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Kacprzyk R.,Wroclaw University of Technology | Zylka P.,Instytut Podstaw Elektrotechniki i Elektrotechnologii
Przeglad Elektrotechniczny | Year: 2010

Abstract. A model of electrostatic shielding of the surface of atomized liquid, when electrified by induction, is described. The atomized liquid cone shielded by an "umbrella" of droplets was assumed in the proposed model. The model suggest hyperbolic type of the dependence between (Q/m) parameter and the atomized liquid flow rate. Applicability of the model was demonstrated and confirmed experimentally. Source


Kacprzyk R.,Wroclaw University of Technology | Pelesz A.,Instytut Podstaw Elektrotechniki i Elektrotechnologii
Przeglad Elektrotechniczny | Year: 2012

Influence of induction electrification of aerosol particles generated by a commercial hydrodynamic sprayer on the coverage rate and uniformity is discussed in the paper. An increase in coverage rate and uniformity was experimentally confirmed for the spray with parameter Q/m=4.2 mC/kg. The coverage rate was determined on the basis of the solution (water solution of salt particles deposited on the leafs model) conductivity measurements. Source


Kisiel A.,Instytut Podstaw Elektrotechniki i Elektrotechnologii | Mielcarek M.,Wroclaw University of Technology | Ziaja J.,Instytut Podstaw Elektrotechniki i Elektrotechnologii
Przeglad Elektrotechniczny | Year: 2012

The aim of the study was to obtain structures of TiO2 thin films with photovoltaic properties. The layers were produced by magnetron sputtering. The influence of basic process parameters (power, frequency and duration of sputtering) on the of photovoltaic properties was investigated. The results obtained showed that the power of magnetron sputtering and annealing temperature of samples is crucial for the proper formation of the crystalline structure and photovoltaic activity of titanium oxide films. Source


Gizewski T.,Instytut Podstaw Elektrotechniki i Elektrotechnologii | Wac-Wlodarczyk A.,Instytut Podstaw Elektrotechniki i Elektrotechnologii | Goleman R.,Instytut Podstaw Elektrotechniki i Elektrotechnologii | Czerwinski D.,Instytut Podstaw Elektrotechniki i Elektrotechnologii
Przeglad Elektrotechniczny | Year: 2012

The article presents the discussion on nonparametric classification methods in relation to the numerical model of a physical object. The main theme is the analysis of algorithms in applications to non-destructive testing of ferromagnetic materials. The particular attention was given to model parameterization as a significant factor in minimizing the cost of the learning process. Source

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