Zobrazují se záznamy 885-904 z 2019

    • 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 ...
    • Improving information literacy at the Czech Technical University in Prague: support of education and research 

      Autor: Pilecká, Věra; Tichá, Ludmila
      (ISAST, 2012-10)
      The paper presents the activities of the Central Library of the Czech Technical University in Prague (CTU), which was created by a merger of independent faculty libraries in 2009. The library’s key role lies in supporting ...
    • Improving QoS in mobile multimedia streaming with SCTP-PQ 

      Autor: Hüseynli, Alisettar; Şimşek, Mehmet; Akcayol, M. Ali
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2023)
      The Stream Control Transmission Protocol (SCTP) is often the preferred transport layer protocol in streaming applications. This protocol combines the best aspects of Transmission Control Protocol (TCP) and User Datagram ...
    • IMPROVING SPECIFIC POWER CONSUMPTION FOR MECHANICAL MIXING OF THE FEEDSTOCK IN A BIOGAS FERMENTER BY MECHANICAL DISINTEGRATION OF LIGNOCELLULOSE BIOMASS 

      Autor: Kratky , Lukas; Jirout , Tomáš
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2014)
      Lignocellulosic biomass particles in biogas fermenter batch either sediment towards vessel bottom or rise towards batch surface, where they float and form a compact thick scum. These processes have primarily the negative ...
    • Improving the efficiency of a steam power plant cycle by integrating a rotary indirect dryer 

      Autor: Sabatini, Michel; Havlík, Jan; Dlouhý, Tomáš
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      This article deals with the integration of a rotary indirect dryer, heated by low pressure extraction steam, into the Rankine cycle. The article evaluates the power generation efficiency of a steam power plant, with an ...
    • Improving the energy efficiency of a tram’s running gear 

      Autor: Semenov, Stanislav; Mikhailov, Evgeny; Kliuiev, Sergii; Dižo, Ján; Blatnický, Miroslav; Ishchuk, Vadym
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2023)
      This research analyses the influence of some design features of an undercarriage of a tram on the energy efficiency in terms of mechanical energy losses during its operation. The work includes the comparison of results of ...
    • Improving the properties of unburned earth to control the interior microclimate 

      Autor: Procházka, Michal; Zušťák, Zbyněk; Svoboda, Pavel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      The article concerns the problematics of unburned earth used as material for moulding formwork or clay plaster with lowered contraction, especially about interior unburned earth plaster with the heightened percentage of ...
    • In memory of Alois Apfelbeck: An Interconnection between Cayley-Eisenstein-Pólya and Landau Probability Distributions 

      Autor: Vojta , Vladimír
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      The interconnection between the Cayley-Eisenstein-Pólya distribution and the Landau distribution is studied, and possibly new transform pairs for the Laplace and Mellin transform and integral expressions for the Lambert W ...
    • IN-CYLINDER MASS FLOW ESTIMATION AND MANIFOLD PRESSURE DYNAMICS FOR STATE PREDICTION IN SI ENGINES 

      Autor: Sławomir , Wojnar; Rohal-Ilkiv , Boris; Šimončic , Peter; Honek , Marek; Jozef , Csambál
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2014)
      The aim of this paper is to present a simple model of the intake manifold dynamics of a spark ignition (SI) engine and its possible application for estimation and control purposes. We focus on pressure dynamics, which may ...
    • IN-SERVICE REMEDIATION OF A RAILWAY EMBANKMENT TO PREVENT SETTLEMENT 

      Autor: Grepl, Jan
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)
      After optimization of the railway geometry for higher speed, a continuous settlement of the track occurred. Improvement of the embankment body was needed; however, a complete traffic interruption was not allowed. The ...
    • IN-SITU COMPRESSION TEST OF ARTIFICIAL BONE FOAMS IN CONTROLLED ENVIRONMENT USING X-RAY MICRO-COMPUTED TOMOGRAPHY 

      Autor: Glinz, Jonathan; Kytýř, Daniel; Fíla, Tomáš; Šleichrt, Jan; Schrempf, Andreas; Fürst, David; Kastner, Johann; Senck, Sascha
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)
      In this study, we investigated specimens of artificial bone foams, developed by the research group for surgical simulators at the UAS Linz, which are used to mimic the haptic feedback of physiologic and pathologic bone for ...
    • Inactivation of Candida albicans by Corona Discharge: The Increase of Inhibition Zones Area After Far Subsequent Exposition 

      Autor: Fantova , Vladyslava; Bujaček , Karol; Kříha , Vítězslav; Julák , Jaroslav
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      The cold atmospheric pressure plasma generated by the negative corona discharge has inhibition effect on the microorganism growth. This effect is well-known and it can be demonstrated on the surface of cultivation agar ...
    • INCREASING THE BIOLOGICAL RESISTANCE OF GYPSUM BY MEANS OF SILVER, CALCIUM AND COPPER IONS 

      Autor: Prošek, Zdeněk; Sekavová, Hana; Ryparová, Pavla
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      The article focuses on the effects of additives increasing biological resistance of gypsum against degradation of the material. In this study we use silver nitrate, calcium oxide and copper sulphate as an additive that ...
    • Increasing thermal protection with use of green roof 

      Autor: Juras, Peter
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      The use of green roof is a great choice in case of climate change mitigation and reduction of urban heat islands. Positive aspects of green roofs during winter or the whole year round balance are often overlooked. The ...
    • INDENTATION SIZE EFFECT IN HIGH PRESSURE TORSION PROCESSED HIGH ENTROPY ALLOY 

      Autor: Haušild, Petr; Čížek, Jakub; Čech, Jaroslav; Zýka, Jiří; Kim, Hyoung Seop
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2020)
      High entropy alloy HfNbTaTiZr in as cast conditions and after high pressure torsion straining was characterized by nanoindentation. The length-scale dependent material response (indentation size effect) was characterized ...
    • INDICATORS FOR COMMON CROSSING STRUCTURAL HEALTH MONITORING WITH TRACK-SIDE INERTIAL MEASUREMENTS 

      Autor: Sysyn , Mykola; Gerber , Ulf; Nabochenko , Olga; Li , Yangyang; Kovalchuk , Vitalii
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)
      This paper focuses on the experimental study of an alteration in the railway crossing dynamic response due to the rolling surface degradation during a crossing’s lifecycle. The maximal acceleration measured with the ...
    • Induction motor mechanical defect diagnosis using DWT under different loading levels 

      Autor: Bouzida, Ahcene; Abdelli, Radia; Boudouda, Aimad
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2023)
      The information extraction capability of the widely used signal processing tool, FFT for diagnosing induction machines, is commonly used at a constant load or at different levels. The loading level is a major influencing ...
    • Industriální topografie/Průmyslové dědictví a role akademické sféry 

      Autor: Vorlík, Petr
      (Výzkumné centrum průmyslového dědictví FA ČVUT (http://vcpd.cvut.cz/industrialni-topografie-prumyslove-dedictvi-a-role-akademicke-sfery/), 2015)
      Metodika mapuje základní možnosti zapojení akademické sféry do procesu dokumentace, vyhodnocování, osvěty a záchrany průmyslového dědictví. Sleduje zejména postupy, ověřené dlouholetou zkušeností působení Výzkumného centra ...
    • INFLUENCE OF AGGRESSIVE ENVIRONMENT ON THE TENSILE PROPERTIES OF TEXTILE REINFORCED CONCRETE 

      Autor: Machovec , Jan; Reiterman , Pavel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      This article deals with the long-term durability of a relatively new composite – textile reinforced concrete (TRC). The studied composite material introduces a modern and favourite solution in contemporary architecture and ...