Journal ArticleDOI
Tailor-Made Fuels from Biomass for Homogeneous Low-Temperature Diesel Combustion
Andreas Janssen,Florian Kremer,Jan H. Baron,Martin Muether,Stefan Pischinger,Juergen Klankermayer +5 more
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In this article, a literature survey is carried out, focusing on the impact of the cetane number, boiling characteristics, and aromatic and oxygen contents on the diesel combustion process, and a model-based analysis of desired fuel properties was conducted, using a large database with 32 different f...Abstract:
The use of modern biofuels in mobile applications has an enormous potential to reduce greenhouse gases as well as engine pollutant emissions, such as soot or nitrogen oxides. This beneficial effect is directly related to the molecular structure of the biofuel as a product of an optimized production process. To understand the influence and emission reduction potential of the large variety of different fuel properties, this study aims to identify desirable fuel characteristics and define optimized biofuel components. In a first step, a literature survey is carried out, focusing on the impact of the cetane number, boiling characteristics, and aromatic and oxygen contents on the diesel combustion process. The incorporated investigations that analyze the combustion behavior, engine efficiency, and emission performance underline the potential of tailoring fuels to desired properties. From this foundation, a model-based analysis of desired fuel properties was conducted, using a large database with 32 different f...read more
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Journal ArticleDOI
Reduced Kinetic Schemes of Complex Reaction Systems: Fossil and Biomass‐Derived Transportation Fuels
Eliseo Ranzi,Alessio Frassoldati,Alessandro Stagni,Matteo Pelucchi,Alberto Cuoci,Tiziano Faravelli +5 more
TL;DR: In this paper, the authors use a reaction flux analysis to reduce the number of involved species by adopting a lumping approach, and then generate several skeletal mechanisms for typical surrogate mixtures, moving from pure n-heptane up to heavy diesel fuels.
Journal ArticleDOI
Advanced Biofuels and Beyond: Chemistry Solutions for Propulsion and Production.
TL;DR: It will be demonstrated that a fundamental understanding of the combustion process can be instrumental to derive design criteria for the molecular structure of fuel candidates, which can then be targets for the analysis of synthetic pathways and the development of catalytic production routes.
Journal ArticleDOI
Membrane processes in biorefinery applications
TL;DR: In this article, the role of membrane separations within current and future biofuel and biorefinery scenarios is highlighted and a reflection of membrane-based downstream processes required in a biore-finery transforming cellulose into an itaconic acid.
Journal ArticleDOI
Solvent-free γ-valerolactone hydrogenation to 2-methyltetrahydrofuran catalysed by Ru/C: a reaction network analysis
TL;DR: In this paper, the optimal reaction conditions for the hydrogenation of 2-Methyltetrahydrofuran (2-MTHF) over Ru/C have been studied.
Journal ArticleDOI
Tailor-made fuels for future engine concepts
Fabian Hoppe,Benedikt Heuser,Matthias Thewes,Florian Kremer,Stefan Pischinger,Manuel Dahmen,Manuel Hechinger,Wolfgang Marquardt +7 more
TL;DR: Increasing carbon dioxide accumulation in earth's atmosphere and the depletion of fossil resources pose huge challenges for our society and, in particular, for all stakeholders in the transportatio... as discussed by the authors.
References
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Journal ArticleDOI
The influence of molecular structure of fatty acid monoalkyl esters on diesel combustion
TL;DR: In this article, a series of experiments were conducted on a single-cylinder research engine investigating the influence of molecular structure on the combustion behavior of fatty acid alcohol ester (biodiesel) molecules under diesel engine conditions.
Proceedings ArticleDOI
Detailed Chemical Kinetic Modeling of Diesel Combustion with Oxygenated Fuels
Henry J. Curran,Elizabeth M. Fisher,Pierre-Alexandre Glaude,Nick M. Marinov,William J. Pitz,Charles K. Westbrook,David W. Layton,Patrick F. Flynn,Russ P Columbus Durrett,A. O. zur Loye,Omowoleola C. Columbus Akinyemi,Frederick L. Dryer +11 more
TL;DR: In this paper, the influence of oxygenated hydrocarbons as additives to diesel fuels on ignition, NOx emissions and soot production has been examined using a detailed chemical kinetic reaction mechanism.
Journal ArticleDOI
Comparison of the Impact of Intake Oxygen Enrichment and Fuel Oxygenation on Diesel Combustion and Emissions
TL;DR: In this article, the authors compared the relative effect of two oxygen addition methods on diesel emission and combustion: (1) oxygen enrichment of the intake air and oxygenation of the fuel, and (2) fuel oxygenation via linear structure oxygenated molecules.
Journal ArticleDOI
The biorenewables opportunity ‐ toward next generation process and product systems
Journal ArticleDOI
Effects of diesel fuel characteristics on spray and combustion in a diesel engine
TL;DR: In this article, the influence of the fuel properties on the spray and combustion characteristics in a high-pressure and temperature chamber was analyzed by using a high speed video camera and analyzed by their penetration and evaporation characteristics in comparison with current diesel fuel.