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RENEWABLE ENERGY SOURCES AND CLEAN TECHNOLOGIES

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Articles in this section


NH3 AND CO2 STUDY CASES - REFRIGERATION APPLICATIONS (Papers SGEM2018)

M. Vinceriuc, G. Tarlea, A. Tarlea, I. Zabet
Thursday 11 October 2018 by Libadmin2018
ABSTRACT The article presents a comparison of the advantages of natural refrigerants R717 or R744 (with low global warming potential –GWP and zero ozone depletion potential – ODP) instead of R404A. Energy Efficiency is also analysed. Romania signed Kyoto and Montreal Protocol and in the same (...)


NI IMPREGNATED INTO HYPERCROSSLINKED POLYSTYRENE IN N-METHYL-D-GLUCOSAMINE SYNTHESIS (Papers SGEM2018)

E. Sulman, V. Doluda, S. Mikhailov, N. Lakina, M. Sulman
Thursday 11 October 2018 by Libadmin2018
ABSTRACT Amines are the key intermediates for agricultural, pharmaceutical, textile, polymer industry etc. The common method for the amines production from the fossil resources, in spite of the high yield of the target products, is characterized by the high amount of side toxic products. (...)


PROPOSAL FOR EFFICIENT USE OF THE GREEN ENERGY ON THE SELECTED OBJECTS OF THE CONSTRUCTION EQUIPMENT (Papers SGEM2018)

A. Adamuscin, M. N. Tien, M. Dubek, E. Jankovichova, S. Dubek
Thursday 11 October 2018 by Libadmin2018
ABSTRACT In recent years, bio-economics and alternative energy sources have become increasingly important in the economic environment of the European Union. The reasons for this development are not only environmental, but also economic benefits. The Union is seeking to increase investment in (...)


REPLACEMENT POSSIBILITIES OF THE HEAVY OVERLOAD PISTON OF GRAVITY HYDRO-POWER-TOWER ENERGY STORAGE PLANTS USING COMPRESSED AIR (Papers SGEM2018)

I. David, I. Vlad, C. Stefanescu
Thursday 11 October 2018 by Libadmin2018
ABSTRACT In the era of the increasingly implementation of renewable energy sources in the electrical energy supply, the expansion of a sustainable energy industry must be promoted the resulting increase in storage requirements. The Gravity Hydro Power Tower Energy Storage (GHPTES) is an (...)


RESEARCH ON THE OCCURRENCE OF GEOTHERMAL ENERGY IN THE "BOHEMIAN MASSIF" IN THE NORTH BOHEMIA. (CZE) (Papers SGEM2018)

M. Blazkova, M. Rehor, P. Vrablik, K. Markova, E. Wildova
Thursday 11 October 2018 by Libadmin2018
ABSTRACT The base of the Northern Bohemian region is made up of the kratogen (old block) of the “Bohemian Massif” that belongs to the so-called Hercynian (Variscan) province. Its development was tectonically terminated by hercynian orogenesis, which means by orogeny in the Palaeozoic Era (...)


ROMANIA’S ENERGY STRATEGY 2016-2030 ANALYSIS, PERSONAL POINT OF VIEW (Papers SGEM2018)

A. D. Mihalcea
Thursday 11 October 2018 by Libadmin2018
ABSTRACT The purpose of this paper is to present an analysis for Romania’s energetic strategy designed for 2016-2030 according to the EU direction. Energetic security for a country is the most important after the IT sector, and also the knowledge to administrate key energetic resources. Import/ (...)


ROMANIA’S POTENTIAL FOR REDUCING GREENHOUSE GAS EMISSIONS BY IMPROVING ENERGY PRODUCTION AND CONSUMPTION PROCESSES BASED ON RENEWABLE ENERGY (Papers SGEM2018)

A. M. BULMEZ, V. CIOFOAIA
Thursday 11 October 2018 by Libadmin2018
ABSTRACT The main purpose of this study is to highlight the actual state of energy production and consumption in Romania and to emphasize where there is potential for either reducing the greenhouse gas emissions by using more efficient heating and cooling systems for buildings or reducing the (...)


SOLAR WATER AND SPACE-HEATING SYSTEMS (Papers SGEM2018)

I. Sarbu, D. Tokar
Thursday 11 October 2018 by Libadmin2018
ABSTRACT Among the energy sources alternative to fossil fuels, renewable energy sources such as solar garner the public’s attention, as they are available and have fewer adverse effects on the environment than do fossil fuels. Solar heating systems are a type of renewable energy technology that (...)


STUDY OF THE DEPENDENCE OF BENDING RESISTANCE IN CORRELATION TO TEMPERATURE OF A CONDUCTIVE MATERIAL (Papers SGEM2018)

F. Popescu, I. R. Slusariuc, I. Utu, S. Cucaila, M. D. Stochitoiu
Thursday 11 October 2018 by Libadmin2018
ABSTRACT In special applications it is necessary to correlate the obtained data about the state of a process in which the Joule effect is involved by passing an electric current through a conductive material. The multiplier effect due to increased resistance with temperature may require (...)


STUDY OF THE KINETICS OF THERMAL DEGRADATION OF POLYMER COMPOSITES BASED ON POLYVINYLCHLORIDE FILM AND BIOPOLYMER FILLER (Papers SGEM2018)

R. O. Olekhnovich, V. E. Sitnikova, S. V. Chereneva, K. V. Volkova, E. V. Belukhichev
Thursday 11 October 2018 by Libadmin2018
ABSTRACT In order to reduce the negative impact of PVC on the environment, it is becoming popular to produce composite materials based on PVC filled with various natural fillers. For example, bentonite as filler in a polymer matrix can absorb volatile toxic components and accelerate the (...)


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