Zobrazují se záznamy 751-770 z 1843

    • GEOTECHNICAL ANALYSIS OF TRANSFORMING A WATER MANAGEMENT STRUCTURE TO A TRANSPORTATION STRUCTURE 

      Autor: Slávik, Ivan; Hruštinec, Luboš
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      This paper analyzes the transformation of the culvert channel under the supply channel of the Gabcíkovo Waterworks into a road tunnel structure and the impact this had on the surrounding rock environment. It presents the ...
    • Geotechnical and microstructural properties of cement-treated laterites stabilized with rice husk ash and bamboo leaf ash 

      Autor: Nnochiri, Emeka Segun; Ogundipe, Olumide Moses; Ola, Samuel Akinlabi
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      This study investigated the geotechnical and microstructural properties of cement-treated laterites stabilized with rice husk ash and bamboo leaf ash. In going about the tests, the soil sample was subjected to compaction, ...
    • GLASS WASTE POWDER UTILIZATION IN HIGH PERFORMANCE CONCRETE 

      Autor: Mariaková, Diana; Vlach, Tomáš; Pavlů, Tereza
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)
      This paper deals with investigation of high-performance concrete (HPC) with full replacement of the silica powder by the waste glass powder. The silica powder was replaced by two types of the waste glass powder, originated ...
    • gln+1 ALGEBRA OF MATRIX DIFFERENTIAL OPERATORS AND MATRIX QUASI-EXACTLY-SOLVABLE PROBLEMS 

      Autor: Smirnov F., Yuri; Turbiner , Alexander
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      The generators of the algebra gln+1 in the form of differential operators of the first order acting on Rn with matrix coefficients are explicitly written. The algebraic Hamiltonians for matrix generalization of 3−body ...
    • Global Optima for Size Optimization Benchmarks by Branch and Bound Principles 

      Autor: Pospíšilová , Adéla; Lepš , Matej
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      This paper searches for global optima for size optimization benchmarks utilizing a method based on branch and bound principles. The goal is to demonstrate the process for finding these global optima on the basis of two ...
    • GLORIA and Study of Cataclysmic Variables 

      Autor: Hudec, R.; Šimon, V.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      We report here on the ongoing EU FP7 Project GLORIA (GLObal Robotic-telescopes Intelligent Array) with emphasis on possibility of investigation of cataclysmic variables by users. GLORIA will enable the first free and ...
    • Glued timber concrete composite walls using ultra-high-performance concrete 

      Autor: Oberndorfer, Thomas; Hunger, Frank; Fischer, Oliver
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      This paper gives a short introduction of the development of cross laminated timber (CLT) concrete composite walls with a glued connection. In the composite walls, prefabricated ultra-high-performance concrete (UHPC) lamellas ...
    • Golden Era of Cataclysmic Variables and Related Objects II: Concluding Remarks 

      Autor: Hudec, R.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      The cataclysmic variables continue to represent important part of modern astrophysics, as demonstrated, already second time, by the productive and successful conference Golden Era of Cataclysmic Variables and Related Objects ...
    • Gravitational Waves and Dark Energy 

      Autor: Biermann, Peter L.; Harms, Benjamin C.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2014)
      The idea that dark energy is gravitational waves may explain its strength and its time-evolution. A possible concept is that dark energy is the ensemble of coherent bursts (solitons) of gravitational waves originally ...
    • GRB Duration Distribution Considering the Position of the Fermi 

      Autor: Szécsi , D.; Bagoly , Z.; Horváth , I.; Balázs , L. G.; Veres , P.; Mészáros , A.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      The Fermi satellite has a particular motion during its flight which enables it to catch the gamma-ray bursts mostly well. The side-effect of this favourable feature is that the lightcurves of the GBM detectors are stressed ...
    • GRB INVESTIGATIONS BY ESA GAIA AND LOFT 

      Autor: Hudec, René; Šimon, Vojtech; Hudec, Lukáš
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      The possibility of studying GRBs with the ESA Gaia and LOFT missions is briefly addressed. The ESA Gaia satellite to be launched in November 2013 will focus on high precision astrometry of stars and all objects down to ...
    • Growth and Physical Structure of Amorphous Boron Carbide Deposited by Magnetron Sputtering on a Silicon Substrate with a Titanium Interlayer 

      Autor: Caniello , Roberto; Vassallo , Espedito; Cremona , Anna; Grosso , Giovanni; Dellasega , David; Canetti , Maurizio; Miorin , Enrico
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      Multilayer amorphous boron carbide coatings were produced by radiofrequency magnetron sputtering on silicon substrates. To improve the adhesion, titanium interlayers with different thickness were interposed between the ...
    • H2 PERMEATION BEHAVIOR OF Cr2AlC AND Ti2AlC MAX PHASE COATED ZIRCALOY-4 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 ...
    • HARDNESS OF HYBRID PVD-PECVD W-C:H COATINGS VS. SUBSTRATE TYPE 

      Autor: Lofaj, František; Kabátová, Margita
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2020)
      The effects of substrate on the measurement of hardness (and indentation modulus) - penetration depth profiles were investigated on hybrid PVD-PECVD W-C:H coatings made with the additions of C2H2 or CH4 using High Power ...
    • HARDNESS OF NITRIDED LAYERS TREATED BY PLASMA NITRIDING 

      Autor: Joska, Zdeněk; Pokorný, Zdeněk; Kadlec, Jaromír; Studený, Zbyněk; Svoboda, Emil
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2020)
      Stainless steels, particularly the austenitic stainless grades are widely used in many industries due to good corrosion resistance, but very poor mechanical properties as surface hardness and wear resistance limit its ...
    • HAVmS: Highly Available Virtual Machine Computer System Fault Tolerant with Automatic Failback and Close to Zero Downtime 

      Autor: Federici, Memmo; Gaibisso, Carlo; Martino, Bruno L.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2014)
      In scientic computing, systems often manage computations that require continuous acquisition of of satellite data and the management of large databases, as well as the execution of analysis software and simulation models ...
    • Heat Exchangers for Condensation and Evaporation Applications Operating in a Low Pressure Atmosphere 

      Autor: Kracík , Petr; Pospíšil , Jiří; Šnajdárek , Ladislav
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)
      This paper presents a state-of-the-art study of a heat transfer process in liquid spraying heat exchangers placed in a vacuum chamber. The experimental case studied here describes the behavior of a falling film evaporation ...
    • HEAT FLUX JUMP METHOD AS A POSSIBILITY OF CONTACTLESS MEASUREMENT OF LOCAL HEAT TRANSFER COEFFICIENTS 

      Autor: Solnař, Stanislav; Dostál, Martin
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)
      This article deals with the derivation of the temperature response of the finite thickness wall, which is heated by heat flow, as a possibility to measure the local values of the heat transfer coefficient with a very high ...
    • Heat transfer characteristics of double pipe heat exchanger having externally enhanced inner pipe 

      Autor: Vijayaragavan, Balasubramanian; Asok, Suyambu Pandian; Shakthi Ganesh, Chandrasekar Ramalekshmi
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2023)
      An investigation on enhancement of heat transfer is carried out for a double pipe heat exchanger in which the outer wall of the inner pipe is provided with circumferential labyrinth passages. Rectangular and triangular ...
    • HEAT TRANSFER ENHANCEMENT AND FRICTION IN DOUBLE PIPE HEAT EXCHANGER WITH VARIOUS NUMBER OF LONGITUDINAL GROOVES 

      Autor: Sunu , Putu Wijaya; Anakottapary , Daud Simon; Suarta , I Made; Santosa , I Dewa Made Cipta; Suarsana , Ketut
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2020)
      It has been found out that heat exchangers with longitudinal grooves produce better heat transfer than those without longitudinal grooves. However, up to now, there have been few investigations and applications of longitudinal ...