Now showing items 1-20 of 624

    • 

      Author: Unknown author
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      The aim of this study is to theoretically investigate the effects of design parameters on the static equivalent stress of radial rolling bearings, such as the point contact case for ball bearings and line contact case for ...
    • 

      Author: Unknown author
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2020)
      The paper deals with the design of swinging self-clean screen bars and the assessment of pressure losses in the combined sewer overflow chamber (HOBAS CSO Chamber), sold by the company HOBAS. The HOBAS CSO Chamber ensures ...
    • 3D DIGITAL RECONSTRUCTION BASED ON ARCHIVED TERRESTRIAL PHOTOGRAPHS FROM METRIC CAMERAS 

      Author: Poloprutský , Zdeněk; Fraštia , Marek; Marčiš , Marián
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)
      The paper deals with the possibilities and limitations of the image processing of digitalized terrestrial photographs from analogue metric cameras. By the end of the 20th century, analogue metric cameras such as Zeiss UMK ...
    • 3D MODELING OF HEAT AND MASS TRANSFER PROCESS DURING THE COMBUSTION OF SOLID FUEL IN A SWIRL FURNACE 

      Author: Askarova , Aliya; Bolegenova , Saltanat; Maximov , Valeriy; Bolegenova , Symbat; Nugymanova , Aizhan; Šafařík , Pavel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)
      In this work, a comprehensive study of thermal processes and aerodynamic and concentration characteristics of the combustion chamber of the boiler BKZ-75 of the Shakhtinskaya thermal power plant (Kazakhstan) are presented. ...
    • A BOSEEINSTEIN CONDENSATE WITH PTSYMMETRIC DOUBLEDELTA FUNCTION LOSS AND GAIN IN A HARMONIC TRAP: A TEST OF RIGOROUS ESTIMATES 

      Author: Haag , Daniel; Cartarius , Holger; Wunner , Günter
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2014)
      We consider the linear and nonlinear Schrödinger equation for a Bose-Einstein condensate in a harmonic trap with PT-symmetric double-delta function loss and gain terms. We verify that the conditions for the applicability ...
    • A combined strain element to functionally graded structures in thermal environment 

      Author: Ton-That , Hoang Lan
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2020)
      Functionally graded materials are commonly used in a thermal environment to change the properties of constituent materials. They inherently withstand high temperature gradients due to a low thermal conductivity, core ...
    • A COMPACTING PROCESS OF THE EN AW 6060 ALLOY 

      Author: Dragošek , Lukáš; Kociško , Róbert; Kováčová , Andrea; Bidulsky , Robert; Škrobian , Milan
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      This study reports on an investigation of factors affect the process of compacting Al chips which are used to direct scrap processing through the forward extrusion method. EN AW 6060 chips of different geometry and types ...
    • A COMPARATIVE STUDY OF DATADRIVEN MODELING METHODS FOR SOFTSENSING IN UNDERGROUND COAL GASIFICATION 

      Author: Kačur , Ján; Durdán , Milan; Laciak , Marek; Flegner , Patrik
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)
      Underground coal gasification (UCG) is a technological process, which converts solid coal into a gas in the underground, using injected gasification agents. In the UCG process, a lot of process variables can be measurable ...
    • A COMPARISON OF METHODS USING STRAIN GAUGES TO MONITOR PHYSIOLOGICAL MOVEMENTS ON A HOSPITAL BED 

      Author: Socha , Vladimír; Kutílek , Patrik; Smrčka , Pavel; Socha , Luboš
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2014)
      Two methods which are suitable to monitor the small movements of the patient in a horizontal position on the bed are compared. The methods use sensors based on strain gauge bridges configured to measure the torsion deformation ...
    • A Comparison of Power Quality Controllers 

      Author: Černek , Petr; Brejcha , Michal; Hájek , Jan; Pígl , Jan
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      This paper focuses on certain types of FACTS (Flexibile AC Transmission System) controllers, which can be used for improving the power quality at the point of connection with the power network. It focuses on types of ...
    • A COMPARISON OF THE TENSILE STRENGTH OF PLASTIC PARTS PRODUCED BY A FUSED DEPOSITION MODELING DEVICE 

      Author: Beniak , Juraj; Križan , Peter; Matúš , Miloš
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      Rapid Prototyping systems are nowadays increasingly used in many areas of industry, not only for producing design models but also for producing parts for final use. We need to know the properties of these parts. When we ...
    • A COMPARISON OF TWO MODAL ANALYSIS METHODS: AN IMPACT HAMMER VERSUS LASER VIBROMETRY 

      Author: Krejčí , Jakub; Beneš , Petr
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2020)
      This paper presents a comparative experimental-analytical study on the performance of Multi-Input Single-Output (MISO) and Single-Input Multi-Output (SIMO) techniques to identify the modal properties of a cantilever beam. ...
    • A DIFFERENTIAL INTEGRABILITY CONDITION FOR TWODIMENSIONAL HAMILTONIAN SYSTEMS 

      Author: Mostafazadeh , Ali
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2014)
      We review, restate, and prove a result due to Kaushal and Korsch [Phys. Lett. A 276, 47 (2000)] on the complete integrability of two-dimensional Hamiltonian systems whose Hamiltonian satisfies a set of four linear second ...
    • A Flexible Adjustment and Control System for Hydraulic Machines 

      Author: Banyai , Daniel; Marcu , Lucian
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      Due to the advantages of hydraulic systems with variable displacement, it was necessary to design a control system that can adjust the pressure, flow, power or a combination of these features, that can be easily integrated ...
    • A HARDWAREINTHELOOP SIMULATOR BASED ON REAL SKODA SUPERB VEHICLE AND RTLAB/CARSIM 

      Author: Biroš , Milan; Kyslan , Karol; Ďurovský , František
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      This paper describes the design and realization of a hardware-in-the-loop simulator made from a real Skoda Superb vehicle. A combination of RT-LAB and CarSim software is used for real-time control and for handling the ...
    • A LIGHTNING CONDUCTOR MONITORING SYSTEM BASED ON A WIRELESS SENSOR NETWORK 

      Author: Mikeš , Jan; Kreibich , Ondrej; Neužil , Jan
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      Automated heating, lighting and irrigation systems are nowadays standard features of industrial and commercial buildings, and are also increasingly found in ordinary housing. In addition to the benefits of user comfort, ...
    • A MATHEMATICAL MODEL OF GALVANIC CORROSION UNDER THE CONDITIONS OF A THIN ELECTROLYTE FILM 

      Author: Jeníček , Vít; Diblíková , Linda
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)
      A mathematical model of galvanic corrosion under the conditions of a thin electrolyte film was used to evaluate atmospheric corrosion. Experimentally determined weight loss values were used to validate the modelled results. ...
    • A METHOD FOR EVALUATION OF NONUNIFORM RADIANTCONVECTIVE LOAD ON HUMAN BODY DURING MENTAL WORK 

      Author: Prokšová Zuská , Lenka; Kabrhel , Michal
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)
      The objective of this study was to develop a documentation for the amendment of the microclimatic part of the Czech Government Regulation, particularly in a non-uniform radiant-convective load evaluation. Changes in ...
    • A METHOD FOR MEASURING THE SENSITIVITY OF BUILDING STRUCTURAL MEMBERS TO FIRE DECAY PHASES 

      Author: Gernay , Thomas
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)
      Firefighters face a major threat when intervening in a building during a fire: the possibility of structural collapse during the cooling phase of the fire, or soon thereafter. At present, this threat is amplified by the ...
    • A METHOD OF COMPLEX CALCULATION OF RATIONAL STRUCTURAL PARAMETERS OF RAILWAY HUMPS 

      Author: Panchenko , Sergii; Ohar , Oleksandr; Kutsenko , Maksym; Smachilo , Julia
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      The article deals with a method of complex calculation of rational structural parameters of humps at classification yards. Unlike existing methods, this method allows an implementation of the technology of guided gravity ...