The paper presents the results of theoretical research of the solar energy resource potential calculated by different methods for administrative areas of the Carpathian region. The advanced methodology of the estimation of the solar power plants influence on the natural environment is proposed, which deals with the determination of the significance...

By O Mandryk, N. Moskalchuk, L. Arhypova, M. Pryhodko, O. Pobygun

The wide application of various regulators in automated control systems of technological objects determines the necessity to solve problems of constructing optimal, adaptive and with expanded functional capabilities of technological controllers. The toolkit for constructing technological controllers is Simatic S7 hardware devices (PLC S7-1200, Freq...

By Mykola Nykolajchuk

In this paper we present a technological problem encountered in the machining accuracy of the parts for aerospace, made of aluminium alloy extruded profile with 7 meters length. Those parts have very tight tolerances and on milling process appear deviation due to thermal expansion effect, that influence the repeatability of machining processes. Thr...

By Stefan Adrian Moldovan, Vasile Nasui, Marius Cosma

Everyday life without social media is nearly unimaginable in the digital era. Shortly after the emergence of the first social media, the others followed, experiencing an unprecedented expansion towards all the pores of society, entertainment, cultural, sports, and all forms of life in a modern, developed world. In a relatively short period of time,...

By Milic Mladen, D Djuranovic

Access to spatial data and services constitutes an important basis for environmental policies for all public authorities and is therefore a central aspect of the Infrastructure for spatial information in the European Community. Since the Community institutions and bodies in most cases have to integrate and assess spatial information from all the Me...

By Nikolina Drago Mijic, Gabor Bartha, Tijana M. Vujicic

Waste resulting from mining activity is today one of the biggest environmental problems. The mine deposit on the Bozanta Mare site, due to the high content of heavy metals (Pb, Cu, Cd, Zn, Cr, Ni), is a difficult substrate for the installation of a vegetal carpet. Naturally, a small number of species have been installed on the soil with a high conc...

By Monica Liliana Marian, Oana Mare Roșca, Zorica Vosgan, Lucia Mihalescu

Today, one of the urgent tasks set before the gas transportation system of Ukraine is to ensure the efficient and reliable operation of automated control systems for compressor stations, and in particular automatic control systems for gas-pumping units (GPU). At the same time, automatic control systems of GPU should respond to changes in the techni...

By Leonid Zamikhovskyi, Natalia Ivanuyk

The reliable operation of gas-pumping units (GPU) is due to their current technical state, which needs to be monitored in real-time, requires the use of effective methods for diagnosing GPU. A particularly relevant problem is the assessment of the current technical condition of the GPU GTC- 25I of Nuovo Pignone company, which is installed at the Ur...

By Leonid Zamikhovskiy, Volodymyr Pavlik

The most promising method for the conditions of operation of the drill string of the existing ones- is a method for predicting the durability of its elements, such as threaded lock joints (TLJ), which are based on the use of a means of individual assessment of load - indicators of fatigue. Taking into account the limited possibilities of the previo...

By Leonid Zamikhovskyi, Olga Lyskanych

The lower level of the flood water control system will allow to normalize the analogue signals from the sensors (water level, amount of atmospheric precipitations and soil moisture) for further analysis and represented by four functions, namely: FC1 - the function of normalization of analog signals FC2 - the function of comparison of current values...

By Leonid Zamikhovskyi, Oksana Beley, Olena Zamikhovska