2014
DOI: 10.1115/1.4027408
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Abstract: A new hydroprocessed renewable diesel (HRD) fuel comprised both straight chain and branched alkane fuel components. In an effort to find a research surrogate for this fuel, single cylinder engine testing was performed with various blends o f n-hexadecane (cetane) and isocetane in order to find a binary surrogate mixture with similar perform ance characteristics to that of the HRD. A blend of approximately two-thirds n-hexade cane with one-third isocetane showed the most similar behavior based on conventional c… Show more

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Cited by 16 publications
(11 citation statements)
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References 37 publications
(36 reference statements)
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“…see [63,180]. Efforts have improved kinetic descriptions of n-alkanes [181] and weakly branched alkanes [182] over a wide range of carbon numbers [183], with further work on n-and iso-cetane [27,184], cyclo-alkanes [185] and decalin [186]. Higher molecular weight alkyl aromatics [187], including those found in diesel fuels [188,189] are continuing to be addressed.…”
Section: Surrogate Mixture Concepts and Approaches For Emulating Realmentioning
confidence: 99%
See 1 more Smart Citation
“…see [63,180]. Efforts have improved kinetic descriptions of n-alkanes [181] and weakly branched alkanes [182] over a wide range of carbon numbers [183], with further work on n-and iso-cetane [27,184], cyclo-alkanes [185] and decalin [186]. Higher molecular weight alkyl aromatics [187], including those found in diesel fuels [188,189] are continuing to be addressed.…”
Section: Surrogate Mixture Concepts and Approaches For Emulating Realmentioning
confidence: 99%
“…Though argued that aircraft applications are better purposed [25], the high cetane number of many of these materials is also conducive to diesel applications without strong blending limit constraints [17]. Hydrotreated renewable diesel derived from algae is also under consideration by the U.S. Navy [26][27][28]. Non-aromatic alternative fuels with cetane numbers ranging from 30 to 70 or more (see later discussions) can be produced by varying the ratio of normal and iso-paraffinic fractions.…”
Section: Introductionmentioning
confidence: 99%
“…Mixtures of models compounds, often called surrogate mixtures, are useful for building an understanding of the physical properties and chemical reactions of complex fuel mixtures. Surrogate fuels can provide a baseline for engine performance, and they can help in making predictions for the more complex fuel. Cowart et al modeled the ignition delay measured in a Yanmar L48 V direct-injection diesel engine with a unit pump system to determine the contributions of chemical and physical ignition delay to the overall ignition delay of mixtures of isocetane and cetane, which are surrogate mixtures for hydroprocessed renewable diesel fuel from algae. They found that for cetane, the physical and chemical ignition delays are similar, but as the amount of isocetane increased, the chemical delay increased in its contribution to the overall ignition delay.…”
Section: Introductionmentioning
confidence: 99%
“…Also increased spray tip penetration due to high injection pressure results in spray impingement on wall and piston, leading to high HC emissions. In an investigation, conventional diesel fuel (Navy NATO F76) was compared with the new Navy hydro processed renewable diesel (HRD) fuel from algal sources, as well as the high cetane reference fuel nC16 (n-hexadecane CN¼100) [6]. It was observed that increasing fuel injection pressure shortened the ignition delay for all fuels.…”
Section: Effect Of Varying Fuel Injection Pressure With Diesel Fuelmentioning
confidence: 99%