Biofuels, such as canola methyl ester (CME) and soy-methyl ester (SME) derived from vegetable oil, are alternative sources of energy that have been developed to reduce the dependence on petroleum-based fuels. In the present study, CME, SME, and commercial Jet-A fuel were tested in a porous-media burner at an equivalence ratio of 0.8 at the burner entrance. The measured combustion characteristics included NOx and CO emission indices, radiative fraction of heat release, and axial temperature profile in the surface stabilized and extended flame. The effects of fuel on the injector and porous-media durability were also documented. The NOx emission index was higher for the SME and CME flames than that of the Jet-A flame. Furthermore, the axial temperature profiles were similar for all the flames. The prolonged use of CME and SME resulted in more solid-particle deposition on the interior walls of the injector and within the structure of the porous medium than for Jet-A fuel, thereby increasing the restriction to the fuel/air flow and pressure drop across the burner.
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June 2012
Research Papers
Combustion Characteristics of Biofuels in Porous-Media Burners at an Equivalence Ratio of 0.8
Pablo E. Barajas,
Pablo E. Barajas
School of Aerospace and Mechanical Engineering, University of Oklahoma
, Norman, OK 73019
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R. N. Parthasarathy,
R. N. Parthasarathy
School of Aerospace and Mechanical Engineering, University of Oklahoma
, Norman, OK 73019
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S. R. Gollahalli
e-mail: gollahal@ou.edu
S. R. Gollahalli
School of Aerospace and Mechanical Engineering, University of Oklahoma
, Norman, OK 73019
Search for other works by this author on:
Pablo E. Barajas
School of Aerospace and Mechanical Engineering, University of Oklahoma
, Norman, OK 73019
R. N. Parthasarathy
School of Aerospace and Mechanical Engineering, University of Oklahoma
, Norman, OK 73019
S. R. Gollahalli
School of Aerospace and Mechanical Engineering, University of Oklahoma
, Norman, OK 73019e-mail: gollahal@ou.edu
J. Energy Resour. Technol. Jun 2012, 134(2): 021004 (5 pages)
Published Online: April 4, 2012
Article history
Received:
July 8, 2011
Revised:
January 19, 2012
Published:
April 2, 2012
Online:
April 4, 2012
Citation
Barajas, P. E., Parthasarathy, R. N., and Gollahalli, S. R. (April 4, 2012). "Combustion Characteristics of Biofuels in Porous-Media Burners at an Equivalence Ratio of 0.8." ASME. J. Energy Resour. Technol. June 2012; 134(2): 021004. https://doi.org/10.1115/1.4006046
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