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Zobrazují se záznamy 131-140 z 2037
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 ...
Status and Perspectives of the Mini-MegaTORTORA Wide-field Monitoring System with High Temporal Resolution
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
Here we briefly summarize our long-term experience of constructing and operating wide-field monitoring cameras with sub-second temporal resolution to look for optical components of GRBs, fast-moving satellites and meteors. ...
Photometric Analysis of Pi of the Sky Data
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
Two fully automatic Pi of the Sky detectors with a large field of view, located in Spain (INTA) and in Chile (SPDA) observe the sky in search of rare optical phenomena, and also collect observations which include many kinds ...