• A METHOD OF COMPLEX CALCULATION OF RATIONAL STRUCTURAL PARAMETERS OF RAILWAY HUMPS 

      Autor: Panchenko , Sergii; Ohar , Oleksandr; Kutsenko , Maksym; Smachilo , Julia
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      The article deals with a method of complex calculation of rational structural parameters of humps at classification yards. Unlike existing methods, this method allows an implementation of the technology of guided gravity ...
    • ANAEROBIC DIGESTION OF LANDFILL LEACHATE WITH NATURAL ZEOLITE AND SUGARCANE BAGASSE FLY ASH AS THE MICROBIAL IMMOBILIZATION MEDIA IN PACKED BED REACTOR 

      Autor: Sudibyo , Hanifrahmawan; Shabrina Lini, Zata; Wondah Rafih, Hartika; Hastuti Tri, Retno; Purnomo Wahyu, Chandra; Budhijanto , Wiratni
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      To enhance the digestion rate of a landfill leachate in the anaerobic packed bed reactor, a natural zeolite and sugarcane bagasse fly ash (BFA) were tested as the immobilization media. In order to scale up this process and ...
    • ANALYSIS OF DALLARA T12 RACE CAR FRONT WING VIBRATIONS 

      Autor: Sorokin Alekseevich, Pavel; Khryakov Stanislavovich, Kirill; Gommers , Michiel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      This work investigates aerodynamic elements’ vibrations of high-speed vehicles on the example of the Dallara T12 race car front wing. Made up energy spectrums of wing vibrations for three specific cases arising during ...
    • APPLICABILITY OF CARBON FIBRES IN REFRACTORY CEMENT COMPOSITES 

      Autor: Holčapek , Ondřej; Reiterman , Pavel; Konvalinka , Petr
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      The main objective of this article is to present the influence of high temperatures on mechanical properties of advanced refractory cement composite reinforced with carbon fibres. The presented material is suitable for ...
    • APPLICATION OF CORROSION PLATES IN DRINKING WATER 

      Autor: Skalický , Michal
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      Drinking water has always been, is and will be a strategic raw material. Stopping corrosion or at least minimisation of its impact while keeping quality drinking water supplies is a big challenge for the future. That is ...
    • APPLICATION OF THE TEMPERATURE OSCILLATION METHOD IN HEAT TRANSFER MEASUREMENTS AT THE WALL OF AN AGITATED VESSEL 

      Autor: Solnař , Stanislav; Dostál , Martin; Petera , Karel; Jirout , Tomáš
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      The Temperature Oscillation Infra-Red Thermography (TOIRT) was used to measure convective heat transfer coefficients at the inner vertical wall of an agitated and baffled vessel. Two impellers were used: an axial six-blade ...
    • AUTOMATIC CLASSIFICATION OF POINT CLOUDS FOR HIGHWAY DOCUMENTATION 

      Autor: Hůlková , Martina; Pavelka , Karel; Matoušková , Eva
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      Mobile laser scanning systems confirmed the capability for detailed roadway documentation. Hand in hand with enormous datasets acquired by these systems is the increase in the demands on the fast and effective processing ...
    • AUTOMATIC WINDING GENERATION USING MATRIX REPRESENTATION ANFRACTUS TOOL 10 

      Autor: Ouamara , Daoud; Dubas , Frédéric; Benallal , Mohamed Nadjib; Randi , Sid Ali; Espanet , Christophe
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      This paper describes an original approach dealing with AC/DC winding design in electrical machines. A research software called “ANFRACTUS Tool 1.0”, allowing automatic generation of all windings in multi-phases electrical ...
    • BATHYMETRY FROM WORLDVIEW3 SATELLITE DATA USING RADIOMETRIC BAND RATIO 

      Autor: Parente , Claudio; Pepe , Massimiliano
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      The use of optical satellite sensors allows to obtain bathymetry data on large area ina short time and in a cheap way. In addition, in particular places where it is difficult to carry out the survey by classic methods, the ...
    • CHARACTERIZATION OF RECYCLED LINEAR DENSITY POLYETHYLENE/IMPERATA CYLINDRICA PARTICULATE COMPOSITES 

      Autor: Olusunmade Femi, Olusola; Zechariah , Sunday; Yusuf Ayotunde, Taofeek
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      Water-sachets made from low density polyethylene (LDPE) form a bulk of plastic wastes which creates environmental challenges, while certain species of plants like Imperata cylindrica constitute large portion of weeds on ...
    • CHIMNEY RESERVOIRS: UNIQUE TECHNICAL STRUCTURES FROM THE FIRST HALF OF THE 20TH CENTURY IN THE CZECH REPUBLIC 

      Autor: Vonka , Martin; Kořínek , Robert
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      In the past, various methods and technological systems were used to supply water on industrial and other sites. In the early 19th century, Professor Otto Intze invented a new form of water reservoir that could be installed ...
    • COMPARISON OF ACTUAL GROUND SETTLEMENTS IN TUNNELLING EXCAVATION TO MODEL PREDICTIONS 

      Autor: Saplachidi , Alexandra; Vougioukas , Emmanouil
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      It has been discovered that the underground structures are vulnerable to seismic phenomena mainly due to permanent ground deformations caused by earthquakes rather than the dynamic seismic movement itself. Several models ...
    • Editorial: FAREWELL AND WELCOME NEW EDITORINCHIEF 

      Autor: Adlerová , Iva
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      My seven years with Acta Polytechnica ended on June 30. The opportunity to lead this journal from a local list of reviewed periodicals to the prestigious databases – Web of Science, Scopus, Inspec, CAS and more – was a ...
    • EFFECT OF IMPERATA CYLINDRICA REINFORCEMENT FORM ON THE TENSILE AND IMPACT PROPERTIES OF ITS COMPOSITES WITH RECYCLED LOW DENSITY POLYETHYLENE 

      Autor: Olusunmade Femi, Olusola; Bulus Emmanuel, Abba; Kashin Kelvin, Terwase
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      Composites of recycled low-density polyethylene obtained from waste water-sachets and imperata cylindrica were produced with particulate and long-fibre unidirectional mat reinforcements. Comparison was made of the tensile ...
    • EFFECT OF THE APPLICATION OF MICROWAVE ENERGY ON THE REGENERATION OF THE ADSORBENT 

      Autor: Dobrotvorskiy , Sergey; Aleksenko , Borys; Dobrovolska , Ludmila; Basova , Yevheniia
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      Today, energy conservation is a priority. This is due to the shortage of energy resources, the growth of their cost and global environmental problems. The production of compressed air is a wery costly and power-consuming ...
    • EFFECTS ON THE FINAL INTENSITY OF INPUT FORCES IN LONGBOLTS INSTALLED AT THE MINING OPERATION 2 AREA OKD INC 

      Autor: Dvořák , Pavel; Jiránková , Eva
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      In the deep coal mines of OKD, Inc., both bolts and long bolts of different designs are used for the rock massif and steel arch support reinforcement. Continuous measurement of forces in 6 strand bolts and 1 cable bolt ...
    • ESTIMATION OF THE LATERAL AERODYNAMIC COEFFICIENTS FOR SKYWALKER X8 FLYING WING FROM REAL FLIGHTTEST DATA 

      Autor: Mohammadi Farhadi , Rahman; Kortunov , Vyacheslav; Molchanov , Andrii; Solianyk , Tatiana
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      Stability and control derivatives of Skywalker X8 flying wing from flight-test data are estimated by using the combination of the output error and least square methods in the presence of the wind. Data is collected from ...
    • EVALUATION OF SENSOR SIGNAL PROCESSING METHODS IN TERMS OF INFORMATION THEORY 

      Autor: Flegner , Patrik; Kačur , Ján
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      The paper deals with the examination of basic methods of evaluation of sensor signals in terms of the information content of the given method and the used technical means. In this respect, methods based on classical analog ...
    • EXPERIMENTAL CHARACTERIZATION OF A MAGNETOHYDRODYNAMIC POWER GENERATOR UNDER DC ARC PLASMA 

      Autor: Ayeleso Oluwaseun, Ayokunle; Kahn T. E., Mohamed
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      The generation of electric power through the conventional systems (thermal and hydroelectric) is no longer sufficient to meet the increasing industrial and commercial usage. Therefore, an alternative energy conversion ...
    • H2 PERMEATION BEHAVIOR OF Cr2AlC AND Ti2AlC MAX PHASE COATED ZIRCALOY4 BY NEUTRON RADIOGRAPHY 

      Autor: Tang , Chongchong; Grosse Karl, Mirco; Trtik , Pavel; Steinbrück , Martin; Stüber , Michael; Seifert , Hans Jürgen
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      Hydrogen uptake by nuclear fuel claddings during normal operation as well as loss of coolant during design basis and severe accidents beyond design basis has a high safety relevance because hydrogen degrade the mechanical ...