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Wyświetlanie 1-15 z 509
Tytuł:
Ukrainian perspectives of using world experience in investing in energy innovations
Autorzy:
Lazarenko, Dmitry
Krutogorskyi, Iaroslav
Powiązania:
https://bibliotekanauki.pl/articles/692537.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Ekonomiczny w Poznaniu
Tematy:
alternative energy
renewable sources
energy generation
energy efficiency
energy policy
Opis:
The article presents the world economic trends of alternative energy. An analysis of international programs and innovative projects that are implemented and used in the energy sector is introduced. Conceptual proposals and innovative research in the field of alternative energy are represented. The author also suggests ways of formation of effective energy management and rational energy policy.
Źródło:
Research Papers in Economics and Finance; 2017, 2, 1; 27-32
2543-6430
Pojawia się w:
Research Papers in Economics and Finance
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluation of the influence of the primary energy factor of hydropower plants in the methodology for assessing the energy performance of buildings
Autorzy:
Tamašauskas, Rokas
Šadauskienė, Jolanta
Šadauskaitė, Monika
Powiązania:
https://bibliotekanauki.pl/chapters/31234003.pdf
Data publikacji:
2020
Wydawca:
Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:
primary energy
renewable energy
hydropower
energy efficiency
Opis:
There is currently no common or standardized procedure for certification of the energy performance of buildings, as each EU Member State takes into account the specificities of its own construction sector when implementing the provisions of Directive 2010/31/EU. This usually depends on two features: the purpose of the building and the climate. Therefore, the purpose of this paper is to evaluate the influence of the hydropower primary energy factor for assessing the energy performance of buildings. For this purpose, non-renewable primary energy factor values were analyzed regarding actual energy production and consumption data from 19 Lithuanian hydroelectric plants. The results of the studies show that the average value of the non-renewable primary energy factor of hydropower plants is 0.059.
Źródło:
Innovations – Sustainability – Modernity – Openness. Energy; 67-76
9788366391291
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of energy efficiency in Poland in 2008-2018 in the context of sustainable development
Autorzy:
Pacana, Andrzej
Czerwińska, Karolina
Powiązania:
https://bibliotekanauki.pl/articles/1818431.pdf
Data publikacji:
2020
Wydawca:
Instytut Polityki Energetycznej im. Ignacego Łukasiewicza
Tematy:
energy efficiency
ODEX index
energy management
energy production
Opis:
Analysing the Polish energy sector, changes in the market can be seen as a consequence of growing role of EU regulations, which increasingly affect the functionality of national and local markets. As a general rule, the basis of regulation is set out in the adopted strategy papers, indicating developmental desires within the energy market. The energy policies that are taken, which define the implementation measures, should guarantee the secu-rity of investment in the long term. The increase in energy efficiency generates significant financial savings while generating benefits for the environment, industry, transport or households. As part of monitoring the level of en-ergy efficiency, the ODYSSEE-MURE programme has developed the ODEX indicator. The aim of thestudy was to analyze the level of efficiency in Poland in general and with an indication of three main sectors, as well as the level of Polish energy savings in the years 2008-2018. The research showed that the increase in energy efficiency of the Polish economy in the period under consideration is systematically increasing. Overall, between 2008 and 2018, the average rate of energy efficiency improvement was 1. 7% per year. On the other hand, savings achieved in 2018 within the indicated sectors amounted to 0.10 Mtoe.
Źródło:
Energy Policy Studies; 2020, 2 (6); 29--42
2545-0859
Pojawia się w:
Energy Policy Studies
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of energy efficiency in Poland in 2008-2018 in the context of sustainable development
Autorzy:
Pacana, Andrzej
Czerwińska, Karolina
Powiązania:
https://bibliotekanauki.pl/articles/1818438.pdf
Data publikacji:
2020
Wydawca:
Instytut Polityki Energetycznej im. Ignacego Łukasiewicza
Tematy:
energy efficiency
ODEX index
energy management
energy production
Opis:
Analysing the Polish energy sector, changes in the market can be seen as a consequence of growing role of EU regulations, which increasingly affect the functionality of national and local markets. As a general rule, the basis of regulation is set out in the adopted strategy papers, indicating developmental desires within the energy market. The energy policies that are taken, which define the implementation measures, should guarantee the secu-rity of investment in the long term. The increase in energy efficiency generates significant financial savings while generating benefits for the environment, industry, transport or households. As part of monitoring the level of en-ergy efficiency, the ODYSSEE-MURE programme has developed the ODEX indicator. The aim of thestudy was to analyze the level of efficiency in Poland in general and with an indication of three main sectors, as well as the level of Polish energy savings in the years 2008-2018. The research showed that the increase in energy efficiency of the Polish economy in the period under consideration is systematically increasing. Overall, between 2008 and 2018, the average rate of energy efficiency improvement was 1. 7% per year. On the other hand, savings achieved in 2018 within the indicated sectors amounted to 0.10 Mtoe.
Źródło:
Energy Policy Studies; 2020, 2 (6); 29--42
2545-0859
Pojawia się w:
Energy Policy Studies
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
ENERGY SECURITY OF UKRAINE IN THE CONTEXT OF ITS SUSTAINABLE DEVELOPMENT
Autorzy:
Semenenko, Inna
Powiązania:
https://bibliotekanauki.pl/articles/517192.pdf
Data publikacji:
2016
Wydawca:
Instytut Badań Gospodarczych
Tematy:
energy security
fuel and energy resources
sustainable development
energy efficiency
energy consumption
Opis:
Energy security is an important issue for Ukraine's sustainable development. The main goal of the article is to show the state of energy security of Ukraine, analyze its tendencies and challenges, reveal the impact of energy security on sustainable development of a country. The state of the energy security of Ukraine was analyzed with the help of data collection, processing and analysis. Data was taken from State Statistics Service of Ukraine, Ministry of Energetics and Coal Industry of Ukraine, other sources, and analyzed with the help of tools of statistics and economic analysis. Ukraine, being a developing country and experiencing war, political and economic crisis, struggles for energy security support. The present state of energy availability and consumption in the country influences its sustainable development and political stability, and is a significant restraint in country's survival. Despite the fact that Ukraine has enough resources' deposits to provide itself with energy, it provides less than 50% of own demands and is dependent on Russia's resources. Production of energy in Ukraine is decreasing, but energy consumption remains high. Ukrainian industries are energy-wasteful and energy-inefficient; the country has the leading positions in energy intensity of GDP. The article shows the relation of energy sources and energy security of Ukraine to sustainable development, reveals the dependency of the Ukrainian energy security, and indicates its main threats and ways out.
Źródło:
Equilibrium. Quarterly Journal of Economics and Economic Policy; 2016, 11, 3; 537-555
1689-765X
2353-3293
Pojawia się w:
Equilibrium. Quarterly Journal of Economics and Economic Policy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Efficiency of biomass energy used for heating purposes in a residential building in comparison with other energy sources
Wydajnosc energii biomasy stosowanej do celow grzewczych w budynku mieszkalnym w porownaniu z innymi zrodlami energii
Autorzy:
Redlarski, G.
Wojdalski, J.
Kupczyk, A.
Piechocki, J.
Powiązania:
https://bibliotekanauki.pl/articles/792654.pdf
Data publikacji:
2012
Wydawca:
Komisja Motoryzacji i Energetyki Rolnictwa
Tematy:
biomass
energy efficiency
residential building
heating
ventilation
water heating
energy carrier
primary energy
energy source
grid system
biomass energy
energy consumption
renewable energy
Źródło:
Teka Komisji Motoryzacji i Energetyki Rolnictwa; 2012, 12, 1
1641-7739
Pojawia się w:
Teka Komisji Motoryzacji i Energetyki Rolnictwa
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Interactive calculator for assessment of the structure of energy consumption
Autorzy:
Ratner, S
Ratner, P
Powiązania:
https://bibliotekanauki.pl/articles/117736.pdf
Data publikacji:
2014
Wydawca:
Polskie Towarzystwo Promocji Wiedzy
Tematy:
energy efficiency
energy audit
interactive calculator
energy consumption structure
Opis:
In this paper we present a simple interactive calculator, which can be used in individual flats and houses, office buildings and educational institutes such as colleges and schools, for assessment of electricity use by different categories of equipment. The user indicates only type of equipment and its approximate time of work. The program outputs the structure of energy consumption in graphic format. The results of test procedures and the ways for improvement of the program are discussed.
Źródło:
Applied Computer Science; 2014, 10, 2; 32-43
1895-3735
Pojawia się w:
Applied Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Optimization of the energy distribution of SABC circuits
Autorzy:
Gong, D.
Nadolski, S.
Sun, C.
Klein, B.
Kou, J.
Powiązania:
https://bibliotekanauki.pl/articles/110565.pdf
Data publikacji:
2018
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
energy efficiency
Semi-Autogenous mill
energy distribution
energy benchmarking
Opis:
Improving the energy efficiency of large grinding mills is of great importance to reduce the energy cost of mineral processing. The ratio of SAG mill to ball mill’s energy consumption varies greatly among SABC operations. Thus far, very few research studies have been conducted to demonstrate how the SAG mill or ball mill responses to the change of circuit energy distribution in terms of comminution efficiency. The present study investigated the energy performance of an operating SABC circuit at variable circuit energy distributions. An energy benchmarking model was used to assess the comminution energy efficiency of SAG mill, ball mill, and overall circuit. It is found that the target SABC circuit achieves the highest overall energy efficiency when 37.6% of the total circuit energy is distributed to the SAG mill and 62.4% to the ball mill. The maximum energy efficiency of this SABC circuit is approximately 25% when compared to the minimum practical energy required to carry out an equivalent comminution duty. The study also showed that the ball mill is more sensitive to the variation in circuit energy distribution than the SAG mill.
Źródło:
Physicochemical Problems of Mineral Processing; 2018, 54, 4; 1245-1252
1643-1049
2084-4735
Pojawia się w:
Physicochemical Problems of Mineral Processing
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Prospects for the Use of Renewable Energy Sources while Increasing the Energy Efficiency Level of Office Buildings to the Level of nZEB
Autorzy:
Deshko, Valerii
Bilous, Inna
Buyak, Nadiya
Naumchuk, Olena
Powiązania:
https://bibliotekanauki.pl/articles/27315748.pdf
Data publikacji:
2023
Wydawca:
Politechnika Koszalińska. Wydawnictwo Uczelniane
Tematy:
energy efficiency
heat supply
energy source
thermal protection
energy demand
Opis:
According to the Energy Performance of Buildings Directive (EPBD), all new buildings must be constructed using technologies that will ensure almost zero energy consumption by the building through renewable energy sources and an energy-efficient thermal envelope. To assess the possibilities of reconstructing an existing building following the requirements of the EPBD in Ukraine, we have presented possible ways to modernise an office in Kyiv using renewable energy sources (biomass, heat pump) at different levels of thermal protection. Based on dynamic modelling results in the DesignBuilder software environment, the technical, environmental and economic aspects of building modernisation using near-Zero Energy Buildings (nZEB) technologies have been investigated. In particular, the authors have analysed the possibilities of using different modes of heat pump operation to provide heat to a building of different levels of thermal protection in the GeoTSOL software environment. The results obtained can be used to assess the benefits of improving the energy efficiency of a building using different types of renewable energy sources.
Źródło:
Rocznik Ochrona Środowiska; 2023, 25; 148--158
1506-218X
Pojawia się w:
Rocznik Ochrona Środowiska
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application the results of energy efficiency audit planning and implementation of fishing vessels modernisation
Autorzy:
Szczepanek, M.
Rajewski, P.
Barta, D.
Powiązania:
https://bibliotekanauki.pl/articles/27315959.pdf
Data publikacji:
2018
Wydawca:
STE GROUP
Tematy:
fishing cutters
energy audit
energy efficiency
Opis:
The Energy Efficiency Design Index (EEDI) became mandatory for new ships as well as the Ship Energy Efficiency Management Plan (SEEMP) for all ships due to the MEPC 62 (July 2011) along with the adoption of amendments to MARPOL Annex VI by the Parties to the MARPOL Annex VI. This was the first legally binding climate change treaty to be adopted since the Kyoto Protocol. The Ship Energy Efficiency Management Plan (SEEMP), which has been obligatory since 2013, did not to cover fishing cutters but triggered the implementation of energy efficiency audits due to fishing limits, high fuel prices, and free freight market. A research team of the Maritime University of Szczecin conducted energy efficiency audits on several fishing vessels operated on the Baltic Sea and provided the results to the shipowners. On their grounds, the shipowners started seeking methods to reduce energy consumption. They began modernizing the vessels using the information collected in the reports on energy audits. Usually, the modernization process is performed in severa stages. Apart from energy recovery installations, fishing vessels were furnished with the latest technologies aimed at the reduction of energy consumption and at making ships greener. The paper presents results of the said process at the selected fishing cutters operating on the Baltic Sea. The paper includes also the recommendations on the directions of the following stages of the audits.
Źródło:
New Trends in Production Engineering; 2018, 1, 1; 567-572
2545-2843
Pojawia się w:
New Trends in Production Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The influence of photovoltaics on the implementation of the climate and energy package on the example of the Rzeszów functional area
Autorzy:
Potyrańska, Paulina
Puzio, Justyna
Powiązania:
https://bibliotekanauki.pl/articles/101743.pdf
Data publikacji:
2019
Wydawca:
Instytut Polityki Energetycznej im. Ignacego Łukasiewicza
Tematy:
energy management strategy
energy efficiency
RES
photovoltaics
climate strategy
energy strategy
Opis:
The aim of the study is to show the impact of investments in photovoltaic installations carried out by local government units on the implementation of the objectives of the climate and energy package in the Rzeszów Functional Area (ROF). It has been shown that such an important problem as the need to increase the share of renewable energy sources (RES) in electricity production is also solved locally. The methods of in-depth interview, case study and desk research were used. The application of modern technologies in the field of energy production with the use of photovoltaic cells in the ROF area is to contribute in 2019-2035 to the reduction of CO2 emissions; to the increase in the production of electricity from RES, and to the reduction of the use of fossil fuels for the production of electricity. Diversification of energy sources, also at local and individual level, can be beneficial not only for the environment, but also for the budget of energy consumers.
Źródło:
Energy Policy Studies; 2019, 1 (3); 49-58
2545-0859
Pojawia się w:
Energy Policy Studies
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Electric energy access in Bangladesh
Autorzy:
Taheruzzaman, M.
Janik, P.
Powiązania:
https://bibliotekanauki.pl/articles/136227.pdf
Data publikacji:
2016
Wydawca:
EEEIC International Barbara Leonowicz Szabłowska
Tematy:
energy profile
energy efficiency
electric power sector
renewable energy
solar system
Opis:
This paper represents the overall electrical energy profile and access in Bangladesh. In the recent past, Bangladesh has been experiencing the shortage of electricity, and about 42% of the population no access to the electricity. The electricity consumption has rapidly increased over last decade. The demand and consumption will intensify in the remote future as overall development and future growth. To set “vision 2021” of Bangladesh; the government of Bangladesh has devoted to ensuring access to affordable and reliable electricity for all by 2021. In the modern time, energy is the vital ingredient for socioeconomic growth in the developing country i.e., alleviating poverty. Along with electricity access in Bangladesh strived to become the middle-income country by 2021. Bangladesh has experienced that energy consumption inclines to increase rapidly when per capita income reaches between US$ 1,000 and US$ 10,000, and a country’s growth momentum through reliable energy supply and consistent energy supply ensured by the sustainable energy. As increasing population in Bangladesh, the electric energy generation is an important dispute through the sustainable way.
Źródło:
Transactions on Environment and Electrical Engineering; 2016, 1, 2; 6-17
2450-5730
Pojawia się w:
Transactions on Environment and Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Efficiency Analysis of the Generation of Energy in a Biogas CHP System and its Management in a Waste Landfill – Case Study
Autorzy:
Ciuła, Józef
Generowicz, Agnieszka
Gaska, Krzysztof
Gronba-Chyła, Anna
Powiązania:
https://bibliotekanauki.pl/articles/2173248.pdf
Data publikacji:
2022
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
cogeneration
energy efficiency
energy ratio
landfill gas
municipal waste
renewable energy
Opis:
As a waste neutralization facility, the landfill is a kind of bioreactor producing landfill gas or (LFG) - biogas, which should be captured and neutralised for environmental reasons. One of the ways of its utilisation is the combined production of heat and electrical energy in combined heat and power (CHP) cogeneration systems. For that purpose, the assessment of the energy efficiency of a cogeneration unit was undertaken in this work on the basis of the unit performance over the last 5 years. The analysis of the CHP system energy performance demonstrated that the ratios range at the lower limits for units up to 0.5 MW. The lower efficiency of fuel chemical conversion in the CHP plant (0.70) stems from the failure to use the rated thermal and electrical power fully (74.2%), which is caused by the insufficient stream of biogas collected from the landfill (161.46 m3∙h-1). The analysis of the generated energy usage, particularly in terms of heat, has shown a surplus which is not used and therefore is a loss. The proposed solutions in this area should optimize the use of heat generated from the renewable source, i.e. landfill biogas.
Źródło:
Journal of Ecological Engineering; 2022, 23, 7; 143--156
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zapewnienie bezpieczeństwa energetycznego jako warunku zrównoważonego rozwoju Polski
Ensuring Energy Security as a Condition for Sustainable Development of Poland
Autorzy:
Jędral, Waldemar
Powiązania:
https://bibliotekanauki.pl/articles/954158.pdf
Data publikacji:
2020
Wydawca:
Uniwersytet Kardynała Stefana Wyszyńskiego w Warszawie
Tematy:
bezpieczeństwo energetyczne
odnawialne źródła energii
efektywność energetyczna
energia wbudowana
magazynowanie energii
energy security
renewable energy sources
energy efficiency
embodied energy
energy storage
Opis:
Energy security is a condition for the sustainable development of Poland. The paper is aimed at discussing problems related to ensuring energy security and presenting rational ways of solving them. The author justifies the need for a significant reduction in the burning of fossil fuels, among others, to reduce the emissions of many harmful substances. The need for efficient, reliable, controllable, and stable energy sources throughout the year, and in any weather has also been highlighted. Basing Polish energy on large wind and solar farms is prevented by the lack of effective methods for storing large amounts of electricity (e.e.). An important role in this respect may be played by massive development of small, distributed RES producing e.e. and heat for personal use and sending surplus e.e. to the network. The energy efficiency potential of production, and the related operating processes, can be considered an important resource. It is also necessary to significantly reduce the wastage of large amounts of energy to produce disposable, non-repairable, or low-quality products. The method used in the paper is a critical analysis of the current situation, along with improper solutions, using simple estimates, based on information from the available literature on the subject.
Bezpieczeństwo energetyczne jest warunkiem zrównoważonego rozwoju Polski. Celem pracy było omówienie problemów związanych z zapewnieniem bezpieczeństwa energetycznego i przedstawienie racjonalnych sposobów rozwiązania tych problemów. Uzasadniono konieczność znacznego ograniczenia spalania paliw kopalnych, m.in. w celu zmniejszenia emisji wielu szkodliwych substancji. Wskazano na potrzebę funkcjonowania dużych źródeł energii sprawnych, niezawodnych, sterowalnych i stabilnych przez cały rok i przy każdej pogodzie. Oparcie polskiej energetyki na dużych elektrowniach wiatrowych i fotowoltaicznych uniemożliwia osiągnięcie bezpieczeństwa energetycznego, brak bowiem jak dotąd efektywnych metod magazynowania wielkich ilości energii elektrycznej (e.e.). Istotną rolę może za to odegrać masowy rozwój małych, rozproszonych odnawialnych źródeł energii (OZE) wytwarzających e.e. i ciepło na użytek własny i wysyłających nadwyżki e.e. do sieci. Ważnym zasobem energii, wciąż niedostatecznie wykorzystanym, jest potencjał efektywności energetycznej procesów produkcyjnych i eksploatacyjnych. Konieczne jest też ograniczenie marnotrawienia wielkich ilości energii na produkcję wyrobów jednorazowego użytku, nienaprawialnych lub niskiej jakości, albo zbyt często wymienianych na nowe. W pracy zastosowano metodę krytycznej analizy obecnego stanu rzeczy i niewłaściwych rozwiązań wykorzystującą proste oszacowania oparte na informacjach z dostępnej literatury przedmiotu.
Źródło:
Studia Ecologiae et Bioethicae; 2020, 18, 2
1733-1218
Pojawia się w:
Studia Ecologiae et Bioethicae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Solar concentrators in heat balance of the building
Solnechnye ustanovki s koncentratovom teplovom balance zdanija
Autorzy:
Denysova, T.
Powiązania:
https://bibliotekanauki.pl/articles/77978.pdf
Data publikacji:
2014
Wydawca:
Komisja Motoryzacji i Energetyki Rolnictwa
Tematy:
heat balance
electricity
heat energy
solar energy
solar collector
energy efficiency
building
Źródło:
Motrol. Motoryzacja i Energetyka Rolnictwa; 2014, 16, 5
1730-8658
Pojawia się w:
Motrol. Motoryzacja i Energetyka Rolnictwa
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 509

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