• Change of Pressing Chamber Conicalness at Briquetting Process in Briquetting Machine Pressing Chamber 

      Autor: Križan , Peter; Matúš , Miloš; Kers , Jaan; Vukelić , Djordje
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      In this paper, we will present the impact of the conical shape of a pressing chamber, an important structural parameter. Besides the known impact of the technological parameters of pressing chambers, it is also very important ...
    • Checking the Geometric Accuracy of a Machine Tool for Selected Geometric Parameters 

      Autor: Janásek , Adam; Čep , Robert; Brychta , Josef
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      This paper deals with the control parameters for selected geometric accuracy measurements for a machine tool. The parameters were needed after a refurbished milling machine was purchased. After setting up the machine, it ...
    • Concepts of Emission Reduction in Fluidized Bed Combustion of Biomass 

      Autor: Purgar , Amon; Winter , Franz
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      A status report on fluidized bed technology in Austria is under preparation, in response to the Fluidized Bed Conversion multi-lateral technology initiative of the International Energy Agency. This status report focuses ...
    • Contributions to the Study of Dynamic Absorbers, a Case Study 

      Autor: Balcau , Monica; Plesa , Angela; Opruta , Dan
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      Dynamic absorbers are used to reduce torsional vibrations. This paper studies the effect of a dynamic absorber attached to a mechanical system formed of three reduced masses which are acted on by one, two or three order x ...
    • Control Algorithms for Large-scale Single-axis Photovoltaic Trackers 

      Autor: Schneider , Dorian
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      The electrical yield of large-scale photovoltaic power plants can be greatly improved by employing solar trackers. While fixed-tilt superstructures are stationary and immobile, trackers move the PV-module plane in order ...
    • Creating a Multi-axis Machining Postprocessor 

      Autor: Vavruška , Petr
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      This paper focuses on the postprocessor creation process. When using standard commercially available postprocessors it is often very difficult to modify its internal source code, and it is a very complex process, in many ...
    • Design Process of Energy Effective Shredding Machines for Biomass Treatment 

      Autor: Beniak , Juraj; Ondruška , Juraj; Čačko , Viliam
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      The shredding process has not been sufficiently investigated for the design of better, energy and material saving shredding machines. In connection with present-day concern about the environment, ecology, energy saving, ...
    • Determination of Uncertainties for Correlated Input Quantities by the Monte Carlo Method 

      Autor: Goliaš , Marcel; Palenčár , Rudolf
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      This paper presents the calculation of the uncertainty for distribution propagation by the Monte Carlo method for a measurement model with one output quantity. The procedure is shown on the basis of an example of the ...
    • Development of an Ultralight with a Ducted Fan 

      Autor: Brabec , Jiří; Helmich , Martin
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      This paper introduces the UL-39 project, an ultralight aircraft with a ducted fan, and some of the problems that have arisen in the course of its development. Several problems with the design of a non-traditional aircraft ...
    • Diamond Films for Implantable Electrodes 

      Autor: Henychová , Petra; Hiřmanová , Klára; Vraný , Martin
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      Diamond is a promising material for implantable electrodes due to its unique properties. The aim of this work is to investigate the growth of boron-doped nanocrystalline diamond (B-NCD) films by plasma-enhanced microwave ...
    • Effect of Gas Mixture Composition on the Parameters of an Internal Combustion Engine 

      Autor: Chríbik , Andrej; Polóni , Marián; Lach , Ján
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      This paper deals with the use of the internal combustion piston engine, which is a drive unit for micro-cogeneration units. The introduction is a brief statement of the nature of gas mixture compositions that are useful ...
    • Energetic Approach to Large Strain Gradient Crystal Plasticity 

      Autor: Kratochvíl , Jan; Kružík , Martin
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      We formulate a problem of the evolution of elasto-plastic materials subjected to external loads in the framework of large deformations and multiplicative plasticity. We focus on a spontaneous inhomogenization interpreted ...
    • Energy Accumulation by Hydrogen Technologies 

      Autor: Čermáková , Jiřina; Doucek , Aleš; Polák , Lukáš
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      Photovoltaic power plants as a renewable energy source have been receiving rapidly growing attention in the Czech Republic and in the other EU countries. This rapid development of photovoltaic sources is having a negative ...
    • Energy Estimation of Distributed Phase-shift Beamforming 

      Autor: Černý , Viktor
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      Ad-hoc and sensor networks are composed of small, low-power devices, which can connect between themselves without the help of an infrastructure. Research in this area has been both extensive and intensive and is still very ...
    • Energy Recovery from Contaminated Biomass 

      Autor: Moskalík , Jiří; Škvařil , Jan; Štelcl , Otakar; Baláš , Marek; Lisý , Martin
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      This study focuses on thermal gasification methods of contaminated biomass in an atmospheric fluidized bed, especially biomass contaminated by undesirable substances in its primary use. For the experiments, chipboard waste ...
    • ESSO — Electrification of the Central Labe Districts between 1916 and 1950 

      Autor: Holovský , Jan
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      Elektrárenský svaz stredolabských okresu, LLC (in English “The Power Plant Union of the Central Labe (Elbe)” districts, which will be referred to here as “ESSO”), came into existence in 1916 in response to growing interest ...
    • Evaluation of Bioelectrical Impedance Spectroscopy for the Assessment of Extracellular Body Water 

      Autor: Weyer , Sören; Röthlingshöfer , Lisa; Walter , Marian; Leonhardt , Steffen
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      This study evaluates bioelectrical impedance spectroscopy (BIS) measurements to detect body fluid status. The multifrequency impedance measurements were performed in five female pigs. Animals were connected to an extracorporeal ...
    • Experimental Investigation of Radial Gas Dispersion Coefficients in a Fluidized Bed 

      Autor: Štefanica , Jiří; Hrdlička , Jan
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      In a fluidized bed boiler, the combustion efficiency, the NOX formation rate, flue gas desulphurization and fluidized bed heat transfer are all ruled by the gas distribution. In this investigation, the tracer gas method ...
    • Explosion Cladding of Lead on Steel 

      Autor: Turňa , Milan; Ondruška , Jozef; Turňová , Zuzana
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      This work deals with explosion cladding of lead on steel. The welded materials and the Semtex S type explosive are characterised. The preparation of the welded materials and the proposed welding assembly are described. The ...
    • Femoral Test Bed for Impedance Controlled Surgical Instrumentation 

      Autor: Brendle , Christian; Niesche , Annegret; Korff , Alexander; Radermacher , Klaus; Leonhardt , Steffen
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      The risk for patients during the standard procedure of revision of cemented artificial hip joints is unsatisfactorily highdue to its high level of invasiveness and limited access to the operative field. To reduce this risk ...