A counter-flow annular heat recirculating burner was designed for lean prevaporized, premixed combustion. Prior to entering the combustor, the reactants are passed through a porous media-filled preheating annulus surrounding the combustor. Kerosene is dripped by gravity onto the porous media and vaporized by the heat conducted through the combustor wall. Experiments were conducted to evaluate heat transfer and combustion performance at various equivalence ratios, heat release rates, and inlet air temperatures. Results show low CO emissions over a range of equivalence ratios. NOx emissions were high at high heat release rates, indicating inadequate prevaporization and premixing of fuel with air. Heat recirculation and heat loss characteristics are presented at various operating conditions.
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October 2007
Technical Papers
Liquid Fuel Combustion Using Heat Recirculation Through Annular Porous Media
E. Ryan Newburn,
E. Ryan Newburn
School of Aerospace and Mechanical Engineering,
University of Oklahoma
, Norman, OK 73019
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Ajay K. Agrawal
Ajay K. Agrawal
Fellow ASME
Department of Mechanical Engineering,
University of Alabama
, Tuscaloosa, AL 35487
Search for other works by this author on:
E. Ryan Newburn
School of Aerospace and Mechanical Engineering,
University of Oklahoma
, Norman, OK 73019
Ajay K. Agrawal
Fellow ASME
Department of Mechanical Engineering,
University of Alabama
, Tuscaloosa, AL 35487J. Eng. Gas Turbines Power. Oct 2007, 129(4): 914-919 (6 pages)
Published Online: January 21, 2007
Article history
Received:
October 26, 2005
Revised:
January 21, 2007
Citation
Newburn, E. R., and Agrawal, A. K. (January 21, 2007). "Liquid Fuel Combustion Using Heat Recirculation Through Annular Porous Media." ASME. J. Eng. Gas Turbines Power. October 2007; 129(4): 914–919. https://doi.org/10.1115/1.2719259
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