The paper includes a proposal of formulating a model of a photovoltaic cell based on measurement datafiles obtained during faultless operation of the considered cell. The authors determine the coefficients describing faultless operation of the tested cell with the use of an ...

The paper proposes designing of a model of photovoltaic cell operation in real conditions. The method of residua estimation is applied, modified according to verification of the obtained models. The choice of the optimal model is a final effect of the article.

The paper deals with the proposal of the measuring chain assigned for remote measuring in the automobile industry. The designed solution should be able to do automatic measurement of all required parameters and to send obtained data to the remote centre, where they coul...

We present the experimental results of hyperpolarized 129Xe spectral line amplitude obtained by 4.7 T NMR system and high power semiconductor laser with reduced emission linewidth. The hyperpolarization process was based on the spin exchange collision technique between 129Xe atoms and optica...

An article says about the basic magnetic features of ferromagnetic material, which need to be taken to the consideration when designing model of elastomagnetic sensor. Mentioned is an intelligent calculator, which is used for calculation of change of sensor permeability in cubic grate&#...

The paper analyses developments and summarizes recent trends in eddy current non-destructive evaluation. Basic principle of the method is explained and its possible applications in non-invasive evaluation of conductive materials are summarized. Main aspects connected with application of the...

Non-destructive testing (NDT) refers to testing a component without impairing its worth or functional properties. Pulsed eddy current (PEC) testing is a new electromagnetic NDT method. This method is powerful technique used for detection of surface and sub-surface corrosion and cracks...

Paper discusses the possibility of the thermocamera on some different examples. Presented examples are from different scientific and commercial ranges and in each from them are used other important prerequisites form measuring. Typical examples of usability of the thermocamera are the measur...

The paper deals with the information about innovation in laboratory education from the area of electrochemistry. New technologies using during the lessons are described. Further, methods of creation new laboratory experiments are mentioned. Contribution and other objectives of innovation are disc...

Two types of commercially available carbon blacks were studied by cyclic voltammetry and electrochemical impedance spectroscopy as electrode materials for supercapacitors in the 0.5 M electrolyte of propylene carbonate and LiClO4. Specific capacitances were calculated from cyclic voltammograms ...

The paper presents a numerical modeling of electromagnetic wave interaction with planar layered structure through reflection and transmission coefficient at boundaries of two biological tissues. Numerical calculation both reflection and transmission coefficients at boundaries is investigated with re...

Electric and magnetic phenomena of living organisms and their modelling belong to great research area of the Department of theory of electrical engineering in University of West Bohemia. This paper brings a new approach focused on cardiac cell’s membrane ion transport and it...

The Bjork-Shiley Convexo Concave (BSCC) mechanical heart valve has been used in surgery between 1979- 1986. It was one of the most prevalent mechanical heart valves in that period. The valve is however plagued by an increased occurrence of unexpected mechanical failures of&#...

Early detection or screening examination of breast cancer can be done using Optical Tomography or Electrical Impedance Tomography. Using Boundary Element Method for forward problem solution we can not make measurements or precisely define boundary conditions on the surface between bre...

The paper proposes a new approach to image reconstruction problems to improve results applying the level set technique during a reconstruction process, which is based on electrical impedance tomography (EIT). The recently described methods are often based on deterministic or stochastic appro...

The paper deals with a topic of computer simulation possibilities of bioelectromagnetical features and usage of this simulations for demonstration purposes of educational process in conditions of interdisciplinary area of pedagogical process oriented as well towards to technical students a...

The article focuses on dielectric spectroscopy, measurement and calculation of dielectric properties of normal and carcinoma tissue phantoms. Special attention is paid to the investigation of dielectric properties of carcinoma tissue model with different water and glucose content. The pape...

The paper deals with one of the fundamental possibilities of improving magnetohydrodynamic (MHD) pumps based on the integration of effects of elementary MHD minipumps distributed along the pipe through which they transport the considered liquid. The crucial point of the work cons...

This paper presents the application of 3D finite-element approaches to calculate losses in the tank and frame of the transformer. The equations, boundary conditions and excitations of models are explained with some detail in this work. For calculation was used program OPERA ...

The paper deals with one of the basic conditions of practical employment of finely controllable thermoelastic actuators – problems of the static characteristics of its individual structural parts. It contains the formulation of the principle of such thermoelastic actuators, description...