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176篇 您的检索式:作者名="Fridell"
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1甲醇燃料的船用发动机对空气排放的测量显示文摘Emissions of exhaust gases and particulate matter from a dual fuel marine engine using methanol as fuel with marine gasoil as pilot fuel have been examined for a ferry during operation.The emission factor for nitrogen oxides is lower than what is typically found for marine gasoil but does not reach the tier III limit.The emissions of particulate matter are significantly lower than for fuel oils and similar to what is found for LNG engines.The main part of the particles can be found in the ultrafine range with the peak being at around 18 nm.About 93%of the particles are evaporated and absorbed when using a thermodenuder,and thus a large majority of the particles are volatile.Methanol is a potential future marine fuel that will reduce emissions of air pollutants and can be made as a biofuel to meet emission targets for greenhouse gases.Erik Fridell Håkan Salberg Kent Salo 2021Journal of Marine Science and Application2021,20,1:4
2Impact of Aromatic Concentration in Marine Fuels on Particle Emissions显示文摘The fuel sulfur content in marine fuels has been regulated in Sulfur Emission Control Areas(SECAs) since January 2015. However, other fuel characteristics are also believed to have an impact on particle emissions, particularly on the number of particles emitted. This study investigates the impact of the content of aromatics in fuel. To achieve fuel blends with concentrations of aromatics similar to those found in marine fuel oils, i.e. 20%–30% by volume(%vol.), normal diesel oil(4%–5% vol. aromatics) is doped with a mixture of aromatics. Emission measurements are conducted in test-bed engine facilities and particle emissions over a wide size range are analyzed. Results show a decreased number of particles emitted(or not change) with an increase in the aromatic concentration in fuel. This is because there is a reduction in the cetane number of the fuel with an increased aromatic content, which effects the combustion process and results in decreased particle formation. However, when ignition improver is used to increase the cetane number, particle emissions remain at a lower level than for normal diesel oil; thereby emphasizing the presence of other factors in the formation of particles.Maria Zetterdahl Kent Salo Erik Fridell Jonas Sjoblom 2017Journal of Marine Science and Application2017,16,3:3
3Influence of platinum and rhodium composition on the NO~ storage and sulphur tolerance of a barium based NO~ storage catalyst 显示文摘Ambemtsson A Fridell E Skoglundh M 2003Applied Catalysis B : Envi- ronmental2003,46,3:1
4Atmospheric corrosion products on Al Zn and AlZn metallic coatings显示文摘J J Fridel 1986Corrosion1986,42,17:1
5Time transfer by laser link (T2L2) experiment on Mir显示文摘Samain E and Fridelance P 1998Metrologia1998,35,:1
6A comparison between Pt and Pd in NOx storage catalysts 显示文摘Salasc S Skoglundh M Fridell E 2002Applied Catalysis B : Environmental2002,36,2:1
7T2L2-time transfer by laser link: A new optical time transfer generation显示文摘Fridelance P Samain E and Veillet C 1997Experimental Astronomy1997,7,:1
8A comparison between Pt and Pd in NOx storage catalysts显示文摘SALASC S SKOGLUNDH M FRIDELL E 2002Applied Catalysis B:Environmental2002,36,2:1
9NO~ Storage in Bari- um-Containing Catalysts 显示文摘Fridell E Skoglundh M Westerberg B 1999Journal of Catalysis1999,183,2:1
10Characterization of particulate matter and gaseous emissions from a large ship diesel en- gine显示文摘MOLDANOVA J FRIDELL E POPOVICHEVA O 2009Atmos Environ2009,43,16:1
11Severe hypernatremia in deceased liver donors does not impact early transplant outcome显示文摘Mangus RS Fridell JA Vianna RM 2010Transplantation2010,90,4:1
12GAS6 induces Axl - mediated chemotaxis of vascular smooth muscle cells 显示文摘Fridell YW Villa J Jr Attar EC 1998J Biol Chem1998,273,12:1
13NOx storage in barium-containing catalysts 显示文摘FRIDELL E SKOGLUNDH M SMEDLER G 1999Journal of Catalysis1999,183,2:1
14Expanded learning opportunities:some important consideration for dissection in the 'supported' problem-based learning medical curriculum at the University of CapeTown显示文摘LOUW G VIVIAN L FRIDELING J 0,,07:1
15Severe hypematremia in deceased liver donors does not impact early transplant outcome 显示文摘Mangns RS Fridell JA Vianna RM 2010Transplantation2010,90,4:1
16Selective catalytic reduction of NOx with NH3 over Cu-ZSM-5 :The effect of changing the gas com- position 显示文摘Sjtvall H Olsson L Fridell E 2006Applied Catalysis B : Environmental2006,64,3:1
17The mechanism for NOx storage显示文摘 PERSSON H 2000Catalysis Letters2000,66,:1
18Low-temperature CO oxidation over platinum and cobalt oxide catalysts 显示文摘Thormahlen 1 P Skoglundh M Fridell E 1999J Catal1999,188,2:1
19On the catalytic activity of Co30a in low-temperature CO oxidation 显示文摘Jansson J Palmqvist A E C Fridell E 2002J Catal2002,211,2:1
20Compliance possibilities for the future ECA regulations through the use of abatement technologies or change of fuels显示文摘Brynolf S Magnusson M Fridell E 2014Transportation Research Part D:Transport and Environment2014,28,:1
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