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Combustion Science and Technology Volume 181, 2009 - Issue 2
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Original Articles

Fuel Additive Effects on Soot across a Suite of Laboratory Devices, Part 1: Ethanol

T. Litzinger Department of Mechanical and Nuclear Engineering, Penn State University, University Park, Pennsylvania, USACorrespondence[email protected]
,
M. Colket United Technologies Research Center, East Hartford, Connecticut, USA
,
M. Kahandawala Department of Mechanical Engineering, University of Dayton, Dayton, Ohio, USA
,
V. Katta Innovative Scientific Solutions, Inc., Dayton, Ohio, USA
,
S.-Y. Lee Department of Mechanical and Nuclear Engineering, Penn State University, University Park, Pennsylvania, USA
,
D. Liscinsky United Technologies Research Center, East Hartford, Connecticut, USA
,
K. McNesby Army Research Laboratory, Aberdeen, Maryland, USA
,
R. Pawlik Air Force Research Lab, Wright-Patterson Air Force Base, Ohio, USA
,
M. Roquemore Air Force Research Lab, Wright-Patterson Air Force Base, Ohio, USA
,
R. Santoro Department of Mechanical and Nuclear Engineering, Penn State University, University Park, Pennsylvania, USA
,
S. Sidhu Department of Mechanical Engineering, University of Dayton, Dayton, Ohio, USA
,
S. Stouffer University of Dayton Research Institute, Dayton, Ohio, USA
&
J. Wu Department of Mechanical and Nuclear Engineering, Penn State University, University Park, Pennsylvania, USA
 show all
Pages 310-328 | Received 12 Nov 2007, Accepted 27 Aug 2008, Published online: 19 Feb 2009
 
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Abstract

The impact of a variety of non-metallic fuel additives on soot was investigated in a collaborative university, industry and government effort. The main objective of this program was to obtain fundamental understanding of the mechanisms through which blending compounds into a fuel affects soot emissions. The research team used a suite of laboratory devices that included a shock tube, a well-stirred reactor, a premixed flat flame, an opposed-jet diffusion flame, and a high pressure turbulent reactor. The work reported here focuses on the effects of ethanol addition to ethylene on soot. The addition of ethanol led to substantial reductions in soot in all of the devices except for the opposed-jet diffusion flame. Modeling of the premixed flame and opposed-jet diffusion flame was used to obtain insights into the mechanism behind the opposing effects of ethanol addition in these two flames.

Keywords:

The authors acknowledge the financial support for this work provided by the Strategic Environmental Research and Development Program (SERDP), Project PP1179, under the direction of Dr. Charles Pellerin.

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