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Wyszukujesz frazę "environmental technology" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Estimating environmental benefits resulting from the justification for the implementation of hydrogen technology in the road transport in Poland
Autorzy:
Gis, W.
Menes, E.
Waśkiewicz, J.
Powiązania:
https://bibliotekanauki.pl/articles/246311.pdf
Data publikacji:
2016
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
road transport
hydrogen technology
future development
environmental benefits
Opis:
Taking into account the depletion of crude oil resources, as well as progressive climate changes, requires both in the short and the long term a radical restructuring of the EU’s transport system. Among the measures designed to ensure attaining objectives of transport policy there are, among the others, proposals such as: gradual phasing-out of the conventionally-powered cars from the cities by the 2050 and transferring in the same time horizon, 50% of passenger transport over medium distances and the freight one over long distances, from the roads over to other modes of transport. New technologies for vehicles and traffic management will be the key to decreasing pollutants emissions form transport. The method of estimating environmental benefits resulting from the expected development of hydrogen technology in the road transport in Poland. The results of the adopted scenario of the expert forecast by the 2050 of the development of the fleet of cars equipped with hydrogen supplied fuel cells diving along the Polish roads, forecasts of the mileages of these vehicles. Predicted consumption of petroleum originated fuels by the vehicles being replaced by electric vehicles equipped with fuel cells. Estimating the emissions of pollutants by the said car fleet. The costs not incurred, related to the air pollution by gases and dust emitted from combustion engines of cars and buses as a result of the development of hydrogen technology in Poland in the selected forecast years, calculated based on the rates in force in Poland. These costs estimated based on the indicators published by the European Commission.
Źródło:
Journal of KONES; 2016, 23, 4; 597-603
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Alternative fuels and technologies for compression ignition internal combustion engines
Autorzy:
Bereczky, A.
Powiązania:
https://bibliotekanauki.pl/articles/241749.pdf
Data publikacji:
2012
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
alternative fuels
air pollution
environmental protection
dual fuel technology
Opis:
The traditional use of fossil-based fuels is now widely considered unsustainable because of depleting their natural resources. Potential substitutes of fossil fuels are oils of renewable origin such as various vegetable and non-edible oils. The aim of using these oils or their methyl esters (biodiesel) is to establish and maintain a balance between agriculture, economy and environment protection. However, realizing the increasing demand of raw materials currently used can be achieved not only by increasing the production area but also by introducing new materials or technologies. The article presents and evaluates modern raw fuel components that are currently being investigated. Furthermore, the article deals with the dual fuel combustion technology in detail, with which the processed fuels are becoming available for use in Compression Ignition (CI) engines, where conventional blending is difficult or their use exclusively in diesel engines is economically unjustified. In case of dual fuel engine systems, the primary fuel, such as (wet)ethanol, methanol, LPG, H2 etc. is injected into the intake manifold of the engine and the premixed mixture simultaneously produced is ignited by the pilot diesel fuel as secondary fuel injected directly into the engine cylinder. This technology can significantly reduce exhaust emissions and can slightly increase engine efficiency. The achievements in this field and recently obtained results by the author and his research group are also presented. Exhaust emissions, performance and combustion characteristics were measured and analyzed with respect to several operating parameters as follows: premixed ratio (rp), pilot timing and engine load.
Źródło:
Journal of KONES; 2012, 19, 4; 43-51
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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