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A two-stage reduction for complex combustion chemistry
Descriptive
TypeOfResource
Text
TitleInfo
(ID = T-1)
Title
A two-stage reduction for complex combustion chemistry
Identifier
ETD_973
Identifier
(type = hdl)
http://hdl.rutgers.edu/1782.2/rucore10001600001.ETD.000051092
Language
LanguageTerm
(authority = ISO639-2);
(type = code)
eng
Genre
(authority = marcgt)
theses
Subject
(ID = SBJ-1);
(authority = RUETD)
Topic
Chemical and Biochemical Engineering
Subject
(ID = SBJ-1);
(authority = ETD-LCSH)
Topic
Combustion
Abstract
The combustion of hydrocarbon is a main energy resource for transportation. It is easy to start but very hard to understand and simulate. There have been several efforts to build detailed kinetic mechanisms from elementary reactions. Although they are highly accurate and well capture the complicated chemistry of combustion process, it is expensive to model with detailed mechanisms because their size is too large. Furthermore, it is not effective to apply detailed mechanism while there are only some of species and reactions involved in a typical condition. Therefore, a suitable reduced mechanism for such considered condition is a hot requirement. Recently, Petzold et al., and Androulakis suggested an automatic mechanism reduction based on the mathematical programming method. Following their approach, Banerjee et al. applied GA search to generate reduced mechanisms. The fruit of that work is a reduced mechanism library, which can govern combustion of air -- methane mixture with high accuracy. Nevertheless, the GA reduction method is hard to directly apply to the complex chemistry whose solution space is large. It, therefore, needs a first step of reduction, which can condense the search space of complex combustion mechanisms. Androulakis provided a method based on flux analysis to build a reduced mechanism with a suitable cut-off value of element flux accumulation. Although his method is flexible and very fast, the obtained mechanism can contain some species, which can be further eliminated. In this work, the two approaches mentioned above were combined to form a two-step reduction procedure on n-pentane and n-heptane mechanism. The flux analysis reduction was used first to obtain a skeleton reduced mechanism. Then the GA reduction considered the obtained mechanism as a detailed mechanism for parallel GA search. Nine conditions of n-pentane and nine conditions of n-heptane oxidation were investigated. Although the size of the final reduced mechanisms is much smaller than that of detailed mechanisms, they well estimate the oxidation process.
PhysicalDescription
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electronic resource
Extent
viii, 67 p. : ill.
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application/pdf
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text/xml
Note
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M.S.
Note
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Includes bibliographical references (p. 64-67)
Note
(type = statement of responsibility)
by Phong Tien Huynh
Name
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Huynh
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Phong Tien
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author
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Phong Tien Huynh
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NamePart
(type = family)
Pedersen
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Henrik
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chair
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Advisory Committee
DisplayForm
Henrik Pedersen
Name
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(type = personal)
NamePart
(type = family)
Androulakis
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Ioannis
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internal member
Affiliation
Advisory Committee
DisplayForm
Ioannis Androulakis
Name
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NamePart
(type = family)
Ierapetritou
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(type = given)
Marianthi
Role
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(authority = RULIB);
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internal member
Affiliation
Advisory Committee
DisplayForm
Marianthi Ierapetritou
Name
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(type = corporate)
NamePart
Rutgers University
Role
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(type = )
degree grantor
Name
(ID = NAME-2);
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NamePart
Graduate School - New Brunswick
Role
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(authority = RULIB);
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school
OriginInfo
DateCreated
(point = );
(qualifier = exact)
2008
DateOther
(qualifier = exact);
(type = degree)
2008-05
Place
PlaceTerm
(type = code)
xx
RelatedItem
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TitleInfo
Title
Rutgers University Electronic Theses and Dissertations
Identifier
(type = RULIB)
ETD
RelatedItem
(type = host)
TitleInfo
Title
Graduate School - New Brunswick Electronic Theses and Dissertations
Identifier
(type = local)
rucore19991600001
Location
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(displayLabel = Rutgers, The State University of New Jersey)
NjNbRU
Identifier
(type = doi)
doi:10.7282/T33X86V2
Genre
(authority = ExL-Esploro)
ETD graduate
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Rights
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(ID = rulibRdec0006)
The author owns the copyright to this work.
Copyright
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Copyright protected
Availability
Status
Open
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(ID = 1)
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Permission or license
Detail
Non-exclusive ETD license
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Author Agreement License
Detail
I hereby grant to the Rutgers University Libraries and to my school the non-exclusive right to archive, reproduce and distribute my thesis or dissertation, in whole or in part, and/or my abstract, in whole or in part, in and from an electronic format, subject to the release date subsequently stipulated in this submittal form and approved by my school. I represent and stipulate that the thesis or dissertation and its abstract are my original work, that they do not infringe or violate any rights of others, and that I make these grants as the sole owner of the rights to my thesis or dissertation and its abstract. I represent that I have obtained written permissions, when necessary, from the owner(s) of each third party copyrighted matter to be included in my thesis or dissertation and will supply copies of such upon request by my school. I acknowledge that RU ETD and my school will not distribute my thesis or dissertation or its abstract if, in their reasonable judgment, they believe all such rights have not been secured. I acknowledge that I retain ownership rights to the copyright of my work. I also retain the right to use all or part of this thesis or dissertation in future works, such as articles or books.
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ETD
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application/pdf
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application/x-tar
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2048000
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