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Wyświetlanie 1-10 z 751
Tytuł:
Renewable energy sources today and tomorrow
Autorzy:
Wilas, Janusz
Maśniak, Robert
Daniszewski, Piotr
Jadczak, Paula
Powiązania:
https://bibliotekanauki.pl/articles/1192619.pdf
Data publikacji:
2016
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Renewable Energy Sources
Environment
Sustainability
Green Energy
Opis:
Renewable energy sources (RES) have significant potential to contribute to the economic, social and environmental energy sustainability of small islands. They improve access to energy for most of the population, they also reduce emissions of local and global pollutants and they may create local socioeconomic development opportunities. A majority of the communities around the world rely heavily on oil, natural gas and coal for their energy needs. These fuels draw on lots of resources that will eventually diminish, which in turn makes them too expensive or too environmentally damaging to recover. This review article discusses the advantages and disadvantages of renewable energies; therefore based on the benefits of these energy resources, the use of renewable energies, instead of, fossil fuels will be a good solution for the control of the environmental, social and economical problems of our communities.
Źródło:
World Scientific News; 2016, 60; 103-112
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
RENEWABLE ENERGY SOURCES AND THIRD GENERATION UNIVERSITY
Autorzy:
Pavlov, Daniel
Powiązania:
https://bibliotekanauki.pl/articles/450524.pdf
Data publikacji:
2010
Wydawca:
Uniwersytet Gdański. Wydawnictwo Uniwersytetu Gdańskiego
Tematy:
Renewable Energy Sources
Technostarters
Third Generation University
Opis:
Since the beginning of the 21st century, entrepreneurs are able to use the innovations at the universities in order to set up their own business. That collaboration is part of the concept of the “Third Generation University”. The aim of this paper is to outline some possibilities for innovative business development in the Ruse region, Bulgaria that are aimed at supporting technostarters who use biomass for energy production. It describes the need of renewable energy sources in EU context, gives some arguments in university support to entrepreneurs and describes an example of the collaboration of Ruse University with a company that uses biomass for energy production.
Źródło:
International Journal of Emerging and Transition Economies (IJETE); 2010, 3, 2; 285-299
1308-2701
Pojawia się w:
International Journal of Emerging and Transition Economies (IJETE)
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Improving Investment Efficiency by Using Renewable Energy Sources
Autorzy:
Grzeszczyk, T. A.
Izdebski, M.
Powiązania:
https://bibliotekanauki.pl/articles/409252.pdf
Data publikacji:
2016
Wydawca:
Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
Tematy:
investment efficiency
renewable energy sources
project evaluation
Opis:
The reduction of natural resources and the ever increasing demand for energy forces research on new energy sources. In the case of obtaining energy from non-renewable sources of energy, natural resources are used as fuel in the combustion process. This way relatively high calorific value is achieved but it is associated with the number of fundamental flaws. Among other things, this may include destruction of the environment in the vicinity of extraction of conventional fuels’ sources, emission of large amounts of harmful substances during the combustion of conventional fuels causing the pollution of natural environment and there is a danger of life or health loss for people working in the extraction of fossil fuels. The use of renewable energy sources is related to interesting investment opportunities in the energy field and there are no problems mentioned above. For these reasons, it is worthwhile to conduct research on improving investment efficiency by using new, renewable sources. Therefore, the purpose of this paper is showing the opportunities of improving efficiency of electric power investment by using renewable energy sources. This article presents a comprehensive overview of renewable technologies used to produce electricity. Then, the attention was focused on assessing the financial efficiency of wind turbines. The considerations were illustrated with the examples of calculation of financial ratios NPV and IRR for a hypothetical investment in the production of electric power using the wind farm. The calculations and analysis conducted can provide interesting basis for further research on improving electric power investment efficiency by using renewable energy sources and new comprehensive evaluation methods of such investments. Comprehensive evaluation methods should take into consideration multifaceted nature of the projects.
Źródło:
Research in Logistics & Production; 2016, 6, 4; 331-342
2083-4942
2083-4950
Pojawia się w:
Research in Logistics & Production
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Regional planning for renewable energy sources – new approach
Autorzy:
Oniszk-Popławska, A.
Matyka, M.
Buss, R.
Powiązania:
https://bibliotekanauki.pl/articles/115883.pdf
Data publikacji:
2013
Wydawca:
Fundacja na Rzecz Młodych Naukowców
Tematy:
regional spatial and energy planning
regional policy
renewable energy
agricultural biogas
planowanie przestrzenne i regionalne energii
polityka regionalna
energia ze źródeł odnawialnych
biogaz rolniczy
Opis:
The energy market paradigm shift towards the so called “green revolution” assumes that in the next few decades dispersed energy sources will replace centralized generation systems. Despite growing energy related spatial conflicts, already accompanying the development of dispersed generation, it is not clear how to integrate new energy infrastructure into planning procedures. This article presents a new approach at the regional level, by unveiling the technology diffusion theory and its implications for the development planning of renewable energy sources (RES). It suggests how to integrate energy related issues into regional spatial policy, by presenting prospects for agricultural biogas plants (ABPs) in the Lubelskie region, Poland; dwelling on the experiences from a best practice region Lower Saxony, Germany.
Źródło:
Challenges of Modern Technology; 2013, 4, 2; 37-46
2082-2863
2353-4419
Pojawia się w:
Challenges of Modern Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The role of renewable energy sources in agritourist economy
Autorzy:
Cichowska, J.
Powiązania:
https://bibliotekanauki.pl/articles/101522.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
Tematy:
rural areas
renewable energy sources
RES
agricultural farm
agritourism
Opis:
The study shows an analysis of renewable energy sources in terms of their use in agritourist farms. The conducted survey aimed at finding out whether it was the respondents’ age, farm size or incomes obtained from different sources that had the biggest impact on decisions to invest in ecological energy media. An answer was provided to the question whether implementation of ecological energy systems was followed by significant reduction in agritourist activity costs. The level of interest in such energy media among farmers who do not use them was assessed. The attitude of agritourist service providers toward more effective utilization of natural resources to the advantage of the natural environment was determined.
Źródło:
Infrastruktura i Ekologia Terenów Wiejskich; 2018, III/1; 635-647
1732-5587
Pojawia się w:
Infrastruktura i Ekologia Terenów Wiejskich
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Connecting renewable energy sources to the electro-power network
Autorzy:
Sikora, M.
Powiązania:
https://bibliotekanauki.pl/articles/105716.pdf
Data publikacji:
2013
Wydawca:
Centrum Badań i Innowacji Pro-Akademia
Tematy:
electrical grid
connection
RES
biogas plant
sieć elektroenergetyczna
połączenie
OZE
odnawialne źródła energii
biogazownia
Opis:
The aim of this article is to bring together issues related to the connection of renewable energy sources to the power grid. The principles of connecting the production sources described in this article apply practically to any renewable source for which the final product is electricity. Recent changes to the Energy Law in micro and small installations have also been considered, as well as the impact of these changes on the connection process.
Źródło:
Acta Innovations; 2013, 9; 17-22
2300-5599
Pojawia się w:
Acta Innovations
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effects of renewable energy sources on air-fuel ratio
Autorzy:
Torok, A.
Zoldy, M.
Csefalvay, E.
Powiązania:
https://bibliotekanauki.pl/articles/242855.pdf
Data publikacji:
2018
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
air-fuel ratio
lambda
gasoline
ethanol
combustion engine
air pollution
environmental protection
Opis:
Environmental emission of road transport is a key problem. Periodic environmental test are designed to ensure minimum emission. Periodic checks are based on measurements. In this emission measurements fuel type plays an important role. The Brettschneider equation is a method used to compare the idealized and actual air fuel ratio. Brettschneider established a method to calculate ratio of oxygen to fuel by comparing the ratio of oxygen molecules to carbon and hydrogen molecules in the exhaust. In this article, authors have investigated blended ethanol effect on idealized and actual air fuel ratio based on Brettschneider equation. The main result of the article that blended ethanol has insignificant effect on air-fuel ratio. The article presents inter alia difference in stoichiometric air fuel ratios in case of different fuels, changes in λ due to blending ethanol and comparison of influence of emissions of different types of transport. In the article authors focus particularly on periodic checks and gasoline driven cars. The main research question was if ethanol blends have effect on idealized and actual air fuel ratio based on Brettschneider equation
Źródło:
Journal of KONES; 2018, 25, 3; 473-477
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Development limitations and perspectives of renewable energy sources in Poland
Autorzy:
Michalak, A.
Dziugiewicz, S.
Powiązania:
https://bibliotekanauki.pl/articles/409932.pdf
Data publikacji:
2018
Wydawca:
STE GROUP
Tematy:
renewable energy sources
environment protection
power industry in Poland
Opis:
Because of deteriorating condition of the environment and more and more difficult situation on the market of energy fuels, the role of renewable energy sources is increasing. In the paper an analysis was performed on the development limitations and perspectives of renewable energy sources on the Polish market. The analysis conducted shows that the renewable energy sources start to be used in a bigger scale in Poland. It may also be noticed that the significance of the particular renewable energy sources is dynamically changing in time. In year 2005 hydropower was largely dominating among the renewable energy sources, however, in 2016 wind power was clearly prevailing. One of the most important factors determining the development of renewable energy sources in Poland are legal conditions. They were subject to analysis, taking into account the European Union regulations and Polish regulations. The research was based on literature review, analysis of legal regulations and of data coming from the reports and statistics published by the Central Statistical Office, Ministry of Energy, Ministry of Environment, Energy Regulatory Office, Fund for Environmental Protection and Water Management, and other organizations.
Źródło:
Management Systems in Production Engineering; 2018, 4 (26); 237-240
2299-0461
Pojawia się w:
Management Systems in Production Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Odnawialne źródła energii : wybrane problemy
Renewable Energy Sources : Selected Problems
Autorzy:
Zmywaczyk, J.
Powiązania:
https://bibliotekanauki.pl/articles/403879.pdf
Data publikacji:
2013
Wydawca:
Wojskowa Akademia Techniczna im. Jarosława Dąbrowskiego
Tematy:
odnawialne źródła energii
wiatraki
kolektory słoneczne
pompy ciepła
renewable energy
wind turbines
solar panels
heat pumps
Opis:
W pracy przedstawiono wybrane problemy dotyczące kilku odnawialnych źródeł energii (OZE), takich jak energia: wiatru, promieniowania słonecznego oraz geotermalna z wnętrza Ziemi. W oparciu o dostępną literaturę dokonano oceny dostępności energii tych źródeł, następnie przedstawiono typowe rozwiązania techniczne umożliwiające konwersję energii odnawialnej w energię elektryczną i/lub ciepło, a także pokazano na przykładach współcześnie działające elektrownie wiatrowe, kolektory słoneczne, stawy słoneczne, panele fotowoltaiczne oraz instalacje grzewcze z pompą ciepła. Pokazano zarówno obecne, jak i prognozowane do 2035 roku, światowe zapotrzebowanie ludzkości na energię oraz zwrócono uwagę na wady i zalety związane z wykorzystaniem poszczególnych źródeł energii odnawialnej.
The paper presents selected issues on several renewable energy sources (RES) such as: wind, solar, and geothermal energy from the Earth's interior. Based on the available literature an assessment of the energy sources availability was made, then typical technical solutions to convert renewable energy into electricity and/or heat were presented, and finally some examples of contemporary wind turbines, solar panels, solar ponds and heating systems with heat pumps were shown. In addition to this the current and projected up to 2035 year global demand for energy was given and the advantages and disadvantages associated with the use of various sources of renewable energy were highlighted.
Źródło:
Problemy Mechatroniki : uzbrojenie, lotnictwo, inżynieria bezpieczeństwa; 2013, 4, 1 (11); 37-58
2081-5891
Pojawia się w:
Problemy Mechatroniki : uzbrojenie, lotnictwo, inżynieria bezpieczeństwa
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The aspect of environmental effectiveness of renewable energy sources utilization
Autorzy:
Noch, T.
Wesołowska, A.
Powiązania:
https://bibliotekanauki.pl/articles/1191865.pdf
Data publikacji:
2018
Wydawca:
Gdańska Szkoła Wyższa
Tematy:
emission of pollutants
ecological safety
cogeneration systems
renewable resources
Opis:
This article concerns using renewable energy resources. It contains an analysis of pollution emissions created by combustion of conventional and unconventional energy resources. It provides examples of cogeneration systems. In particular, it focuses on a system correlated with a gas turbine and a system correlated with a piston combustion engine. Attention is paid to the issue of applying innovative solutions in heating technology.
Źródło:
Eco-Energetics: technologies, environment, law and economy; 2018, 1; 83--88
2657-5922
2657-7674
Pojawia się w:
Eco-Energetics: technologies, environment, law and economy
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-10 z 751

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