Prohlížení Acta Polytechnica CTU Proceedings. 2016 ( vol. 3-6) dle názvu
Zobrazují se záznamy 1-20 z 60
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ACTIVATION ANALYSIS OF HISTORICAL SAMPLES AND NEUTRON SPECTRUM DETERMINATION AT VR-1 TRAINING REACTOR
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)Vertical irradiation channel of the VR-1 training reactor of the Department of Nuclear Reactors CTU was used for activation analysis of historical samples from the 14th to the 19th century. For determination of mass fractions ... -
ANALYSIS OF WELDED POLYPROPYLENE STRUCTURES: COMBINATION OF EXPERIMENTS AND SIMULATIONS
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)The effect of joining by extrusion welding on the tensional stiffness and strength of a Polypropylene copolymer was analysed. Short-term and creep tests with laboratory specimens were conducted. Welded joint sub-components ... -
ASSESSMENT OF BURNABLE ABSORBER FUEL DESIGN BY UWB1 DEPLETION CODE
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)UWB1 depletion code is being developed as a fast computational tool for the study of burnable absorbers in University of West Bohemia in Pilsen, Czech Republic. Research of fuel depletion aims at development and introduction ... -
ASSETS OF MODEL METRO STATION AND THEIR CRITICALITY
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)The paper deals with the identification of protected assets in the model metro station, which is a part of critical infrastructure in Praha; and with the identification of their criticality. A metro station is used by a ... -
CFD SIMULATION OF UPWARD SUBCOOLED BOILING FLOW OF FREON R12
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)Subcooled flow boiling under forced convection occurs in many industrial applications of purpose to maximize heat removal from the heat source by the very large heat transfer coefficient. This work deals with CFD simulations ... -
CHARACTERIZATION OF ULTRASONIC ASSISTED ADHESIVE JOINTS
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)Joining experiments using different adhesives were carried out. In addition to the adhesive, the specimens were also treated with ultrasonic waves to improve the load carrying capacity of the joined parts. Lap joint shear ... -
COMPARISON OF OPTICAL METHODS FOR CHARACTERIZATION OF GLASS MOSAIC WEATHERING
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)The work presented in this paper is a part of research project supported by Ministry of Culture and devoted to conservation of precious mosaic of "Last Judgement" on St. Vitus Cathedral in Prague. The aim of the project ... -
COMPARISON OF S-CO2 POWER CYCLES FOR NUCLEAR ENERGY
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)The supercritical carbon dioxide (S-CO2) is a possible cooling system for the new generations of nuclear reactors and fusion reactors. The S-CO2 power cycles have several advantages over other possible coolants such as ... -
CRITICALLITY OF TRANSPORTATION INFRASTRUCTURE IN THE CZECH REPUBLIC
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)The paper deals with transportation infrastructure criticality because this quantity determines the State capability to overcome the critical conditions and to ensure the inhabitants survival. The criticality rates for ... -
CURRENT CHALLENGES FOR RESEARCH ACTIVITIES IN THE FIELD OF RAILWAY INFRASTRUCTURE
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)The increasing importance of railway systems, arising from both national and European strategic documents, leads to increasing demands on its infrastructure. Transport development in the European territory is defined in ... -
DATABASE FINLIV – FOCUS ON STAIRCASE METHOD
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)This paper introduces FinLiv database focused on gathering, manipulating and providing experimental static and fatigue data. One of its new features is the ability to include also fatigue tests realized by the staircase method. -
DEFORMATION CHARACTERISTICS OF CHOPPED FIBRE COMPOSITES SUBJECTED TO QUASI-STATIC TENSILE LOADING
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)This work presents deformation behaviour of cost effective chopped fiber composites. Use of chopped fibre is advantageous for manufacturing however complex shape parts production technology could be challenging. Batches ... -
DEPLOYMENT OF ERTMS IN CZECH REPUBLIC
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)The article describes current situation and expected deployment of international standard for automatic rail vehicle protection in Czech Republic for period 2014 – 2020. Article introduces expected status in 2020 and ... -
DESIGN PARAMETERS OF BUFFER STOPS
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)Paper discuses reasons of building buffer stops and situations that may occur in railway station leading to build safety tracks. Also discusses parameters of buffer stops that enter its design, such as collision speed and ... -
DETERMINATION OF THERMAL RESPONSE OF CARRARA AND SNEZNIKOVSKY MARBLE USED AS A BUILDING MATERIALS
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)Physical weathering of marble, widely used as a cladding material on buildings, is one of the most common damaging mechanism caused by anisotropic thermal expansion of calcite grains. The extent of marble deterioration ... -
EVALUATION METRICS APPLIED TO ACCIDENT TOLERANT FUEL CLADDING CONCEPTS FOR VVER REACTORS
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)Enhancing the accident tolerance of LWRs became a topic of high interest in many countries after the accidents at Fukushima-Daiichi. Fuel systems that can tolerate a severe accident for a longer time period are referred ... -
EXPERIMENTAL VALIDATION OF CUMULATIVE SURFACE LOCATION ERROR FOR TURNING PROCESSES
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)The aim of this study is to create a mechanical model which is suitable to investigate the surface quality in turning processes, based on the Cumulative Surface Location Error (CSLE), which describes the series of the ... -
FLEXIBILITY TEST OF THE TOOLS OF ANGIOPLASTY
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)Coronary angioplasty is a procedure used to treat the narrowed coronary arteries. Physicians operate with many different tools during the intervention, the main devices are the following: guidewires, guiding catheters, ... -
FRAMEWORK FOR AD HOC NETWORK COMMUNICATION IN MULTI-ROBOT SYSTEMS
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)Assume a team of mobile robots operating in environments where no communication infrastructure like routers or access points is available. The robots have to create a mobile ad hoc network, in that case, it provides ... -
HYDROGEN CHARGING OF FUEL CLADDING METHODOLOGY
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)Hydrogen content is a very important parameter for mechanical properties of fuel cladding, especially after LOCA transients. Therefore, it is necessary to take into account the amount of hydrogen absorbed in the fuel ...