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This paper describes possibilities of the renewable energy source projects funding and arises an importance of the analysis which should be the first step before investing in the generation of energy from renewable sources. The issue of investing in biogas plants is related to particular conditions of the investor. The extent of the investment is never(More)
In this paper, we assess the performance and efficiency of an ideal traveling wave electroosmotic micropump with a continuous electrode. All simulations were performed in the combination of Matlab and COMSOL Multiphysics using a weak form. The mathematical model is based on the Poisson-Nernst-Planck-Navier-Stokes approach with fully coupled governing(More)
We propose an alternative kinetic description of electrochemical interactions. The model is based on the balances of mass and electric charge and the kinetic equations for the electrode reaction. The rate of electrochemical reaction is dependent on the surface concentration of electric charge. The current-voltage characteristics of a selected(More)
This paper deals with the mathematical modeling of traveling-wave ac electro-osmotic micropumps with a zig-zag arrangement of microelectrodes. A mathematical model based on the Poisson-Nernst-Planck-Navier-Stokes description is used in this study within the physically relevant ranges of the model parameters. We present an extensive set of parametrical(More)
Blind people can now use maps located at Mapy.cz, thanks to the long-standing joint efforts of the ELSA Center at the Czech Technical University in Prague, the Teiresias Center at Masaryk University, and the company Sez-nam.cz. Conventional map underlays are automatically adjusted so that they could be read through touch after being printed on microcapsule(More)
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