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Uncertainty in Combustion Reaction R...

Piehl, Joshua A.

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Uncertainty in Combustion Reaction Rates and Its Effects on Combustion Simulations.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Uncertainty in Combustion Reaction Rates and Its Effects on Combustion Simulations./
Author:	Piehl, Joshua A.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2018,
Description:	66 p.
Notes:	Source: Masters Abstracts International, Volume: 57-06.
Contained By:	Masters Abstracts International57-06(E).
Subject:	Mechanical engineering. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10822044
ISBN:	9780438030367

Uncertainty in Combustion Reaction Rates and Its Effects on Combustion Simulations.
Piehl, Joshua A.

Uncertainty in Combustion Reaction Rates and Its Effects on Combustion Simulations. - Ann Arbor : ProQuest Dissertations & Theses, 2018 - 66 p.

Source: Masters Abstracts International, Volume: 57-06.

Thesis (M.S.)--Wayne State University, 2018.

This work investigates the uncertainties in reaction rates of an n-dodecane model on turbulent spray combustion simulations. Six major reactions were found to significantly impact the ignition delay of the mechanism in a 0-D batch reactor model. These reactions' rates were independently modified and placed into individual mechanisms. These newly developed mechanisms were simulated in a 3-D turbulent spray simulation and a 0-D batch reactor at a pressure of 60 bar and temperatures from 900 to 1100 K. The combustion characteristics (e.g. ignition delays, flame lift-off length, liquid and vapor penetration) of the modified mechanisms were compared to those produced by the original mechanism. The impact of the reaction on the ignition delay timing was different between the 0-D and 3-D simulations, with an average difference of 30%. This indicates that kinetic mechanism validation through ignition delay timing alone is insufficient.

ISBN: 9780438030367Subjects--Topical Terms:

649730
Mechanical engineering.

Uncertainty in Combustion Reaction Rates and Its Effects on Combustion Simulations.
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245 1 0 $a Uncertainty in Combustion Reaction Rates and Its Effects on Combustion Simulations.
260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2018
300 $a 66 p.
500 $a Source: Masters Abstracts International, Volume: 57-06.
500 $a Adviser: Omid Samimi-Abianeh.
502 $a Thesis (M.S.)--Wayne State University, 2018.
520 $a This work investigates the uncertainties in reaction rates of an n-dodecane model on turbulent spray combustion simulations. Six major reactions were found to significantly impact the ignition delay of the mechanism in a 0-D batch reactor model. These reactions' rates were independently modified and placed into individual mechanisms. These newly developed mechanisms were simulated in a 3-D turbulent spray simulation and a 0-D batch reactor at a pressure of 60 bar and temperatures from 900 to 1100 K. The combustion characteristics (e.g. ignition delays, flame lift-off length, liquid and vapor penetration) of the modified mechanisms were compared to those produced by the original mechanism. The impact of the reaction on the ignition delay timing was different between the 0-D and 3-D simulations, with an average difference of 30%. This indicates that kinetic mechanism validation through ignition delay timing alone is insufficient.
590 $a School code: 0254.
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650 4 $a Chemistry. $3 516420
650 4 $a Computational chemistry. $3 3350019
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