Temat: Diesel engine emissions - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Impact analysis of internal catalyst converter on operating parameters of VW 1.9 TDI engine
Autorzy:: Haller, P.
Jankowski, A.
Powiązania:: https://bibliotekanauki.pl/articles/242517.pdf
Data publikacji:: 2014
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: catalyst
diesel engine
emissions
Opis:: The largest amount of air pollutants is produced by the combustion of fossil fuels (coal, lignite, petroleum, natural gas, etc.). Such combustion releases huge amounts of greenhouse gases into the atmosphere (including carbon oxides (CO, CO2), sulphur oxides (SO2, SO3), nitrogen oxides (NO, NOx)) and dust, ashes and soot. Transportation is a significant share of the air pollution, mainly wheel-based transportation. The combustion process in diesel engine is very complex physico-chemically and varies in time. The process is accompanied by simultaneous exchange of heat and mass and chemical reactions. The development of internal combustion engines is made towards meeting of the increasingly stringent requirements for toxic exhaust emissions, reduction of fuel consumption, and preservation of Earth's natural resources. The problem to solve in modern diesel engines is the emission of toxic compounds. One way to reduce emissions is to use a catalytic converter positioned directly in the combustion chamber of an internal combustion engine. The aim of this analysis is assessment of toxic emissions of a diesel engine with an internal catalyst. Qualitative assessment of engine emissions was determined by comparing test results of an engine with ceramic-ally coated valves against one with just conventional valves (commercial valves - without a ceramic coating). The study utilized a fourcylinder 1.9 TDI VW engine. It was expected that the use of glow plugs with an active coating would reduce the release of toxic compounds.
Źródło:: Journal of KONES; 2014, 21, 1; 99-106
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Water - fuel microemulsions influence on fuel consumption and exhaust gas emissions
Autorzy:: Cienciała, M.
Haller, P.
Jankowski, A.
Kardasz, P.
Powiązania:: https://bibliotekanauki.pl/articles/244361.pdf
Data publikacji:: 2013
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: combustion engine
diesel engine
microemulsion
fuel consumption
emissions
Opis:: Combustion in a diesel engine is a complex physicochemical process, changing the time at which the events take place simultaneously heat and mass transfer and chemical reactions. The development of internal combustion engines goes towards meeting the increasingly stringent requirements for toxic exhaust emissions, reducing fuel consumption and therefore reduce carbon emissions and protect the Earth's natural resources. The problem to solve in modern combustion engines is the emission of NOx. One way to reduce the emission of toxic NOx combustion engine power is water-hydrocarbon emulsions [1]. Research combustion engines water-hydrocarbon emulsions has been its tradition. So far, attempts were carried out using an emulsion obtained by a chemical. Emulsions of oil and water can be obtained by adding various detergents to prevent delamination of the oil and water. In this article, we consider the possibility of applying a mixture of water and oil as an alternative fuel used to power internal combustion engines used in heavy road transport. This work is preliminary work, also having to check whether this is the future direction of the work. The measurements of emissions of exhaust gases and fuel consumption. After analysing the test results confirmed that the improvement of the economic and environmental performance of modern diesel engines, it can be achieved by supplying synthetic diesel or gas oil water emulsions. It was found that the use of emulsion leads to a reduction of fuel consumption and NOx emissions.
Źródło:: Journal of KONES; 2013, 20, 3; 111-116
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Potential non-toxic aqueous emulsion as a diesel fuel
Autorzy:: Haller, P.
Jankowski, A.
Kolanek, C.
Walkowiak, W.
Powiązania:: https://bibliotekanauki.pl/articles/244342.pdf
Data publikacji:: 2015
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: emulsions
water
diesel engine
nitrogen oxides
emissions
Opis:: Natural processes occurring on Earth (fires, volcanic eruptions) and human activity in the area of acquisition and processing of energy, is the cause of the continuous contaminating the atmosphere of combustion products. The combustion of fuels is and will be in the near future primary means of generating energy, including for transportation purposes. Transport is the cause of many environmental threats - emits dust and particles along with many of gaseous harmful substances and also noise and vibration. Power sources used for transport are almost exclusively equipped with internal combustion engines, among which is dominated by a diesel engines. In view of the known advantages of these motors such as high efficiency and relatively low emissions of toxic compounds in the exhaust gas, they have been accepted as the most preferred source of power motor vehicles in the coming decades, assuming that meet the requirements of future regulations regarding environmental protection. The problem to be solved in internal combustion engines is the emission of nitrogen oxides. In this paper are contained an overview of proven methods and results in the reduction of nitrogen oxides in exhaust gases by means of emulsion fuels, and forming an opinion concerning of the usefulness of such solutions in the future.
Źródło:: Journal of KONES; 2015, 22, 3; 43-48
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Researches of influence kind of piston on some parameters of the S12-U Wola diesel engine
Autorzy:: Jankowski, A.
Kołomecki, J.
Siemińska, B.
Powiązania:: https://bibliotekanauki.pl/articles/246538.pdf
Data publikacji:: 2012
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: diesel engine
engine testing
engine piston
composite alloys
emissions
fuel consumption
Opis:: Increased weight and greater requirements, regarding manoeuvring opportunities need extension of the power of combustion engines determining their powertrain units. In case of the family "W" engines, following developmental versions came into existence as a result of the modernization of the earlier version, among others thru the optimization of the combustion process, applying of the supercharging, as well as strengthening of the internal construction, which made it possible to carry greater thermal and mechanical loads. The subjects of the study were pistons made from composite materials of the small hysteresis of the alloy mounted on the S12-U combustion engine. In the novel construction of the piston, the outline of the overcoat was modified, the shape of the combustion chamber, the hole for the piston pin, grooves for the piston rings and shape of internal surfaces remained unchanged. A characteristic feature of the novel piston is the smaller hysteresis of the coefficient of thermal expansion composite alloy, alfa of which the pistons were made, whereas a so-called hysteresis is the difference of the coefficient alfa, which occurs during warming and piston cooling, and takes place during working of the piston in the combustion engine. The smaller hysteresis of the coefficient alfa makes the decreasing clearances between piston and cylinder possible, what has a beneficial influence on work parameters of the combustion engine, especially under conditions of partial loading of the engine. Basic parameters of the engine for the maximum torque characteristics and load characteristics are the object of the paper.
Źródło:: Journal of KONES; 2012, 19, 3; 185-194
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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