Browse

The energy crisis triggered globally in the last quarter of 2021, forced Romania to go through a winter with liberalized electricity and gas prices, a period unprecedented in terms of consumer prices, accentuated by the result of closing energy targets that coalfired operations as a result of the imposition of EU conditions for the restructuring of the mining and energy sector. The year before, 2020, the COVID-19 pandemic, with restrictions imposed, produced a decrease in electricity demand, a decline in coal-fire...

The Valea Jiului coal basin is the largest mining basin in Romania and includes from east to west the mining fields: Lonea, Lonea-Pilier, Petrila-Sud, Petrila, Livezeni, Salatruc, Dalja, Iscroni, Aninoasa, Vulcan, Paroseni, Lupeni , Lupeni-Sud, Barbateni, Uricani, Valea de Brazi and Campu lui Neag. The first opening works in the Lonea perimeter began with the excavation of the Rascoala gallery, in 1870, a gallery supported by brickwork. Also in the same period, the up-to-date exploitation of the outcrops from the ...

The main role of ventilation systems and especially air conditioning systems is to create indoor conditions and air quality inside the rooms that are independent of external atmospheric influences. The sizing of ventilation systems and especially of air conditioning systems is done, in most cases, by considering the climatic elements as a basis for calculation. The real limit to air quality insurance it consists in maintaining in the air certain concentrations of harmful substances which do not endanger human heal...