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Effect of Fuel Composition on Partic...

Smallwood, Bryden Alexander.

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Effect of Fuel Composition on Particulate Matter Emissions from a Gasoline Direct Injection Engine.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Effect of Fuel Composition on Particulate Matter Emissions from a Gasoline Direct Injection Engine./
Author:	Smallwood, Bryden Alexander.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2017,
Description:	165 p.
Notes:	Source: Masters Abstracts International, Volume: 57-02.
Contained By:	Masters Abstracts International57-02(E).
Subject:	Engineering. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10636747
ISBN:	9780355453027

Effect of Fuel Composition on Particulate Matter Emissions from a Gasoline Direct Injection Engine.
Smallwood, Bryden Alexander.

Effect of Fuel Composition on Particulate Matter Emissions from a Gasoline Direct Injection Engine. - Ann Arbor : ProQuest Dissertations & Theses, 2017 - 165 p.

Source: Masters Abstracts International, Volume: 57-02.

Thesis (M.A.S.)--University of Toronto (Canada), 2017.

The effects of fuel composition on reducing PM emissions were investigated using a Ford Focus wall-guided gasoline direct injection engine (GDI). Initial results with a 65% isooctane and 35% toluene blend showed significant reductions in PM emissions. Further experiments determined that this decrease was due to a lack of light-end components in that fuel blend. Tests with pentane content lower than 15% were found to have PN concentrations 96% lower than tests with 20% pentane content. This indicates that there is a shift in mode of soot production. Pentane significantly increases the vapour pressure of the fuel blend, potentially resulting in surface boiling, less homogeneous mixtures, or decreased fuel rebound from the piston. PM mass measurements and PN Index values both showed strong correlations with the PN concentration emissions. In the gaseous exhaust, THC, pentane, and 1,3 butadiene showed strong correlations with the PM emissions.

ISBN: 9780355453027Subjects--Topical Terms:

586835
Engineering.

Effect of Fuel Composition on Particulate Matter Emissions from a Gasoline Direct Injection Engine.
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500 $a Adviser: James S. Wallace.
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520 $a The effects of fuel composition on reducing PM emissions were investigated using a Ford Focus wall-guided gasoline direct injection engine (GDI). Initial results with a 65% isooctane and 35% toluene blend showed significant reductions in PM emissions. Further experiments determined that this decrease was due to a lack of light-end components in that fuel blend. Tests with pentane content lower than 15% were found to have PN concentrations 96% lower than tests with 20% pentane content. This indicates that there is a shift in mode of soot production. Pentane significantly increases the vapour pressure of the fuel blend, potentially resulting in surface boiling, less homogeneous mixtures, or decreased fuel rebound from the piston. PM mass measurements and PN Index values both showed strong correlations with the PN concentration emissions. In the gaseous exhaust, THC, pentane, and 1,3 butadiene showed strong correlations with the PM emissions.
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