Prohlížení Časopisy dle názvu
Zobrazují se záznamy 1762-1781 z 1843
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U SMART ZONE – Creating highly realistic virtual environment for vehicle-in-the-loop simulations
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2023)Developing Advanced Driver Assistance Systems (ADAS) and Autonomous Vehicles (AV) based on machine learning is generally an extensive and costly process. Due to the increasing complexity of autonomous systems, the need for ... -
UHPC SANDWICH STRUCTURES WITH COMPOSITE COATING UNDER COMPRESSIVE LOAD
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)Ultra-high-performance concrete (UHPC) sandwich structures with composite coating serve as multipurpose load-bearing elements. The UHPC’s extraordinary compressive strength is used in a multi-material construction element, ... -
Ultra Low Dispersion Spectroscopy with Gaia and Astronomical Slitless Surveys
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)The ultra-low dispersion spectroscopy to be applied in the ESA Gaia space observatory and the ground-based objective-prism plate surveys represent a similar type of astrophysical data. Although the dispersion in plate ... -
ULTRA-HIGH-PERFORMANCE FIBRE-REINFORCED CONCRETE UNDER HIGH-VELOCITY PROJECTILE IMPACT - PART 2. APPLICABILITY OF PREDICTION MODELS
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)Semi-infinite targets of Ultra-High-Performance Fibre-Reinforced Concrete with various fibre volume fractions were subjected to the high-velocity projectile impact using in-service bullets. In this study, a variety of ... -
ULTRA-HIGH-PERFORMANCE FIBRE-REINFORCED CONCRETE UNDER HIGH-VELOCITY PROJECTILE IMPACT. PART I. EXPERIMENTS
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)A series of cratering experiments were performed where the response of the Ultra-High-Performance Fibre-Reinforced Concretes with various fibre volume fractions to the high- velocity projectile impact loading was investigated. ... -
ULTRA-LOW INTENSITY PROTON BEAMS FOR RADIATION RESPONSE RELATED EXPERIMENTS AT THE U-120M CYCLOTRON
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)The U-120M cyclotron at the Nuclear Physics Institute (NPI) of the Czech Academy of Sciences in Rez is used for radiation hardness tests of electronics for high-energy physics experiments. These tests are usually carried ... -
ULTRAHIGH ENERGY COSMIC RAYS: REVIEW OF THE CURRENT SITUATION
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)We describe the current situation of the data on the highest energy particles in the Universe – the ultrahigh energy cosmic rays. The new results in the field come from the Telescope Array experiment in Utah, U.S.A. For ... -
ULTRASONIC SOLDERING OF Cu AND Al2O3 CERAMICS BY USE OF Bi-La AND Bi-Ag-La SOLDERS
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)This work deals with the effect of solder alloying with a small amount of lanthanum on joint formation with metallic and ceramic substrate. The Bi-Ag – based solder with 2 wt.% lanthanum addition and Bi solder with 2 wt.% ... -
Uncertainty assessment for the Bayesian updating process of concrete strength properties
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)Reassessment of infrastructure buildings has become an essential approach to deal with increasing traffic loads on ageing infrastructure buildings and to verify the service-life of those structures. Good estimation of the ... -
UNCERTAINTY EVALUATION IN CRITICALITY CALCULATIONS USING THE TSUNAMI METHODOLOGY
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)Procedure of criticality calculations and uncertainty evaluations currently has several insufficiencies which could lead to potential non–conservativeness. Paper discuss and describes possibilities of elimination of these ... -
UNCERTAINTY PROPAGATION FOR LWR BURNUP BENCHMARK USING SAMPLING BASED CODE SCALE/SAMPLER
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)Sampling based method is adopted in many fields of engineering and it is currently used to propagate uncertainties from physical parameters and from nuclear data, to integral indicators of nuclear systems. The total ... -
UNDERGROUND AIR DUCT TO CONTROL RISING MOISTURE IN HISTORIC BUILDINGS: IMPROVED DESIGN AND ITS DRYING EFFICIENCY
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)The underground air ducts along peripheral walls of a building are a remediation method, which principle is to enable an air flow along the moist building structure’s surface to allow a sufficient evaporation of moisture ... -
Unique and innovative technology for sustainable and efficient structural concrete made of 100% recycled aggregate from CDW
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)For supporting an environmental and social approach to the construction industry, the authors are bringing a new unique technology for maintaining the production of sustainable and efficient structural concrete made of ... -
UNSTEADY FLOW OF THIXOTROPIC COLLAGEN SUBSTANCE IN PIPES
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)Unsteady flow of thixotropic liquid in pipes is solved by 1D and 2D numerical methods using the same constitutive equation — the only difference is in the radial diffusion of the structural parameter. Comparison shows that ... -
Unveiling the Nature of INTEGRAL Objects: a Review
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2014)Since its launch in October 2002, the INTEGRAL observatory has improved our knowledge of the hard X-ray sky above 20 keV, carrying out more than ten years of observations in the energy range from 5 keV to 8 MeV. The most ... -
UPDATED VERSION OF THE SIMPLIFIED MODEL OF INTENSIVELY BLASTED ELECTRIC ARC
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)The article deals with an improvement of a simplified model of intensively blasted electric arc burning in argon in an anode channel of a modular-type arc heater. Gradually gained experience in the application of the model ... -
US Astronomical Photographic Data Archives: Hidden Treasures and Importance for High-Energy Astrophysics
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2014)We report here on an ongoing investigation of US astronomical plate archives and tests of the suitability of transportable scanning devices for in situ digitization of archival astronomical plates, with emphasis on application ... -
USE OF DISC SPRINGS IN A PELLET FUEL MACHINE FOR PRESSURE REGULATION AND PREVENTION OF DAMAGE
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)The use of biomass fuel pellets is becoming widespread as a renewable and environment-friendly energy. Pellet fuels are produced in various pellet machine types. Pellet machines encounter problems such as pressure ... -
Use of energy profile indicators to determine the expected range of heating energy consumption
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)A small set of query variables designed to collect information about the energy-related features of residential buildings is presented. These “energy profile indicators” include information about those visible characteristics ... -
USE OF FINELY GROUND RECYCLED CONCRETE FOR IMPROVEMENT OF INTERFACIAL ADHESION IN FIBER-REINFORCED CEMENTITIOUS COMPOSITES
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)This paper deals with an improvement and an assessment of a polymeric macro-fibers adhesion to the cement matrix. For this purpose, two approaches were employed – (i) roughening of fibers using a plasma treatment and (ii) ...