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Zobrazují se záznamy 814-833 z 1843

    • ICECUBE OBSERVATORY: NEUTRINOS AND THE ORIGIN OF COSMIC RAYS 

      Autor: Desiati, Paolo
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      The completed IceCube Observatory, the first km3 neutrino telescope, is already providing the most stringent limits on the flux of high energy cosmic neutrinos from point-like and diffuse galactic and extra-galactic sources. ...

    • Idealized Compression Ratio for a Screw Briquetting Press 

      Autor: Biath , Peter; Ondruška , Juraj
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      This paper deals with issues in determining the ideal compression ratio for a screw briquetting press. First, the principles of operation and a basic description of the main parts of a screw briquetting press are introduced. ...

    • IDENTIFICATION OF DAMAGED ZONES IN C/PPS SPECIMENS SUBJECTED TO FATIGUE LOADING BASED ON HIGH-RESOLUTION THERMOGRAPHY 

      Autor: Koudelka, Petr; Kytýř, Daniel; Fenclová, Nela; Šperl, Martin
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)
      In this study high resolution thermography is used for identification of damaged zones in Carbon fiber/polyphenylene sulfide (C/PPS) long fiber composite specimens with induced impact damage subjected to tensile fatigue ...

    • Ignition Features of Plasma-Beam Discharge in Gas-Discharge Electron Gun Operation 

      Autor: Tutyk , Valery A.; Ovcharuk , Anatoliy N.; Gasik , Michail I.; Maslenikov , Dmitriy V.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      The current paper presents the results of experimental researches to determine the mode features of plasma-beam discharge (PBD) generation by an electron beam injected by a low-vacuum gasdischarge electron gun (LGEG) with ...

    • IMAGE SYNTHESIS OF METAL FOAM MICRO-STRUCTURE WITH THE USE OF WANG TILES 

      Autor: Zrůbek, Lukáš; Doškář, Martin; Kučerová, Anna; Meneses-Guzmán, Marcela; Rodríguez-Méndez, Francisco; Chiné, Bruno
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      In this paper we present our recent work focused on the analysis of the abilities of Wang Tiles method and Automatic tile design method to synthesize the micro-structure of cellular materials, especially particular type ...

    • IMITATING NEUTRON IRRADIATION DAMAGE USING A COMBINATION OF ION BEAMS 

      Autor: Šísl, Václav; Ševeček, Martin
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      There is a strong motivation for using ion beams to imitate neutron irradiation damage, mainly in order to reduce costs and time demands linked to neutron irradiation experiments. The long-term goal of the authors is to ...

    • IMMOBILISATION OF HUMIC SUBSTANCES USING PLASMA MODIFICATION 

      Autor: Hájková , Pavlína; Tichý , David; Čmelík , Jiří; Antoš , Petr
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      This paper presents a study of the immobilization of humic substances (HSs) on a polypropylene (PP) nonwoven fabric. In order to attach the HSs, the PP nonwoven fabric was modified in a volume of nonthermal atmospheric ...

    • IMPACT ASSESSMENT OF IMAGE FEATURE EXTRACTORS ON THE PERFORMANCE OF SLAM SYSTEMS 

      Autor: Pire, Taihú; Fischer, Thomas; Faigl, Jan
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      This work evaluates an impact of image feature extractors on the performance of a visual SLAM method in terms of pose accuracy and computational requirements. In particular, the S-PTAM (Stereo Parallel Tracking and Mapping) ...

    • IMPACT OF PLASTIC DEFORMATION ON THE PROPERTIES OF A SELECTED ALUMINIUM ALLOY 

      Autor: Lišková , Anna; Lacková , Petra; Mihaliková , Mária; Kočiško , Róbert
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)
      This paper reports on an experiment to assess the influence of plastic deformation on the microstructure and properties of EN AW 6012 (AlMgSiPb) aluminium alloy in two states. The first was the initial state with heat ...

    • IMPACT OF STRAIN RATE ON MICROALLOYED STEEL SHEET BREAKING 

      Autor: Mihaliková , Mária; Német , Miroslav; Vojtko , Marek
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2014)
      Strain rate is a significant external factor and its influence on material behavior in forming process is a function of its internal structure. The contribution is analysis of the impact of loading rate from 1.6 x 10-4 ...

    • IMPACT OF THE CHEMICAL FORM OF IN-CONTAINMENT SOURCE ON FISSION PRODUCT RELEASE FROM WWER-1000/V-320 TYPE NPP CONTAINMENT DURING LOCA 

      Autor: Kecek, Adam
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)
      Nuclear power plant accidents may be followed by a release of fission products into the environment. This release is dependent on several phenomena, such as chemistry, pressure, type of the accident etc. The aim of this ...

    • IMPACT TESTING OF ORDNANCE GELATINE UNDER MODERATE STRAIN RATE CONDITIONS 

      Autor: Doktor, Tomáš; Zlámal, Petr; Šleichrt, Jan; Fíla, Tomáš; Kytýř, Daniel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      An experimental study on energy absorption capabilities and strain rate sensitivity of ordnance gelatine was performed. Strain energy density under quasi static compression and moderate strain rate impact tests was compared. ...

    • IMPLEMENTATION OF 3D VOF TRACKING ALGORITHM BASED ON BINARY SPACE-PARTITIONING 

      Autor: Kolařík , Filip; Patzák , Bořek
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)
      The paper focuses on modelling free surface flow. The interface is modelled using the Volume-Of-Fluid method, where the advection of volume fractions is treated by a purely geometrical method. The novelty of the work lies ...

    • Implementation of positive energy district concepts and energy master plans for decarbonization of districts 

      Autor: Haase, Matthias; Baer, Daniela
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      In order to achieve a holistic approach to community energy planning for neighbourhoods and districts, it is crucial to provide planners, decision makers, and stakeholders with the necessary methods and instruments. However, ...

    • Implication of climate changes on design of structures 

      Autor: Markova, Jana; Sýkora, Miroslav; Nadolski, Vitali
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      The climatic data on which the current generation of the Eurocodes are based are mostly about 20 years old, with some exceptions of recent updates at a national level. The second generation of the Eurocodes for structural ...

    • IMPORTANCE OF A TYPE OF GATING SYSTEM IN INVESTMENT CASTING TECHNOLOGY 

      Autor: Vrátný , Ondřej; Herman , Aleš
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)
      At present, there is an increasing demand for the Investment casting technology. It is necessary to ensure their dimensional accuracy as well as internal quality and their desired macrostructure and microstructure. This ...

    • Improvement mechanism of recycled concrete using C-S-H type accelerator and modifying recycled aggregate by carbonation technology 

      Autor: Shibuya, Akari; Matsuda, Nobuhiro; Iyoda, Takeshi
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      In Japan, there is concern that concrete blocks due to demolition will increase with the renewal of concrete structures. Although it has been used for roadbed materials as recycling, in recent years, aggregates are removed ...

    • IMPROVEMENT OF ENERGY CONSUMPTION IN SPECTRUM SENSING COGNITIVE RADIO NETWORKS USING AN EFFICIENT TWO STAGE SENSING METHOD 

      Autor: Abdullah Najem, Hikmat; Abed Sami, Hadeel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)
      Cognitive radio (CR) is a wireless technology developed to improve the usage in the spectrum frequency. Energy consumption is considered as a big problem in this technology, especially during a spectrum sensing. In this ...

    • IMPROVEMENT OF MACHINE SAFETY DEVICES 

      Autor: Hevko Matviiovych, Bohdan; Hevko Bohdanovych, Roman; Klendii Mykolaivna, Oleksandra; Buriak Vasyliovych, Mykola; Dzyadykevych Volodymyrovych, Yurii; Rozum Ivanovych, Ruslan
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      The article presents a development of new machine safety devices, which provide protection of operating elements from overload. Theoretical calculations have been made in order to determine the optimum design, kinematic ...

    • Improvement of spectrum sensing performance in cognitive radio using modified hybrid sensing method 

      Autor: Abed, Hadeel S.; Abdullah, Hikmat N.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      Cognitive radio (CR) is a wireless technology for increasing the bandwidth usage. Spectrum sensing (SS) is the first step in CR. There are three basic techniques in SS, energy detection (ED), matched filter (MF), and ...