Poslední příspěvky

  • Mathematical model of mechanical testing of bone-implant (4.5 mm LCP) construct 

    Urbanová, Lucie; Blažek-Fialová, Iva; Srnec, MVDr Robert; Pěnčík, Jan; Kršek, Přemysl; prof. MVDr. Alois Nečas, Ph.D., MBA (University of Veterinary and Pharmaceutical Sciences in Brno, 2012-09-17)
    The study deals with the possibility of substituting time- and material-demanding mechanical testing of a bone defect fixation by mathematical modelling. Based on the mechanical model, a mathematical model of bone-implant ...
  • Shape of the nappe during free overfall from a rectangular channel with zero bed slope 

    Zachoval, Zbyněk; Böhm, Petr; Pařílková, Jana; Šafář, Robert; Šulc, Jan (Institute of Hydrology of the Slovak Academy of Sciences, Institute of Hydrodynamics of the Academy of Sciences of the Czech Republic, 2013-09-02)
    The paper deals with selected procedures used to calculate the shape of compact nappe during free overfall from a smooth horizontal channel with rectangular cross section. Calculated and measured water surface and velocity ...
  • Discharge coefficient of a rectangular sharp-edged broad-crested weir 

    Zachoval, Zbyněk; Knéblová, Michaela; Roušar, Ladislav; PhD, Ján Rumann,; Šulc, Jan (Institute of Hydrology of the Slovak Academy of Sciences, Institute of Hydrodynamics of the Academy of Sciences of the Czech Republic, 2014-04-01)
    This paper is concerned with the determination of the relationship for the calculation of the discharge coefficient at free overflow over a rectangular sharp-edged broad-crested weir without lateral contraction. The ...
  • Zone of flow separation at the upstream edge of a rectangular broad-crested weir 

    Zachoval, Zbyněk; Mistrová, Ivana; Roušar, Ladislav; Šulc, Jan; Zubík, Pavel (Institute of Hydrology of the Slovak Academy of Sciences, Institute of Hydrodynamics of the Academy of Sciences of the Czech Republic, 2012-12-01)
    The paper deals with the determination of the basic characteristics of flow at the crest of a rectangular broad-crested weir and in detail with the characteristics of flow separation at the upstream edge of the weir crest. ...
  • A stochastic approach to the operative control of flood flows through a reservoir 

    Jaroš, Lubomír; Starý, Miloš; Březková, Lucie (Institute of Hydrology of the Slovak Academy of Sciences and the Institute of Hydrodynamics of the Academy of Sciences of the Czech Republic, 2016-01-04)
    The contribution focuses on the design of a control algorithm aimed at the operative control of runoff water from a reservoir during flood situations. Management is based on the stochastically specified forecast of water ...
  • Flow characteristics at trapezoidal broad-crested side weir 

    Říha, Jaromír; Zachoval, Zbyněk (Institute of Hydrology of the Slovak Academy of Sciences and the Institute of Hydrodynamics of the Academy of Sciences of the Czech Republic, 2015-04-01)
    Broad-crested side weirs have been the subject of numerous hydraulic studies; however, the flow field at the weir crest and in front of the weir in the approach channel still has not been fully described. Also, the discharge ...
  • Mechanical testing of newly developed biomaterial designed for intra-articular reinforcement of partially ruptured cranial cruciate ligament: ex vivo pig model 

    Fedorová, Petra; Srnec, MVDr Robert; Pěnčík, Jan; Schmid, Pavel; Amler, Evžen; Urbanová, Lucie; prof. MVDr. Alois Nečas, Ph.D., MBA (University of Veterinary and Pharmaceutical Sciences in Brno, 2014-04-01)
    The study deals with mechanical testing of newly developed material polyethylene terephtalate coated with polycaprolactone nanofibers in combination with biodagradable Hexalon ACL/PCL screws as a new possibility of ...
  • Strengthening under Load: Experimental and Numerical Research 

    Vild, Martin; Bajer, Miroslav (IOPSCIENCE, 2015-11-02)
    The paper presents experimental and numerical research of strengthening of columns under load using welded plates. Three sets of three columns each were tested. The results from the experiments and numerical simulations ...
  • Effect of firing temperature on the structure of the aggregate from sintered ashes 

    Černý, Vít; Tůmová, Eva (Elsevier, 2016-08-03)
    Production of artificial aggregate from ashes is worldwide known technology that uses up to 100% of ash in the mixture. There are known two types of aggregate. First is based on binders and known as cold-bonded. Second ...
  • Influence of Micro-Structure on the Fatigue Crack Propagation in Bridge Steel 

    Seitl, Stanislav; Miarka, Petr; Pokorný, Pavel; Fintová, Stanislava; Klusák, Jan (MDPI, 2018-06-19)
    The use of high strength steels (HSS) allows designing lighter, slenderer and simpler structures with high structural performance. In general, the use of HSS leads to weight reduction of the whole structure, which compensates ...
  • Multi-parameter crack tip stress state description for estimation of fracture process zone extent in silicate composite WST specimens 

    Veselý, Václav; Sobek, Jakub; Malíková, Lucie; Frantík, Petr; Seitl, Stanislav (Gruppo Italiano Frattura, 2013-04-15)
    For wedge splitting test specimens, the stress and displacement fields both in the vicinity and also in large distance from the crack tip are investigated by means of numerical methods. Several variants of boundary conditions ...
  • Methodology for the quantification of concrete sustainability 

    Teplý, Břetislav; Vymazal, Tomáš; Rovnaníková, Pavla (EDP Sciences, 2018-06-26)
    LCA is a method that evaluates the life cycle of a structure from the point of view of its impact on the environment. Consideration is given also to energy and raw material costs, as well as to environmental impact throughout ...
  • Experimental Analysis of Steam Condensation in Vertical Tube with Small Diameter 

    Kubín, Milan; Hirš, Jiří; Plášek, Josef (Elsevier, 2016-01-12)
    Thermal design of tubular heat exchanger based on condensation heat of water steam requires knowledge of condensation heat transfer in the each tube. This paper is just aimed on experimental analysis of steam condensation ...
  • Experimental Increase in the Efficiency of a Cooling Circuit Using a Desuperheater 

    Formánek, Marian; Horák, Petr; Diblík, Josef; Hirš, Jiří (Budapest University of Technology and Economics, 2016-05-02)
    Waste heat from cooling circuits can be a useful source of energy for other applications, such as domestic hot water heaters. Furthermore, by removing waste heat from the cooling circuit, its effectiveness can theoretically ...
  • Composites Based on Alternative Raw Materials at High Temperature Conditions 

    Melichar, Tomáš; Bydžovský, Jiří; Dufka, Amos (Budapest University of Technology and Economics, 2017-10-24)
    This paper presents newly developed polymer-cement composites. The primary binder (cement) was partially substituted by use of blast-furnace slag and high-temperature fly ash. A lightweight aggregate – agloporite (grain ...
  • Evaluation of pairwise distances among points forming a regular orthogonal grid in a hypercube 

    Sadílek, Václav; Vořechovský, Miroslav (VGTU Press, 2018-09-21)
    Cartesian grid is a basic arrangement of points that form a regular orthogonal grid (ROG). In some applications, it is needed to evaluate all pairwise distances among ROG points. This paper focuses on ROG discretization ...
  • Assessment of empirical formulae for determining the hydraulic conductivit of glass beads 

    Říha, Jaromír; Petrula, Lubomír; Hala, Mario; Alhasan, Zakaraya (De Gruyter Open, 2018-08-14)
    Empirical formulae are often used in practice to quickly and cheaply determine the hydraulic conductivity of soil. Numerous relations based on dimensional analysis and experimental measurements have been published for the ...
  • Construction process optimisation – a review of methods, tools and applications 

    Venkrbec, Václav; Galić, Mario; PhD, Uroš Klanšek, (HSGI - Croatian Association of Civil Engineers, 2018-08-10)
    A review of current heuristic techniques and mathematical programming methods is presented in the paper. Modern optimisation modelling tools are presented, common construction optimisation problems are described, and an ...
  • Potential use of blast furnace slag for filtration membranes preparation: A pilot study 

    Bílek, Vlastimil; Bulejko, Pavel; Kejík, Pavel; Hajzler, Jan; Másilko, Jiří; Bednárek, Jan; Tkacz, Jakub; Kalina, Lukáš (IOP Publishing, 2018-07-12)
    This paper investigates the possibilities of the use of sodium hydroxide activated blast furnace slag for preparation of filtration barriers. The motivation for this research is searching for cheaper and more eco-friendly ...
  • Production of energy (biodiesel) and recovery of materials (biochar) from pyrolysis of urgan waste sludge 

    Callegari, Arianna; prof. Ing. Petr Hlavínek, CSc., MBA; Capodaglio, Andrea (Revista Ambiente & Água, 2018-03-21)
    Safe disposal of sewage sludge is one of the most pressing issues in the wastewater treatment cycle: at the European Union level, sludge production is expected to reach 13 Mt by year 2020.

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