce: Jerman Miloš
      (České vysoké učení technické v Praze. Vypočetní a informační centrum., 2013-06-27)

    • EXPERIMENTAL DETERMINATION OF TEMPERATURES IN SPARK GENERATED BUBBLES OSCILLATING IN WATER 

      Autor: Vokurka , Karel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)
      The surface temperatures of the plasma core in the final stages of the first contraction phase of spark-generated bubbles oscillating under ordinary laboratory conditions in a large expanse of water are determined ...

    • Experimental development of the plate shower heat exchanger to reduce the domestic hot water energy demand 

      Autor: Vavřička R.; Boháč J.; Matuška T.
      (Elsevier, 2022)
      The article describes an experimental development of a new prototype of the horizontal plate shower exchanger for wastewater heat recovery. The prototype is designed so that while achieving the highest possible value of ...

    • Experimental evaluation of aluminothermic welds 

      Autor: Zeman, Lukáš; Valach, Jaroslav; Zlámal, Petr; Krčmářová, Nela; Koudelková, Veronika; Zeman, Jaroslav
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2023)
      The article presents a study of the mechanical processes occurring during the aluminothermic reaction using experimental methods (strain gauges, digital image correlation, thermography, scanning electron microscopy, ...

    • Experimental Evaluation of Ventilation in Dwellings by Tracer Gas CO2 

      Autor: Šťávová Petra; Vedoucí práce: Drkal František
      (České vysoké učení technické v Praze. Vypočetní a informační centrum., 2012-06-06)

    • EXPERIMENTAL EVALUATION OF WEDM MACHINED SURFACE WAVINESS 

      Autor: Mouralova , Katerina; Kovar , Jiri; Houska , Pavel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)
      Wire Electrical Discharge Machining (WEDM) an unconventional machining technology which has become indispensable in many industries. The typical morphology of a surface machined using the electrical discharge technology ...