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Zobrazují se záznamy 21-40 z 1843

    • A CONCEPTUAL STUDY OF A LIQUID METAL ALLOY IN A DISK-SHAPED MAGNETOHYDRODYNAMICS CONVERSION SYSTEM 

      Autor: Ayeleso, Ayokunle O.; Raji, Atanda K.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      The use of solar-heated liquid metal in a magnetohydrodynamics (MHD) generator provides an alternative and direct conversion method for electric power generation. This prompted the present study to conduct a three-dimensional ...

    • A DIFFERENTIAL INTEGRABILITY CONDITION FOR TWO-DIMENSIONAL HAMILTONIAN SYSTEMS 

      Autor: 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 

      Autor: 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 guideline to support the use of off-site solutions for façade retrofitting through BIM-enabled processes 

      Autor: Cucuzza, Marco; Di Stefano, Andrea Giuseppe; Iannaccone, Giuliana; Masera, Gabriele
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      The Architecture, Engineering and Construction sector requires an intense innovation process to reduce costs, intervention times, and improve energy performance. This is particularly true to increase the rate of deep ...

    • A HARDWARE-IN-THE-LOOP SIMULATOR BASED ON REAL SKODA SUPERB VEHICLE AND RT-LAB/CARSIM 

      Autor: 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 HEADRACE TUNNEL RECONSTRUCTION IN TURKEY 

      Autor: Hilar, Matouš; Srb, Martin; Nosek, Jakub
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)
      The operation of a hydro power project in North Turkey started in 2015, included the 12km long headrace tunnel. An 8km long lower tunnel section was excavated by double shield TBM technology with 8.7m ID. Due to problems ...

    • A LIGHTNING CONDUCTOR MONITORING SYSTEM BASED ON A WIRELESS SENSOR NETWORK 

      Autor: 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 

      Autor: 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 NON-UNIFORM RADIANT-CONVECTIVE LOAD ON HUMAN BODY DURING MENTAL WORK 

      Autor: 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 

      Autor: 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 

      Autor: 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 ...

    • A methodological approach for life cycle assessment of refurbishment measures - from building to neighbourhood and municipal level 

      Autor: Slabik, Simon; Zernicke, Caya; Storck, Michael; Hafner, Annette
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      Life cycle assessment (LCA) in the building sector has become a widely used method for quantifying environmental impacts of a building over its entire life cycle. Currently, however, no standardized procedure exists for ...

    • A Micromechanics-Based Model for Stiffness and Strength Estimation of Cocciopesto Mortars 

      Autor: Nežerka , Václav; Zeman , Jan
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      The purpose of this paper is to propose an inexpensive micromechanics-based scheme for stiffness homogenization and strength estimation of mortars containing crushed bricks, known as cocciopesto. The model utilizes the ...

    • A mindlin shell finite element for stone masonry bridges with backfill 

      Autor: Řeřicha, Petr
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      Stone masonry bridges are difficult to analyse with commercial finite element (FE) packages for their specific heterogeneous composition. The stone arch is best modelled as a thick shell where there are predestined directions ...

    • A model of isotope transport in the unsaturated zone, case study 

      Autor: Chudoba, Josef; Královcová, Jiřina; Landa, Jiří; Maryška, Jiří; Říha, Jakub
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      This work deals with a groundwater flow and solute transport model in the near-surface (predominantly unsaturated) zone. The model is implemented so that it allows simulations of contamination transport from a source located ...

    • A modular extension of a finite element contact implementation 

      Autor: Faltus, Ondřej; Horák, Martin
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      The structural mechanics module of the OOFEM finite element software has been developed to include various algorithms for solving contact mechanics problems. After developing small strain contact algorithms in the 2D domain ...

    • A Multi-Wavelength View of the XMM-Newton Galactic Plane 

      Autor: Gómez-Morán, Ada Nebot; Motch, Christian
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2014)
      We present an X-ray survey of the Galactic Plane conducted by the Survey Science Centre of the XMM-Newton satellite. The survey contains more than 1300 X-ray detections at low and intermediate Galactic latitudes and covering ...

    • A MULTIPHASE FLOW LOOP DESIGN FOR INVESTIGATING THE PARTIAL PHASE SEPARATION IN A PIPE TEE 

      Autor: Saieed, Ahmed; Memon, Zeeshan Qadir; Tran, Minh Cong; King Soon, William Pao
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)
      This article presents a design and commissioning of a multiphase flow loop, which was developed for scrutinizing the partial phase separation characteristics of pipe Tees. Its length is 9m and its primary diameter is 0.078m ...

    • A MYOELECTRIC PROSTHETIC ARM CONTROLLED BY A SENSOR-ACTUATOR LOOP 

      Autor: Kutílek , Patrik; Hýbl , Jan; Mareš , Jakub; Socha , Vladimír; Smrčka , Pavel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2014)
      This paper describes new methods and systems designed for application in upper extremity prostheses. An artificial upper limb with this system is a robot arm controlled by EMG signals and a set of sensors. The new multi-sensor ...

    • A Network Simulation Tool for Task Scheduling 

      Autor: Votava , Ondřej
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      Distributed computing may be looked at from many points of view. Task scheduling is the viewpoint, where a distributed application can be described as a Directed Acyclic Graph and every node of the graph is executed ...