• Structural Variability of 3C 111 on Parsec Scales 

      Autor: Grossberger , C.; Kadler , M.; Wilms , J.; Müller , C.; Beuchert , T.; Ros , E.; Ojha , R.; Aller , M.; Aller , H.; Angelakis , E.; Fuhrmann , L.; Nestoras , I.; Schmidt , R.; Zensus , J. A.; Krichbaum , T. P.; Ungerechts , H.; Sievers , A.; Riquelme , D.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      We discuss the parsec-scale structural variability of the extragalactic jet 3C111 related to a major radio flux density outburst in 2007. The data analyzed were taken within the scope of the MOJAVE, UMRAO, and F-GAMMA ...
    • On the Relation Between GRB Classes and Xray Flashes 

      Autor: Bagoly , Z.; Veres , P.; Horváth , I.; Mészáros , A.; Balázs , L. G.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      Gamma-ray bursts are usually classified into either short-duration or long-duration bursts. Going beyond the short-long classification scheme, it has been shown on statistical grounds that a third, intermediate population ...
    • Optimal Combustion Conditions for a Smallscale Biomass Boiler 

      Autor: Plaček , Viktor; Oswald , Cyril; Hrdlička , Jan
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      This paper reports on an attempt to achieve maximum efficiency and lowest possible emissions for a small-scale biomass boiler. This aim can be attained only by changing the control algorithm of the boiler, and in this way ...
    • Plasma Surface Treatment of Powder Materials — Process and Application 

      Autor: Pavlatová , Monika; Horáková , Marta; Hladík , Jan; Špatenka , Petr
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      Polyolefin particles are hydrophobic, and this prevents their use for various applications. Plasma treatment is an environment-friendly polyolefin hydrophilisation method. We developed an industrial-scale plant for plasma ...
    • Research and development of CO2 Capture and Storage Technologies in Fossil Fuel Power Plants 

      Autor: Pilař , Lukáš; Hrdlička , Jan
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      This paper presents the results of a research project on the suitability of post-combustion CCS technology in the Czech Republic. It describes the ammonia CO2 separation method and its advantages and disadvantages. The ...
    • The Effect of Temperature on the Gasification Process 

      Autor: Baláš , Marek; Lisý , Martin; Štelcl , Ota
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      Gasification is a technology that uses fuel to produce power and heat. This technology is also suitable for biomass conversion. Biomass is a renewable energy source that is being developed to diversify the energy mix, so ...
    • 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 ...
    • 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 ...
    • Modularity of Pressing Tools for Screw Press Producing Solid Biofuels 

      Autor: Matúš , Miloš; Križan , Peter
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      This paper focuses on the development of the newly-patented structure of a screw briquetting machine for compacting biomass into a solid biofuel. The design of the machine is based on the results of a comprehensive study ...
    • Biomass Gasification — Primary Methods for Eliminating Tar 

      Autor: Lisý , Martin; Baláš , Marek; Moskalík , Jiří; Štelcl , Otakar
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      This present paper deals with primary methods for reducing tar in biomass gasification, namely by feeding a natural catalyst into a fluidized bed. This method is verified using an experimental pilot plant.
    • 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 ...
    • An Application of the Individual Channel Analysis and Design Approach to Control of a Twoinput Twooutput Coupledtanks System 

      Autor: Murray-Smith , David J.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      Frequency-domain methods have provided an established approach to the analysis and design of single-loop feedback control systems in many application areas for many years. Individual Channel Analysis and Design (ICAD) is ...
    • 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 ...
    • Creating a Multiaxis 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 ...
    • Influence of the Amount of Master Alloy on the Properties of Austenitic Stainless Steel AISI 316L Powder Sintered in Hydrogen 

      Autor: Skaloń , Mateusz; Kazior , Jan
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      AISI 316L austenitic stainless steel powder was modified with four different amounts of boron (0.1; 0.2; 0.3; 0.4 of wt. %) in the form of MasterAlloy micro-powder, and was sintered in a pure dry hydrogen atmosphere in ...
    • 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 ...
    • Simulation of a Matrix Converter Fed Drive With Sliding Mode Control 

      Autor: Bauer , Jan
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      Induction machines are among the most widely used electrical-to-mechanical converters in electric drives. Their advantageous robustness and simplicity goes hand-in-hand with complicated control. A converter with a suitable ...
    • 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 ...
    • 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, ...
    • The Simulation of the Influence of Water Remnants on a Hot Rolled Plate after Cooling 

      Autor: Zahradník , Radek
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      In situations when a sheet metal plate of large dimensions is rolled, water remnants from cooling can be observed on the upper side of the plate. This paper focuses on deformations of a hot rolled sheet metal plate that ...