OBD

Recent Submissions

Hrbek, Jan , Rykl, Lukáš , Hadrava, Jan
Rozložení rychlosti v tavenině při indukčním tavení v kelímkové peci

The paper deals with a mathematical model of induction crucible furnace. The melted material considered in calculations is the Sn63Pb37 alloy. The magnetic field coupled with flow field is analyzed. The magnetic problem is solved using ANSYS Mechanical and obtained distribution&...

Pavec, Martin , Soukup, Radek , Hamáček, Aleš
Návrh a realizace vyšívaných antén s využitím hybridní šicí nitě

In this paper is described problematic of dipole and fractal dipole antenna design. Realization of embroidered antennas optimized for frequency of 868 MHz. Two types of antennas were realized, the first was dipole antenna and second was fractal dipole antenna. These antennas were e...

Kadlec, Petr
Hodnocení vlivu působení UV záření na chemickou strukturu a termické vlastnosti PE a PE/HNT

This paper deals with the degradation of two type of polyethylene (PE) and composites (PE/HNT) which composed of the specific type of polyethylene as a matrix and of the halloysite nanotubes as an innovative clay filler. Attention is paid specifically to the degra...

Veisheipl, Karel
Simulace a experimentální měření složeného napětí na odporové zátěži

The problematic of the combined and composite voltages is more discussed during the last few years because of the possibility of creating power lines with both AC and DC line. This paper deals with the measurement and simulation of composite voltage at the resistive load ...

Justa, Josef , Hamáček, Aleš
Kalibrace tyče pro měření nehomogenit magnetismu ve 3D prostoru

The paper briefly presents calibration method of magnetism measuring rod for measuring nonhomogeneity of magnetic field in buildings. Introduced calibration method is based on the least mean square algorithm and corrects error created due to inaccurate sensor placement.