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DETERMINATION OF DETONABLE GAS MIXTURE HEAT FLUXES AT THERMAL DEBURRING
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)
Modern technology requires a multitude of precise parts that are a necessity in reliable methods of surface finishing. Energy of detonable gas mixture combustion has been used in manufacturing as a processing source for a ...
COMPARISON OF ENERGY FLOW STREAM AND ISENTROPIC METHOD FOR STEAM TURBINE ENERGY ANALYSIS
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)
In this paper, a comparison of two different methods for a steam turbine energy analysis is presented. A high-pressure steam turbine from a supercritical thermal power plant (HPT) was analysed at three different turbine ...
SOLAR ABSORBER WITH A STRUCTURED SURFACE – A WAY TO INCREASE EFFICIENCY
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)
The basic idea of a solar absorber’s thermal gain increase is the keyhole effect utilization during which the radiation is absorbed by multiple reflections on cavity walls. The lattice of pyramidal or conical cavities on ...
JATROPHA OIL WITH IRON NANOPARTICLES APPLICATION IN DRILLING PROCESSES
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)
A performance of heat transfer fluids has a substantial influence on the size, weight and cost of heat transfer systems, therefore, a high-performance heat transfer fluid is very important in many industries. Over the last ...
TRACK GAUGE STABILITY UNDER EFFECT OF SLEEPER THERMAL EXPANSION
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)
Railway sleepers are traditionally made of hardwood, pre-stressed concrete or steel. However, emerging advanced materials, including polymers or composites, are investigated for a possible employment in the sleeper production. ...
TUNNEL PORTAL INSTABILITY IN LANDSLIDE AREA AND REMEDIAL SOLUTION: A CASE STUDY
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)
The construction of tunnel portals in mountainous or slope areas often involves problems, which are closely related to factors, such as slope topography, geology, geotechnics, construction geometry and the tunnel excavation ...
AUTOMATIC RECONSTRUCTION OF ROOF MODELS FROM BUILDING OUTLINES AND AERIAL IMAGE DATA
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)
The knowledge of roof shapes is essential for the creation of 3D building models. Many experts and researchers use 3D building models for specialized tasks, such as creating noise maps, estimating the solar potential of ...
INVERTED PENDULUM WITH LINEAR SYNCHRONOUS MOTOR SWING UP USING BOUNDARY VALUE PROBLEM
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)
Research in the field of underactuated systems shows that control algorithms which take the natural dynamics of the system’s underactuated part into account are more energy-efficient than those utilizing fully-actuated ...
STUDY OF SAMPLES STRENGTH OF MATERIAL FORMED BY THE PROCESSES OF COMPACTION EXTRUSION AND TUMBLING GRANULATION
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)
In a period of industrial expansion, protection of the environment is often neglected during the mass manufacture of products. One of the problems of our society that is necessary to face at present is the provision, ...
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 ...