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Zobrazují se záznamy 6651-6670 z 55994

    • A comparative study on the dynamics of high speed spindles with respect to different preload mechanisms 

      Autor: Altintas Y.; Cao H.; Holkup T.
      (Springer, 2011)
      This paper presents the effects of bearing preload mechanisms on the dynamic performance of high speed spindles. The comparisons of two main types of bearing preload-\"constant\" and \"rigid\"-mechanisms are provided using ...

    • COMPARING MORI-TANAKA METHOD AND FIRST-ORDER HOMOGENIZATION SCHEME IN THE VISCOELASTIC MODELING OF UNIDIRECTIONAL FIBROUS COMPOSITES 

      Autor: Valentová, Soňa; Šejnoha, Michal; Vorel, Jan
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2020)
      A comparative study of the viscous response of polymer matrix based fibrous composites predicted by the Mori-Tanaka method and finite element simulations based on the 1st order homogenization theory is presented. Aligned ...

    • Comparing the environmental performances of new and renovated school buildings 

      Autor: Mancinelli, Oscar; Fantilli, Alessandro Pasquale; Chiaia, Bernardino
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      Evaluating which is the best choice between renovating an existing construction or building a new structure in countries like Italy, where a huge post-war un-listed building heritage does not satisfy the current standards ...

    • COMPARING THE HOEK-BROWN AND MOHR-COULOMB FAILURE CRITERIA IN FEM ANALYSIS 

      Autor: Poklopová, Tereza; Pavelcová, Veronika; Šejnoha, Michal
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      This paper revisits the issue of a potential substitutions of the Hoek-Brown failure model by the standard Mohr-Coulomb model in the stability analysis of rock masses. The derivation of equivalent shear strength parameters ...

    • Comparision of the walk techniques for fitness state space analysis in vehicle routing problem 

      Autor: Agárdi, Anita; Kovács, László; Bányai, Tamás
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      The Vehicle Routing Problem (VRP) is a highly researched discrete optimization task. The first article dealing with this problem was published by Dantzig and Ramster in 1959 under the name Truck Dispatching Problem. Since ...

    • Comparison and optimization of 2 approaches for the modelling of a carbon fibers reinforced thermoplastic 

      Autor: El Archi Youssera; Vedoucí práce: MAE supervisor; Oponent práce: MAE opponent
      (České vysoké učení technické v Praze. Vypočetní a informační centrum.Czech Technical University in Prague. Computing and Information Centre., 2018-09-22)
      Comparison and optimization of 2 approaches for the modelling of a carbon fibers reinforced thermoplastic

    • COMPARISON BETWEEN 2D TURBULENCE MODEL ESEL AND EXPERIMENTAL DATA FROM AUG AND COMPASS TOKAMAKS 

      Autor: Ondac , Peter; Horacek , Jan; Seidl , Jakub; Vondrácek , Petr; Müller Werner, Hans; Adámek , Jirí; Nielsen Henry, Anders
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      In this article we have used the 2D fluid turbulence numerical model, ESEL, to simulate turbulent transport in edge tokamak plasma. Basic plasma parameters from the ASDEX Upgrade and COMPASS tokamaks are used as input for ...

    • Comparison Between Common Seismic Codes Used in Nepal and Eurocode 8: Study Case Analysis of RC Building 

      Autor: Shrestha Anup; Vedoucí práce: Mazzolani Federico Massimo; Oponent práce: De Martino Attillio
      (České vysoké učení technické v Praze. Vypočetní a informační centrum.Czech Technical University in Prague. Computing and Information Centre., 2018-02-01)
      Earthquake risks and vulnerability to building structures have been identified by many countries and thus seismic analysis and design have become an integral part of their structural design process. Nepal has also recognized ...

    • Comparison between concrete stress diagrams according to the Brazilian standard ABNT NBR 6118: 2014 

      Autor: Oliveira, Victor Hugo Dalosto de; Carvalho, Rodolfo Alves; Borges, Luana Ferreira; Martins, Paulo Chaves de Rezende; Neves, Rodolfo Rabelo; Siqueira, João Paulo de Almeida; Oliveira, Gabriel Yves da Silva; Anhaia, Cintia Adriana Azevedo de Liz
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      This study aims to compare methods for the determination of concrete properties by means of the stress diagrams present in the Brazilian standard ABNT NBR 6118: 2014. The area under the stress diagram, the internal reactions, ...

    • Comparison of acoustic measures of dysphonia in Parkinson's disease and Huntington's disease: Effect of sex and speaking task 

      Autor: Šimek M.; Kouba T.; Novotný M.; Tykalová T.; Rusz J.
      (ISCA - International Speech Communication Association, 2023)
      This study investigated whether voice quality is differentially affected in two distinct basal ganglia disorders causing hypokinetic and hyperkinetic dysarthria, including effects of gender and speaking task. The sustained ...

    • COMPARISON OF ACTUAL GROUND SETTLEMENTS IN TUNNELLING EXCAVATION TO MODEL PREDICTIONS 

      Autor: Saplachidi , Alexandra; Vougioukas , Emmanouil
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      It has been discovered that the underground structures are vulnerable to seismic phenomena mainly due to permanent ground deformations caused by earthquakes rather than the dynamic seismic movement itself. Several models ...

    • COMPARISON OF AXIAL FAN ROTOR EXPERIMENTAL DATA WITH CFD SIMULATION 

      Autor: Prachař , Aleš
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)
      Data obtained from an experimental simulation on a new test rig for axial fans are compared to a CFD simulation. The Edge solver is used and the development needed for the simulation (boundary conditions, free stream ...

    • Comparison of behaviour of burnt beams models with effective and actual residual cross-sections in three point bending test 

      Autor: Keřková Kucíková, Lucie; Šejnoha, Michal; Janda, Tomáš; Padevět, Pavel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2023)
      Glued laminated timber beams exposed to fire of a variable duration were tested in three point bending. Three types of model geometries taking into account the effect of burning were created. Each model was examined for ...

    • COMPARISON OF CLASSICAL AND INTERACTIVE MULTI-ROBOT EXPLORATION STRATEGIES IN POPULATED ENVIRONMENTS 

      Autor: Kalde , Nassim; Simonin , Olivier; Charpillet , François
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      Multi-robot exploration consists in coordinating robots for mapping an unknown environment. It raises several issues concerning task allocation, robot control, path planning and communication. We study exploration in ...

    • Comparison of Control Approaches for Autonomous Race Car Model 

      Autor: Klapálek J.; Sojka M.; Hanzálek Z.
      (FISITA - International Federation of Automotive Engineering Societies, 2021)
      Autonomous driving is an interesting but challenging field. To make it accessible to college students, several universities worldwide joined to create an F1/10 Autonomous Racing Competition, where students compete in a ...

    • COMPARISON OF COOLING SCHEMES FOR HIGH HEAT FLUX COMPONENTS COOLING IN FUSION REACTORS 

      Autor: Domalapally , Phani Kumar; Entler , Slavomir
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      Some components of the fusion reactor receives high heat fluxes either during the startup and shutdown or during the operation of the machine. This paper analyzes different ways of enhancing heat transfer using helium and ...

    • Comparison of Different Approaches of Manufacturing Process Optimization 

      Autor: Mach, Pavel; Barto, Seba
      (IEEE, 2010-09)
      There are many process variables, which more or less influence quality of a manufacturing process, and there are many parameters of a product, which constitute its quality. The control of variables of a manufacturing process ...

    • COMPARISON OF DRYING SHRINKAGE AND DRYING CREEP KINETICS IN CONCRETE 

      Autor: Dohnalová, Lenka; Havlásek, Petr
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      The aim of this paper is to show and compare the time evolution of drying shrinkage and drying creep in concrete from three different perspectives. The first one analyzes the basic equations defined in the most common ...

    • COMPARISON OF ENERGY FLOW STREAM AND ISENTROPIC METHOD FOR STEAM TURBINE ENERGY ANALYSIS 

      Autor: Blažević , Sebastijan; Mrzljak , Vedran; Anđelić , Nikola; Car , Zlatan
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)
      In this paper, a comparison of two different methods for a steam turbine energy analysis is presented. A high-pressure steam turbine from a supercritical thermal power plant (HPT) was analysed at three different turbine ...

    • COMPARISON OF EXPLORATION STRATEGIES FOR MULTI-ROBOT SEARCH 

      Autor: Kulich , Miroslav; Juchelka , Tomáš; Přeučil , Libor
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      Searching for a stationary object in an unknown environment can be formulated as an iterative procedure consisting of map updating, selection of a next goal and navigation to this goal. It finishes when the object of ...