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@PHDTHESIS{Parab:712123,
author = {Parab, Prajakta Rajaram},
othercontributors = {Heufer, Karl Alexander and Fernandes, Ravi Xavier Filipe},
title = {{C}omputational {C}hemical {K}inetics of {B}iofuel
{C}ombustion {U}sing {A}b-{I}nitio {M}ethods and
{S}tatistical {R}ate {T}heories},
school = {RWTH Aachen University},
type = {Dissertation},
address = {Aachen},
publisher = {Shaker},
reportid = {RWTH-2018-00260},
isbn = {978-3-8440-5708-9},
series = {Berichte aus der Chemie},
pages = {1 Online-Ressource (155 Seiten) : Illustrationen,
Diagramme},
year = {2018},
note = {Druckausgabe: 2018. - Auch veröffentlicht auf dem
Publikationsserver der RWTH Aachen University; Dissertation,
RWTH Aachen University, 2017},
abstract = {The main focus of this thesis was on the detailed
theoretical understanding of important reactions taking
place during the combustion of fuel. Ab initio quantum
calculations were performed to understand reactions kinetics
of important reactions taking place during combustion.
Emphasis has been also put on computing thermodynamic
properties of intermediate species formed during fuel
combustion. The biofuel candidates considered herein are the
ones which are of interest at the cluster of excellence
“Tailor Made Fuels from Biomass” at the RWTH Aachen
University, Germany. Among alcohols, isopentanol was
considered for computing high pressure limit rate constants
for the H-atom abstraction reactions from isopentanol by H
atom and HȮ2 radicals. Furthermore, from cyclic oxygenated
species 2-and 3-MTHF were of highlight. For these fuels,
rate constants were determined for the isomerization
reactions (alkylperoxy radical to hydroperoxyalkyl radical).
Detail analysis showed that the strength of the C-H bonds,
position of the abstracted hydrogen (cis or trans) and the
ring size of the transition states affected the reaction
kinetics for these isomerization reactions. Lastly, from the
ketone family, 2-Butanone and acetone were considered. For
2-BT, high pressure limit rate constants were determined for
the H atom abstraction reactions from 2-butanone by
methylperoxy (CH3OȮ) radical. Also due to high interest in
ketonic fuels, the smallest member of the ketone family;
acetone was chosen to get insight into its elementary
reactions occurring during combustion. The reaction kinetics
of O2 addition to the acetonyl radical, isomerization of
acetonylperoxy radical to the corresponding QOOH species and
also β-scission reaction in the acetonyl radical were
investigated. Overall, the results obtained from these
computations are beneficial for the fundamental
understandings and also for the development of detail
kinetic models.},
cin = {415530},
ddc = {620},
cid = {$I:(DE-82)415530_20140620$},
typ = {PUB:(DE-HGF)11 / PUB:(DE-HGF)3},
doi = {10.18154/RWTH-2018-00260},
url = {https://publications.rwth-aachen.de/record/712123},
}