Browsing Ústřední knihovna ČVUT by Title

Now showing items 1590-1609 of 2019

    • SEMI–AUTOMATED ASSESSMENT OF MICROMECHANICAL PROPERTIES OF THE METAL FOAMS ON THE CELL-WALL LEVEL 

      Author: Krčmářová, Nela; Šleichrt, Jan; Doktor, Tomáš; Kytýř, Daniel; Jiroušek, Ondřej
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)
      Metal foams are innovative porous material used for wide range of application such as deformation energy or sound absorption, filter material, or microbiological incubation carrier. To predict mechanical properties of the ...

    • SENSITIVITY ANALYSIS OF INPUT PARAMETERS FOR LOAD CARRYING CAPACITY OF MASONRY ARCH BRIDGES 

      Author: Vokál , Marek; Drahorád , Michal
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2020)
      The article deals with an analysis of railway masonry arch bridges. Typical attributes of these bridges are pointing loss and backfill. Therefore, the material - masonry - behaviour can be described only by a non-linear ...

    • Separation of Minor Actinides from Lanthanides Using Immobilized Ligand Systems: The Role of the Counterion 

      Author: Afsar A.; Distler P.; Harwood L.M.; John J.; Babra J.S.; Selfe Z.Y.; Cowell J.; Westwood J.
      (The Japan Institute of Heterocyclic Chemistry, 2019)
      A CyMe4-BTPhen functionalized silica gel that selectively extracts Am(III) over Eu(III) from 4 M HNO3 with a separation factor > 154 has been developed. Evidence is presented that the counterion surrounding the M(III) in ...

    • SHAPE OF A NUCLEUS GROWING ON STRONGLY CURVED SURFACE OF A NANOFIBER 

      Author: Sveshnikov , Alexey; Demo , Pavel; Kožíšek , Zdeněk; Tichá , Petra
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2014)
      The equilibrium shape of a critical nucleus has strong impact on important parameters of nucleation theory, such as nucleation rate. While on the flat substrate the growing nucleus has a shape of a spherical cap, a shape ...

    • SHEAR STRENGTH OF SOILS FROM THE DOBKOVICKY LANDSLIDE IN THE CENTRAL BOHEMIAN UPLANDS DETERMINATED BY LABORATORY TESTS 

      Author: Roháč, Jakub; Kycl, Petr; Boháč, Jan; Mašín, David
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)
      The aim of this paper is to evaluate soil shear strength from the Dobkovicky landslide. The landslide was activated on June 6, 2013 after heavy rains and the D8 motorway, which was under construction at the time, was ...

    • SHEARING TESTS APPLIED TO PANTOGRAPHIC STRUCTURES 

      Author: Ganzosch, Gregor; dell’Isola, Francesco; Turco, Emilio; Lekszycki, Tomasz; Müller, Wolfgang H.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)
      With the advancements in 3D printing technology, rapid manufacturing of fabric materials with complex geometries became possible. By exploiting this technique, different materials with different structures have been developed ...

    • Shock wave configuration in a transonic flow through a mid-section of a last stage turbine blade cascade equipped with a part-span connector 

      Author: Radnic, Tomáš; Šafařík, Pavel; Luxa, Martin; Šimurda, David
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2023)
      This paper deals with the study of a flow field and namely the configuration of shock waves in a blade cascade equipped with a part-span connector called tie-boss. The cascade consists of prismatic blades formed from the ...

    • SHORT-TERM CORROSION RESPONSE OF METALS IN LIME MORTAR 

      Author: Bauerová, Pavla; Prošek, Zdeněk; Krejsová, Jitka; Keppert, Martin
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)
      Even though the corrosion of steel in concrete is very well described, the corrosion processes in lime environment studied very rarely. This environment is obviously also basic and its pH decreases in time, but the obtained ...

    • SHRINKAGE OF VARIOUS TYPES OF PORTLAND CLINKER-BASED CEMENTS WITH RESPECT TO THEIR HYDRATION DEGREE 

      Author: Davidová , Vendula; Reiterman , Pavel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2020)
      The volume changes of cement based composites are significantly exhibited in the hardening process. Initial phases of the hardening are complemented by the expansion due to the heat evolution that is subsequently alternated ...

    • SiFAP: A New Fast Astronomical Photometer 

      Author: Ambrosino, Filippo; Meddi, Franco; Nesci, Roberto; Rossi, Corinne; Sclavi, Silvia; Bruni, Ivan
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2014)
      A fast photometer based on SiPM technology was developed and tested at the University of Rome "La Sapienza" and at the Bologna Observatory. In this paper we present the improvements applied to our instrument, concerning ...

    • SILOXANES REMOVAL FROM BIOGAS USING ACTIVATED CARBON 

      Author: Vagenknechtová , Alice; Ciahotný , Karel; Vrbová , Veronika
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)
      SiO2 deposits which cause technical problems on combustion equipment are built by combustion of biogas containing siloxanes. Therefore, in these cases, the siloxanes must be removed from the biogas. For siloxane removal ...

    • SIMILARITY SOLUTIONS AND CONSERVATION LAWS FOR THE BEAM EQUATIONS: A COMPLETE STUDY 

      Author: Halder , Amlan Kanti; Paliathanasis , Andronikos; Leach , Peter Gavin Lawrence
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2020)
      We study the similarity solutions and we determine the conservation laws of various forms of beam equations, such as Euler-Bernoulli, Rayleigh and Timoshenko-Prescott. The travelling-wave reduction leads to solvable ...

    • Simple and affordable circuit for energy harvesting applications 

      Author: Bouřa A.
      (Západočeská univerzita v Plzni, 2020)
      The paper presents a circuit structure that can be used as an energy harvester. It is intended for photovoltaic panels (PV) or other sources of energy that can provide enough voltage level but that can source only low ...

    • SIMPLE MODELS OF THREE COUPLED PT -SYMMETRIC WAVE GUIDES ALLOWING FOR THIRD-ORDER EXCEPTIONAL POINTS 

      Author: Schnabel , Jan; Cartarius , Holger; Main , Jörg; Wunner , Günter; Heiss , Walter Dieter
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)
      We study theoretical models of three coupled wave guides with a PT-symmetric distribution of gain and loss. A realistic matrix model is developed in terms of a three-mode expansion. By comparing with a previously postulated ...

    • Simplified modelling of the performance of concrete tunnels during fire and post-fire damage classification 

      Author: Van Coile, Ruben; Jovanović, Balša; Chaudhary, Ranjit Kumar; Deckers, Xavier; Lucherini, Andrea
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      The performance of concrete tunnel structures during and after fire is not well understood. This is an obstacle to the adoption of risk-based approaches for fire safety design of tunnel structures. Upon the request of the ...

    • SIMULATION ANALYSIS OF PREHEATER CHARGE TO THE ROTARY FURNACE 

      Author: Mikula , Jan; Palička , Pavol; Kerekanic , Jan
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      Mathematical modeling of heat aggregates is one of the fundamental methods of the mathematical modelling research. A mathematical model based on the method of elementary balances was created for the thermal treatment of ...

    • SIMULATION AND OPTIMIZATION OF POROUS BONE-LIKE MICROSTRUCTURES WITH SPECIFIC MECHANICAL PROPERTIES 

      Author: Wit, Adrian; Wronski, Sebastian; Tarasiuk, Jacek
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)
      Bone trabecular structure can be characterized as a connected network of mineral bars and plates with unique mechanical properties. Standard methods of producing bone-like structures based on periodic structures or foams ...

    • Simulation assessment of the headway under the ETCS L3 

      Author: Nachtigall, Petr; Tischer, Erik
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2023)
      This paper deals with a simulation assessment of the impact of the introduction of ETCS L2 and L3 on the capacity of railway lines. The simulation itself is carried out in the OpenTrack simulation software, especially in ...

    • SIMULATION MODEL BASED ON REGIONAL DEVELOPMENT AND VIRTUAL CHANGES 

      Author: Dlask , Petr
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      This paper reports on change as an indicator that can be provide more focused goals in studies of development. The paper offers an answer to the question: How might management gain information from a simulation model and ...

    • SIMULATION OF A MANEUVERING AIRCRAFT USING A PANEL METHOD 

      Author: Schoř, Pavel; Kouřil, Martin; Daněk, Vladimír
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      We present a method for numerical simulations of a maneuvering aircraft, which uses a first-order unsteady panel method as the only source of aerodynamic forces and moments. By using the proposed method, it is possible to ...