Download | - View accepted manuscript: An experimental study on the effect of hydrogen enrichment on diesel fueled HCCI combustion (PDF, 823 KiB)
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DOI | Resolve DOI: https://doi.org/10.1016/j.ijhydene.2011.07.143 |
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Author | Search for: Guo, Hongsheng1; Search for: Hosseini, Vahid1; Search for: Neill, W. Stuart1; Search for: Chippior, Wallace L.1; Search for: Dumitrescu, Cosmin E.1 |
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Affiliation | - National Research Council of Canada. NRC Institute for Chemical Process and Environmental Technology
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Format | Text, Article |
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Subject | Homogeneous charge compression; ignition (HCCI); Diesel fuels; Combustion process; Hydrogen enrichment; Exhaust emissions |
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Abstract | This paper experimentally investigates the influence of hydrogen enrichment on the combustion and emission characteristics of a diesel HCCI engine using a modified Cooperative Fuel Research (CFR) engin. Three fuels, n-heptane and two middle distillates with cetane numbers of 46.6 and 36.6 are studied. The results show that hydrogen enrichment retards the combustion phasing and reduces the combustion duration of a diesel HCCI engine. Besides, hydrogen enrichment increases the power output and fuel conversion efficiency, and improves the combustion stability. However, hydrogen enrichment may narrow the operational compression ration range and increase the knocking tendency. Both the overall indicated specific CO emissions (isCO) and CO emissions per unit burned diesel fuel mass are reduced by hydrogen enrichment. Although hydrogen enrichment decreases the overall indicated specific unburned hydrocarbon emissions (isHC), it does not significantly affect the HC emissions per unit burned diesel fuel mass. |
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Publication date | 2011-10-01 |
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In | |
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Language | English |
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Peer reviewed | Yes |
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NRC number | NRCC 53029 |
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NPARC number | 19335193 |
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Export citation | Export as RIS |
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Report a correction | Report a correction (opens in a new tab) |
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Record identifier | 9b62ff49-7642-4ee3-9dc2-2384f334eadd |
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Record created | 2012-01-27 |
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Record modified | 2020-04-21 |
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