Zobrazují se záznamy 974-993 z 1832

    • Magnetorotational Explosions of Core-Collapse Supernovae 

      Autor: Bisnovatyi-Kogan, Gennady S.; Moiseenko, Sergey G.; Ardeljan, Nikolay V.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2014)
      Core-collapse supernovae are accompanied by formation of neutron stars. The gravitation energy is transformed into the energy of the explosion, observed as SN II, SN Ib,c type supernovae. We present results of 2-D MHD ...
    • MAGNETRON SPUTTERING WITH HOT SOLID TARGET: THERMAL PROCESSES AND EROSION 

      Autor: Borduleva Olegovna, Alena; Bleykher Alekseevna, Galina; Sidelev Vladimirovich, Dmitrii; Krivobokov Pavlovich, Valeriy
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)
      This work focuses on erosion and thermal processes taking place on the surface of the titanium target in magnetron sputtering. The study was carried out using magnetron sputtering systems (MSS) with different thermal ...
    • Maintaining the competitiveness of the czech railway industry 

      Autor: Vogl, Jan; Jánešová, Mária
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      The development of foreign trade plays an important role in the Czech economy. The important foreign trade commodity item is Machinery and transport equipment (SITC 7). Railway vehicles is a part of this category, other ...
    • MAPPING THE SURROUNDINGS AS A REQUIREMENT FOR AUTONOMOUS DRIVING 

      Autor: Steininger, M.; Stephan, C.; Böhm, C.; Sauer, F.; Zink, R.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)
      Motivated by the hype around driverless cars and the challenges of the sensor integration and data processing, this paper presents a model for using a XBox One Microsoft Kinect stereo camera as sensor for mapping the ...
    • Marine diesel engines operating cycle simulation for diagnostics issues 

      Autor: Minchev, Dmytro S.; Varbanets, Roman A.; Alexandrovskaya, Nadiya I.; Pisintsaly, Ludmila V.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      The ongoing monitoring of marine diesel engines helps to detect the deviations of its parameters early and prevent major failures. But the experimental diagnostics data are generally limited, so frequently, it isn’t possible ...
    • MARKET AND DEVELOPMENT TRENDS IN COGENERATION AND COMBINED HEAT AND POWER PLANTS 

      Autor: Slad, Jan; Pickard, Andreas; Strobelt, Frank
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      The transition of energy mix in Europe is placing greater focus on energy efficiency. Lawmakers in some of EU countries have already recognized that combined heat and power generation (cogeneration, CHP) can help increase ...
    • Mass Accretion Processes in Young Stellar Objects: Role of Intense Flaring Activity 

      Autor: Orlando, Salvatore; Reale, Fabio; Peres, Giovanni; Mignone, Andrea
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2014)
      According to the magnetospheric accretion scenario, young low-mass stars are surrounded by circumstellar disks which they interact with through accretion of mass. The accretion builds up the star to its nal mass and is ...
    • Massive Parallelization of Multibody System Simulation 

      Autor: Valášek , Michael; Mráz , Ladislav
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      This paper deals with the decrease in CPU time necessary for simulating multibody systems by massive parallelization. The direct dynamics of multibody systems has to be solved by a system of linear algebraic equations. ...
    • Materials for Fusion Applications 

      Autor: Matějíček , Jiří
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      An overview of materials foreseen for use or already used in fusion devices is given. The operating conditions, material requirements and characteristics of candidate materials in several specific application segments are ...
    • MATHEMATICAL ALGORITHM OF FUZZY LOGIC CONTROLLER FOR MULTILEVEL INVERTER CREATING VERTICAL DIVIDED VOLTAGE 

      Autor: Can , Erol
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)
      A 9-level inverter with a boost converter has been controlled with a fuzzy logic controller and a PID controller for regulating output voltage applications on resistive (R) and inductive (L), capacitance (C). The mathematical ...
    • MATHEMATICAL MODELING OF EXPERIMENT ON BERKOVICH NANOINDENTATION OF ZRN COATING ON STEEL SUBSTRATE 

      Autor: Sadyrin, Evgeniy; Vasiliev, Andrey; Volkov, Sergei
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2020)
      In the present paper the experiment on Berkovich nanoindentation of ZrN coating on steel substrate is modelled using the proposed effective mathematical model. The model is intended for describing the experiments on ...
    • MAXIMAL SUBSETS OF PAIRWISE SUMMABLE ELEMENTS IN GENERALIZED EFFECT ALGEBRAS 

      Autor: Riečanová , Zdenka; Janda , Jiří
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      We show that in any generalized effect algebra (G;⊕, 0) a maximal pairwise summable subset is a sub-generalized effect algebra of (G;⊕, 0), called a summability block. If G is lattice ordered, then every summability ...
    • Maximizing information obtained from standardized fire tests using a Bayesian framework 

      Autor: Jovanović, Balša; Van Coile, Ruben; Reynders, Edwin; Lombaert, Geert; Caspeele, Robby
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      Current practice is mostly focused on prescriptive design approaches where the performance of the structure in case of fire is assessed based on its performance in standardized fire tests. Those tests indicate whether the ...
    • Maxwell-Chern-Simons-Higgs theory 

      Autor: Kulshreshtha, Usha; Kulshreshtha, Daya Shankar; Sihagb, Bheemraj
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      We consider the three dimensional electrodynamics described by a complex scalar field coupled with the U(1) gauge field in the presence of a Maxwell term, a Chern-Simons term and the Higgs potential. The Chern-Simons term ...
    • Measurement and CFD analysis of a local radiant cooling solution 

      Autor: Najaf Khosravi, Shiva; Teufl, Helene; Mahdavi, Ardeshir
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      This paper entails an empirical and computational assessment of the air flow field in the close proximity of a vertically positioned radiant cooling panel. This radiant cooling solution differs from the conventional ...
    • Measurement and evaluation of cement paste porosity by electrochemical impedance spectroscopy 

      Autor: Chalupová, Jana; Němeček, Jiří; Hybášek, Vojtěch; Pommer, Vojtěch; Němeček, Jiří
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2023)
      Porosity is an important part of cement paste microstructure, which significantly influences the mechanical properties (especially durability and strength) of cement-based materials. Electrochemical impedance spectroscopy ...
    • MEASUREMENT METHODS OF INTERNAL STRESS IN CONTINUOUS WELDED RAIL 

      Autor: Vnenk, Petr; Culek, Bohumil
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)
      This paper deals with the problem of internal rail stress estimation. It is based on a detailed research of contemporary situation in the field, presents basic outlines of the problem and sums up the major research areas ...
    • Measurement of a quantum particle position at two distant locations: a model 

      Autor: Dittrich, Jaroslav
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      A simplified one-dimensional model of measurement of the position of a quantum particle by two distant detectors is considered. Detectors are modelled by quantum particles bounded in potential wells with just two bound ...
    • MEASUREMENT OF NEUTRON SPATIAL DISTRIBUTION OF THE BNCT EPITHERMAL BEAM AT THE REACTOR LVR-15 

      Autor: Rabochová, Michaela; Vinš, Miroslav; Šoltés, Jaroslav; Michalcová, Božena
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)
      In this study, a measurements of neutron field using a special positioning device with a 6Li + Si detector and image plate is described. The measurements were provided for Boron Neutron Capture Therapy (BNCT) channel of ...
    • Measurement of O2 in the Combustion Chamber of Apulverized Coal Boiler 

      Autor: Janeba , Břetislav; Kolovratník , Michal; Bartoš , Ondřej
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      Operational measurements of the O2 concentration in the combustion chamber of a pulverized coal boiler are not yet common practice. Operators are generally satisfied with measuring the O2 concentration in the second pass ...