Prohlížení Ústřední knihovna ČVUT dle názvu
Zobrazují se záznamy 360-379 z 2019
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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 ... -
Comparison of selected parameters for evaluation of rail surface damage intensity
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)This paper deals with the issue of evaluation of a rail surface damage (RSD) intensity. Some ways of calculating parameters that represent the RSD are described. In this context, a multi-body model of a railway vehicle was ... -
Comparison of the collapse frequency and failure probability of buildings
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)In a previous study, the collapse frequencies and associated mortalities of buildings were compiled based on various publications. The investigation showed a considerable scattering of collapse frequencies depending on the ... -
Comparison of thermal bridge calculation methods
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)We need to consider linear heat losses due to thermal bridges for the accurate calculation of building heat losses. Our research examined a whole building, and different thermal bridge calculation methods were compared. ... -
COMPARISON OF TOTAL PRESSURE FLUCTUATIONS IN STEAM TURBINE STAGES WITH DIFFERENT DEGREE OF REACTION
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)The contribution deals with analysis of unsteady pressure measurement in one and half axial turbine stages. The measurement was performed in VZLU air test turbine. Two stages geometries with different degree of reaction ... -
COMPARISON OF TWO TECHNIQUES FOR EVALUATING SPHERICAL INDENTATION DATA
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2020)Flow curves of 15Kh2MFA, Sv 08Kh19N10G2B and 08Kh18N10T steels used for fabrication of WWER-440 nuclear reactor pressure vessel and core internals were obtained using the automated ball indentation (ABI) test technique and ... -
COMPARISON OF VIRTUAL FIELDS METHOD, PARALLEL NETWORK MATERIAL MODEL AND FINITE ELEMENT UPDATING FOR MATERIAL PARAMETER DETERMINATION
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)Extracting material parameters from test specimens is very intensive in terms of cost and time, especially for viscoelastic material models, where the parameters are dependent of time (frequency), temperature and environmental ... -
COMPENSATION OF SPRINGBACK IN LARGE SHEET METAL FORMING
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)A precise production of sheet metal parts has always been a main goal in press shops. Highest quality demands are required especially in automotive production. Unfortunately, even today, the production is not optimal due ... -
Complex Covariance
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)According to some generalized correspondence principle the classical limit of a non-Hermitian quantum theory describing quantum degrees of freedom is expected to be the well known classical mechanics of classical degrees ... -
Complex topological soliton with real energy in particle physics
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)We summarise the procedure used to find the classical masses of Higgs particle, massive gauge boson and t’Hooft-Polyakov monopole in non-Hermitian gauge field theory. Their physical regions are explored, and the mechanism ... -
COMPLEXITY REDUCTION OF CYCLOSTATIONARY SENSING TECHNIQUE USING IMPROVED HYBRID SENSING METHOD
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2020)In cognitive radio system, the spectrum sensing has a major challenge in needing a sensing method, which has a high detection capability with reduced complexity. In this paper, a low-cost hybrid spectrum sensing method ... -
Comprehensive verification of the behavior of the continuous welded rail on the bridge
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)The aim of this paper is to verify the real behavior of the continuous welded rail on the bridge with a longer expansion length than allowed by Czech national regulations. Special attention is focused on the rate of ... -
Compression behaviour and failure mechanisms of a safety culvert made of hollow high-performance concrete blocks
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2023)The safety culvert composed of hollow high-performance concrete blocks is designed to reduce the risk of injury in the event of a collision. This work presents a new design with an opening for water flow, tests it, identifies ... -
COMPRESSION OF ECAPED TITANIUM MICRO-PILLARS FOR TWO PRINCIPAL ORIENTATIONS
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2020)The thermomechanical processing by equal-channel angular pressing (ECAP) is used for certain metals and alloys in order to make their structure fine and to increase material strength. In the previous study done at our ... -
COMPRESSIVE PROPERTIES OF AUXETIC STRUCTURES WITH CONTROLLED STIFFNESS OF STRUT JOINTS
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)Presented paper deals with experimental study on compressive properties of auxetics with controlled stiffness of strut joints. The variable strut joints properties were simulated by adding extra amount of material in the ... -
COMPUTATIONAL AERODYNAMIC OPTIMIZATION OF LOW-SPEED WING
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2014)An optimization method consisting of genetic and evolution optimization algorithm and a solver using nonlinear aerodynamics was applied on design of low-speed wing. Geometric parameterization of wing uses standard geometric ... -
COMPUTATIONAL METHODOLOGY TO ANALYZE THE EFFECT OF MASS TRANSFER RATE ON ATTENUATION OF LEAKED CARBON DIOXIDE IN SHALLOW AQUIFERS
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)Exsolution and re-dissolution of CO2 gas within heterogeneous porous media are investigated using experimental data and mathematical modeling. In a set of bench-scale experiments, water saturated with CO2 under a given ... -
COMPUTATIONAL SCHEMES FOR THE PROPAGATION OF ULTRA HIGH ENERGY COSMIC RAYS
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)We discuss the problem of ultra high energy particles propagation in astrophysical backgrounds. We present two different computational schemes based on kinetic and Monte Carlo approaches. The kinetic approach is an analytical ... -
Computed tomography system with strict real-time synchronization for in-situ 3D analysis of periodically vibrating objects
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2023)In the contribution, we present a laboratory system capable of X-ray computed tomography (XCT) scanning of an periodically moving or oscillating object. The system is an in-house developed XCT setup with electromagnetic ... -
Computer Simulation of a Plasma Vibrator Antenna
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)The use of new plasma technologies in antenna technology is widely discussed nowadays. The plasma antenna must receive and transmit signals in the frequency range of a transceiver. Many experiments have been carried out ...