Zobrazují se záznamy 845-864 z 2019

    • Holistic assessment methodology for Positive Energy Districts 

      Autor: Kvasnica, Jakub; Válková, Kateřina
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      Globally, cities are responsible for most of the world’s energy consumption and most of the carbon dioxide emissions. Therefore, the efficient transformation of urban energy systems is becoming a crucial step towards carbon ...
    • HOMOGENIZATION OF TRANSPORT PROCESSES AND HYDRATION PHENOMENA IN FRESH CONCRETE 

      Autor: Beneš , Michal; Štefan , Radek
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2020)
      The problem of hydration and transport processes in fresh concrete is strongly coupled and non- inear, and therefore, very difficult for a numerical modelling. Physically accurate results can be obtained using fine-scale ...
    • HOMOGENIZATION OF UNREINFORCED OLD MASONRY WALL COMPARISON OF SCALAR ISOTROPIC AND ORTHOTROPIC DAMAGE MODELS 

      Autor: Bernardo, Vasco; Krejčí, Tomáš; Koudelka, Tomáš; Šejnoha, Michal
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2020)
      Masonry is a heterogeneous composite material made of bricks bonded by a mortar matrix. Modeling such a material on macroscale typically calls for homogenization adopting a suitable constitutive model capable of capturing ...
    • HOT HARDNESS MEASUREMENTS ON MATERIALS UP TO 600 °C DURING THE FIRST HOUR OF USING 

      Autor: Passilly, Bruno; Molenda, Lara
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2020)
      In the aeronautical field, materials are used in severe environmental conditions (temperature, atmosphere, exposure time ...), particularly for engine applications. In order to characterize the use of these materials in ...
    • How design concepts influence carbon footprints of load bearing structures 

      Autor: Rønning, Anne; Prestrud, Kjersti; Saxegård, Simon; Haave, Simen S.; Lysberg, Magne
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      In recent years, it has become essential to consider the total carbon footprint of a construction project. Commonly, the question has been: ’What is the best material to be used in this context?’ In this paper we argue ...
    • How municipalities should approach the transformation of public spaces 

      Autor: Malá, Michaela; Sýkorová, Martina; Felicioni, Licia
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      Public spaces are the living rooms of cities, accessible to everyone without any restrictions. Public spaces are the calling card of the city; they are where the community comes together. Their design either enables or ...
    • How to understand the structure of beta functions in six-derivative Quantum Gravity? 

      Autor: Rachwał, Lesław
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      We extensively motivate the studies of higher-derivative gravities, and in particular we emphasize which new quantum features theories with six derivatives in their definitions possess. Next, we discuss the mathematical ...
    • HUMAN-MACHINE INTERACTION IN SOLVING TASKS OF THE PLANNING DEPARTMENT 

      Autor: Kucherov, Boris Alekseyevich; Artyushenko, Vladimir Mikhailovich
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)
      The paper discusses issues of human-machine interaction in solving tasks of the planning department under severe resource restrictions using information technology. The negative factors influencing specialists of the ...
    • HYBRID REASONING FOR MULTI-ROBOT DRILL PLANNING IN OPEN-PIT MINES 

      Autor: Mansouri , Masoumeh; Andreasson , Henrik; Pecora , Federico
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)
      Fleet automation often involves solving several strongly correlated sub-problems, including task allocation, motion planning, and coordination. Solutions need to account for very specific, domaindependent constraints. In ...
    • HYBRID SHEARWALL SYSTEM — SHEAR STRENGTH AT THE INTERFACE CONNECTION 

      Autor: Wirth , Ulrich; Shirali , Nuri; Křístek , Vladimír; Kurth , Helmut
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      Based on a series of alternating, displacement-controlled load tests on ten one-third scale models, to study the behaviour of the interface of a hybrid shear wall system, it was proved that the concept of hybrid construction ...
    • HYDRATION OF PLASMA-TREATED ALUMOSILICATE BINDERS 

      Autor: Šmilauer , Vít; Babchenko , Oleg; Potocký , Štepán; Kromka , Alexander
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2014)
      Plasma treatment offers several applications in material science. In this research, the potential of plasma treatment is explored on the hydration of hydrophilic CNT-enriched cement and hydrophilic fly ash. The evolution ...
    • HYDRATION PROCESS AND MECHANICAL PROPERTIES OF CEMENT PASTE WITH RECYCLED CONCRETE POWDER AND SILICA SAND POWDER 

      Autor: Topič, Jaroslav; Prošek, Zdeněk
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)
      Recycled concrete powder (RCP) mostly consisting of cement paste could be reused as partial cement replacement. The aim of this paper is to compare hydration and mechanical properties of RCP and two types of silica sand ...
    • HYDROGEN CHARGING OF FUEL CLADDING METHODOLOGY 

      Autor: Krejčí, Jakub; Kabátová, Jitka; Kočí, Jan; Weishauptová, Zuzana; Vrtílková, Věra
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)
      Hydrogen content is a very important parameter for mechanical properties of fuel cladding, especially after LOCA transients. Therefore, it is necessary to take into account the amount of hydrogen absorbed in the fuel ...
    • HYDROGENATED TARGETS FOR HIGH ENERGY PROTON GENERATION FROM LASER IRRADIATING IN TNSA REGIME 

      Autor: Torrisi , Lorenzo; Cutroneo , Mariapompea; Ullschmied , Jiri
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      Polyethylene-based thin targets were irradiated in high vacuum in the TNSA (Target Normal Sheath Acceleration) regime using the PALS laser facility. The plasmais produced in forward direction depending on the laser irradiation ...
    • HYDROPHOBIC IMPREGNATION OF GEOPOLYMER COMPOSITE BY ETHOXYSILANES 

      Autor: Mašek , Zdeněk; Diblikova , Linda
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      A geopolymer composite was impregnated by incorporating the hydrophobic alkyl group on the outer surface and in the inner structure of the geopolymer. Ethoxysilanes 1H,1H,2H,2H perfluoroctyltriethoxysilane and hexadecylt ...
    • Hydrothermally-calcined waste paper ash nanomaterial as an alternative to cement for clay soil modification for building purposes 

      Autor: Robert, Ubong Williams; Etuk, Sunday Edet; Agbasi, Okechukwu Ebuka; Umoren, Grace Peter; Akpan, Samuel Sunday; Nnanna, Lebe Agwu
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      It has been observed that clay soil cannot be used for building design, unless it is modified by firing or with cement. Either method of stabilization can adversely affect the environment and public health just like ...
    • Hygiena 3, a Forgotten Project for Electrolytic Water Treatment 

      Autor: Drnek , Kryštof
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      In the interwar period, the city of Prague had to resolve the problem of treating the polluted water produced by its citizens. From 1933 - 1936 an ambitious competition was held. The idea behind the competition was to bring ...
    • Hygric performance of new building components for vertical green gardens 

      Autor: Kopecký, Pavel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      The newly developed box-like panel lightweight element for vertical greenery was designed and built at University Centre for Energy Efficient Buildings of the Czech Technical University in 2020. A test site for testing ...
    • Hygro-mechanical model for concrete pavement with long-term drying analysis 

      Autor: Veselý, Jakub; Šmilauer, Vít
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2023)
      Concrete pavements are subjected to the combination of moisture transport, heat transport and traffic loading. A hygro-mechanical 3D finite element model was created in OOFEM software in order to analyse the stress field ...
    • Hygro-Thermo-Mechanical Analysis of a Reactor Vessel 

      Autor: Kruis , Jaroslav; Koudelka , Tomáš; Krejčí , Tomáš
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      Determining the durability of a reactor vessel requires a hygro-thermo-mechanical analysis of the vessel throughout its service life. Damage, prestress losses, distribution of heat and moisture and some other quantities ...