Procházení ČVUT - elektronické publikace dle data publikování
Zobrazují se záznamy 41-60 z 1904
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Diamond Films for Implantable Electrodes
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)Diamond is a promising material for implantable electrodes due to its unique properties. The aim of this work is to investigate the growth of boron-doped nanocrystalline diamond (B-NCD) films by plasma-enhanced microwave ... -
The Electrification of Tramways in Ostrava in 1900–1901
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)This paper focuses on the electrification of tramways in Ostrava in 1900-1901. As the administrative, economic and cultural centre of an evolving industrial agglomeration, Ostrava had specific transportation requirements. ... -
An Application of the Individual Channel Analysis and Design Approach to Control of a Two-input Two-output Coupled-tanks System
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)Frequency-domain methods have provided an established approach to the analysis and design of single-loop feedback control systems in many application areas for many years. Individual Channel Analysis and Design (ICAD) is ... -
Femoral Test Bed for Impedance Controlled Surgical Instrumentation
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)The risk for patients during the standard procedure of revision of cemented artificial hip joints is unsatisfactorily highdue to its high level of invasiveness and limited access to the operative field. To reduce this risk ... -
A Comparison of Power Quality Controllers
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)This paper focuses on certain types of FACTS (Flexibile AC Transmission System) controllers, which can be used for improving the power quality at the point of connection with the power network. It focuses on types of ... -
Model of Customer Buying Behavior in the CZ Mobile Telecommunication Market
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)The Czech mobile telecommunication market constitutes an oligopoly of three operators, who have built a privileged position and effectively crush any competition. The entry of a new operator has been considered by the ... -
Energy Estimation of Distributed Phase-shift Beamforming
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)Ad-hoc and sensor networks are composed of small, low-power devices, which can connect between themselves without the help of an infrastructure. Research in this area has been both extensive and intensive and is still very ... -
Simulation of a Matrix Converter Fed Drive With Sliding Mode Control
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)Induction machines are among the most widely used electrical-to-mechanical converters in electric drives. Their advantageous robustness and simplicity goes hand-in-hand with complicated control. A converter with a suitable ... -
Development of an Ultralight with a Ducted Fan
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)This paper introduces the UL-39 project, an ultralight aircraft with a ducted fan, and some of the problems that have arisen in the course of its development. Several problems with the design of a non-traditional aircraft ... -
Design Process of Energy Effective Shredding Machines for Biomass Treatment
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)The shredding process has not been sufficiently investigated for the design of better, energy and material saving shredding machines. In connection with present-day concern about the environment, ecology, energy saving, ... -
Hygiena 3, a Forgotten Project for Electrolytic Water Treatment
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)In the interwar period, the city of Prague had to resolve the problem of treating the polluted water produced by its citizens. From 1933 - 1936 an ambitious competition was held. The idea behind the competition was to bring ... -
Replacing Natural Gas by Biogas — Determining the Bacterial Contamination of Biogas by PCR
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)A promising way of using biogas is to upgrade it to natural gas, which is referred to as Substitute Natural Gas (SNG) or biomethane. Biomethane, or biogas, is produced by biological processes of harnessing the ability of ... -
A Pulverized Coal-Fired Boiler Optimized for Oxyfuel Combustion Technology
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)This paper presents the results of a study on modifying a pulverized coal-fired steam boiler in a 250 MWe power plant for oxygen combustion conditions. The entry point of the study is a boiler that was designed for standard ... -
Lifetime Assessment of a Steam Pipeline
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)The aim of this paper is to design a method for assessing the life of steam pipes for Czech power plants. The most widely-used material in Czech power plants is steel 15 128. Our findings may also be applied for international ... -
Application of Induction Heating for Brazing Parts of Solar Collectors
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)This paper reports on the application of induction heating for brazing parts of solar collectors made of Al alloys. The tube-flange joint is a part of the collecting pipe of a solar collector. The main task was to design ... -
Energy Accumulation by Hydrogen Technologies
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)Photovoltaic power plants as a renewable energy source have been receiving rapidly growing attention in the Czech Republic and in the other EU countries. This rapid development of photovoltaic sources is having a negative ... -
New Abrasive Materials and Their Influence on the Surface Quality of Bearing Steel After Grinding
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)This paper focuses on the influence of various types of abrasive grains on cutting properties during the grinding process for bearing steel. In this experiment, not only conventional super-hard abrasive materials but also ... -
Laser Cutting of Materials of Various Thicknesses
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)Thise paper deals with the application of laser technology and optimizing the parameters for cutting nickel alloy. The theoretical part of the paper describes various types of lasers, their principles and usage. The ... -
Checking the Geometric Accuracy of a Machine Tool for Selected Geometric Parameters
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)This paper deals with the control parameters for selected geometric accuracy measurements for a machine tool. The parameters were needed after a refurbished milling machine was purchased. After setting up the machine, it ... -
Determination of Uncertainties for Correlated Input Quantities by the Monte Carlo Method
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)This paper presents the calculation of the uncertainty for distribution propagation by the Monte Carlo method for a measurement model with one output quantity. The procedure is shown on the basis of an example of the ...