Autor: Piętak, A. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Biofuels - opportunities and challenges
Autorzy:: Piętak, A.
Radkowski, S.
Powiązania:: https://bibliotekanauki.pl/articles/246053.pdf
Data publikacji:: 2011
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: renewable energy sources
biofuels
biocomponents
standards for biofuels
legislation
Opis:: Development of alternative energy sources, including biodiesel, leads to growth of threats for the economy end environment issues all over the world. Manny research and effort was done during last years to introduce first and second generation biofuels to the market. Besides the first running Diesel engine was supplied by biofuel on this field still is lot to do. The issue of alternative fuels has gained additional importance because of much environmental, financial and political matter. The paper describes the legacy and achievements of the research work which was carried out in Poland, presents directions of biofuels usage. Presents development of legislation and standards are affecting producing and usage alternative energy sources in Poland and Europe as well as other countries all over the World. Renewable energy sources, minimal content of biofuel in fuels acc. to EU directive, comparison of properties of alternative fuels, classification of biofuels, simplified systems block diagram of the algae do biodiesel process, development of alternative fuels technologies, European norms in use of bio-fuels and bio-components, biofuel market in Poland, renewable fuels other than biofuels are presented in the paper.
Źródło:: Journal of KONES; 2011, 18, 3; 347-358
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Methane - a fuel for agriculture
Autorzy:: Piętak, A.
Radkowski, S.
Powiązania:: https://bibliotekanauki.pl/articles/247160.pdf
Data publikacji:: 2011
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: renewable energy sources
biofuels
gaseous biofuels
methane
biomethane
Opis:: The development of societies building modern economies and production was and is associated with the continuous growth of energy consumption. Nowadays the world was forced to take a different look at the problem of energy consumption and fossil fuels. Because of cost of mining and production, unstable political situation in resource-rich countries and ecological perspective, many scientists seeks renewable energy sources, in quantity sufficient to meet the demand. Because of development of technologies obtaining many types of renewable energy sources that can be adapted to the needs of energy and the environment in which it will be received. Because of rich resources of ingredients that make production possible biogas, it is the most appropriate renewable fuel for agricultural infrastructure. The paper comprehensively describes factors influencing the development of renewable energy to their nature and technology in the application of renewable fuel gas with particular reference to methane gas and biomethane. There is general agreement on the Reed for sustainable biofuel industry, there is little understanding on how to avoid social and environmental degradation with global biofuel production. Results showed a variety of government policies, the most significant of which concerns agricultural production. In analyses the impact of government's policies on promotion of affordable, alternative energy sources capable of maintaining current energy consumption standards.
Źródło:: Journal of KONES; 2011, 18, 4; 357-386
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Dual - fuel low power generator with diesel engine using alternative fuels
Autorzy:: Imiołek, M.
Piętak, A.
Imiołek, A.
Powiązania:: https://bibliotekanauki.pl/articles/246549.pdf
Data publikacji:: 2012
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: alternative fuels
diesel engine
dual-fuel engine
biofuels
Opis:: At the moment, there is a growing interest in low-power generating units in dispersed system. The production of energy in small units located in the vicinity of the energy recipients offers considerable benefits. First and foremost, it lowers the cost of energy production and the cost of its transfer and also makes the recipient independent from the domestic supplier. Small cogeneration aggregates will facilitate the use of energy from dispersed renewable resources. Gas self-ignition engines in cogeneration system powered with biofuels can be used in construction industry as ecological sources of heat and electrical energy, limiting the need for fossil fuels. This paper presents the possibility of using alternative fuels for internal combustion engines. It describes the possibility of using liquid biofuels separately or natural gas fuel to power diesel engines in dual fuel system. The conception of supplying low-power generator with diesel engine with natural gas to a dose of liquid biofuels test case. Pointed to the factors determining the desirability of a particular concept. Indicated the modification of the engine power to supply the natural gas generator with a dose of liquid biofuels. New technologies of extracting and using biofuels and alternative fuels are being introduced and developed for generating heat and electric energy. Studies on the use of gas and liquid alternative fuels are directly linked to research on the production of renewable and alternative energy as well as environment protection by minimizing emissions of toxic substances into the atmosphere.
Źródło:: Journal of KONES; 2012, 19, 3; 171-176
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Examining the quality of custom productions biofuels
Autorzy:: Piętak, A.
Chraplewska, N.
Duda, K.
Powiązania:: https://bibliotekanauki.pl/articles/247665.pdf
Data publikacji:: 2010
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: biofuels
examinations and quality standards
custom production
Opis:: In relation to the scantiness of stores and the constantly increasing demand for energy, societies are forced to seek alternative energy sources. Biofuels that is fuels produced of biomass are one of them. The most important biofuels are bioethanol (produced from sugar cultivations and cereal crops, used with petrol) and biodiesel (ester produced mainly of vegetable oils; serves as the substitute or the addition to diesel). The esters of vegetable oils production requires using appropriate apparatus which enables to produce esters with parameters defined in very exacting legal norms about the quality of such fuel. In the paper were described results examining the quality of esters and mineral oils made with the use highly specialist, new generation 's apparatus which fulfll the conditions defining in the relevant norm. Results of those surveys are showing that using simple methods in production such biofuel doesn 't let for getting the product with parameters defined by the law. Applying fuel with lowered standard parameters influences on observed cases of improper functioning of fuel apparatus in engines with self-ignition, mainly in case of high pressure systems (e.g. Common Rail).
Źródło:: Journal of KONES; 2010, 17, 4; 391-398
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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