Prohlížení Acta Polytechnica dle názvu

Zobrazují se záznamy 492-511 z 880

    • MICROSTRUCTURE DESCRIPTION AND MICROMECHANICAL PROPERTIES OF SPRUCE WOOD 

      Autor: Prošek , Zdeněk; Králík , Vlastimil; Topič , Jaroslav; Nežerka , Václav; Indrová , Kateřina; Tesárek , Pavel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      The knowledge about the microstructure and morphology of individual phases also allows an artificial modification of the material, or its processing, to produce engineered products with required properties. The purpose of ...

    • MINIMAL NON-INTEGER ALPHABETS ALLOWING PARALLEL ADDITION 

      Autor: Legerský , Jan
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      Parallel addition, i.e., addition with limited carry propagation has been so far studied for complex bases and integer alphabets. We focus on alphabets consisting of integer combinations of powers of the base. We give ...

    • MINIMIZATION OF TOXIC EMISSIONS DURING BURNING LOW-GRADE FUEL AT KAZAKHSTAN THERMAL POWER PLANT 

      Autor: Askarova , Aliya; Šafařík , Pavel; Nugymanova , Aizhan; Bolegenova , Saltanat; Maximov , Valeriy; Bolegenova , Symbat
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2020)
      This paper presents new results of computational experiments on the implementation of Overfire Air (OFA) technologies using an example of a combustion chamber of the BKZ-75 boiler of the Shakhtinskaya power plant (Shakhtinsk, ...

    • Model of Customer Buying Behavior in the CZ Mobile Telecommunication Market 

      Autor: Grünwald , Ondrej
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      The Czech mobile telecommunication market constitutes an oligopoly of three operators, who have built a privileged position and effectively crush any competition. The entry of a new operator has been considered by the ...

    • MODEL OF HEAT SIMULATOR FOR DATA CENTERS 

      Autor: Novotný, Jan; Nožička, Jiří
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)
      The aim of this paper is to present a design and a development of a heat simulator, which will be used for a flow research in data centers. The designed heat simulator is based on an ideological basis of four-processor 1U ...

    • MODEL REFERENCE ADAPTIVE CONTROL-BASED GENETIC ALGORITHM DESIGN FOR HEADING SHIP MOTION 

      Autor: Al-Awad , Nasir Ahmad
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2020)
      In this paper, the heading control of a large ship is enhanced with a specific end goal, to check the unwanted impact of the waves on the actuator framework. The Nomoto model is investigated to describe the ship’s guiding ...

    • MODEL-BASED SECURITY ANALYSIS OF FPGA DESIGNS THROUGH REINFORCEMENT LEARNING 

      Autor: Vetter , Michael
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)
      Finding potential security weaknesses in any complex IT system is an important and often challenging task best started in the early stages of the development process. We present a method that transforms this task for FPGA ...

    • MODELING JET INTERACTIONS WITH THE AMBIENT MEDIUM 

      Autor: Beall, J. H.; Guillory, J.; Rose, D. V.; Wolff, Michael T.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      Recent high-resolution (see, e.g., [13]) observations of astrophysical jets reveal complex structures apparently caused by ejecta from the central engine as the ejecta interact with the surrounding interstellar material. ...

    • Modeling of Concrete Creep Based on Microprestress-solidification Theory 

      Autor: Havlásek , P.; Jirásek , M.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      Creep of concrete is strongly affected by the evolution of pore humidity and temperature, which in turn depend on the environmental conditions and on the size and shape of the concrete member. Current codes of practice ...

    • MODELING OF FLOWS THROUGH A CHANNEL BY THE NAVIER–STOKES VARIATIONAL INEQUALITIES 

      Autor: Kračmar, Stanislav; Neustupa, Jiří
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      We deal with a mathematical model of a flow of an incompressible Newtonian fluid through a channel with an artificial boundary condition on the outflow. We explain how several artificial boundary conditions formally follow ...

    • MODELING OF MATERIAL BALANCE FROM THE EXPERIMENTAL UCG 

      Autor: Durdán , Milan; Terpák , Ján; Kačur , Ján; Laciak , Marek; Flegner , Patrik
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2020)
      The underground coal gasification is a continually evolving technology, which converts coal to calorific gas. There are many important parameters in this technology, which are difficult to measure. These parameters include ...

    • MODELLING SIMULATION AND PARAMETER IDENTIFICATION OF ACTIVE POLLUTION REDUCTION WITH PHOTOCATALYTIC ASPHALT 

      Autor: Kruschwitz , Jens; Lind , Martin; Muntean , Adrian; Richardson , Omar; Wondmagegne , Yosief
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)
      We develop and implement a numerical model to simulate the effect of photocatalytic asphalt on reducing the concentration of nitrogen monoxide (NO) due to the presence of heavy traffic in an urban environment. The contributions ...

    • MODERNIZATION FEATURES OF A VACUUM INSTALLATION BASED ON LOW-PRESSURE ARC DISCHARGE FOR COMPOSITE TIN-CU LAYERS FORMATION 

      Autor: Tsyrenov , Dmitriy; Semenov , Aleksandr; Smirnyagina , Natalia
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      A hybrid technology for forming composite TiN-Cu layers under the combined influence of a magnetron and low pressure arc discharges has been designed. The parameters of the plasma generator have been studied. The technological ...

    • Modification of Composite Material Fillers by Atmospheric Plasma Discharge 

      Autor: Tichy , David; Hajkova , Pavlina
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      This work is focused on the observation of the influence of cold atmospheric dielectric barrier discharge (DBD) on a modification of textile samples. The main objective of the experiment is to research wettability change ...

    • MODIFICATION OF HIERARCHICAL AGGLOMERATIVE CLUSTERING WITH COMPLETE LINKAGE FOR OPTIMAL USAGE WITH PASSIVE OPTICAL NETWORKS 

      Autor: Pehnelt , Tomáš; Lafata , Pavel; Nevosad , Marek
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      Today, passive optical networks (PONs) represent a modern solution for high-speed FTTx subscriber lines and networks. Due to the fact that optical fibres and cables are deployed in last-mile network segments. Unfortunately, ...

    • MODIFICATION OF POWDER MATERIAL BY COMPACTION PROCESSING 

      Autor: Peciar , Peter; Macho , Oliver; Eckert , Maroš; Kabát , Juraj; Gabrišová , Ľudmila; Kotora , Peter; Fekete , Roman; Peciar , Marián
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)
      There are different criteria for assessing the appropriateness of an agglomeration technology in the deployment processing of dry, fine and dirty dust burdening in the communal and working environment. Besides the benefit ...

    • MODIFIED EQUATION FOR A CLASS OF EXPLICIT AND IMPLICIT SCHEMES SOLVING ONE-DIMENSIONAL ADVECTION PROBLEM 

      Autor: Bodnár, Tomáš; Fraunié, Philippe; Kozel, Karel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      This paper presents the general modified equation for a family of finite-difference schemes solving one-dimensional advection equation. The whole family of explicit and implicit schemes working at two time-levels and having ...

    • Modified Korteweg-de Vries equation as a system with benign ghosts 

      Autor: Smilga, Andrei
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      We consider the modified Korteweg-de Vries equation, uxxx + 6u2ux + ut = 0, and explore its dynamics in spatial direction. Higher x derivatives bring about the ghosts. We argue that these ghosts are benign, i.e., the ...

    • MODIFIED POSSIBILISTIC FUZZY C-MEANS ALGORITHM FOR CLUSTERING INCOMPLETE DATA SETS 

      Autor: Rustam; Usman, Koredianto; Kamaruddin, Mudyawati; Chamidah, Dina; Nopendri; Saleh, Khaerudin; Eliskar, Yulinda; Marzuki, Ismail
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      A possibilistic fuzzy c-means (PFCM) algorithm is a reliable algorithm proposed to deal with the weaknesses associated with handling noise sensitivity and coincidence clusters in fuzzy c-means (FCM) and possibilistic c-means ...

    • 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 ...