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ISSN: 1091-028X Print
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DOI: 10.1615/JPorMedia.v9.i5
Pages: 104
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DOI: 10.1615/JPorMedia.v9.i5.70
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Article price - $35.00 |
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Development of a Cylindrical Porous-Medium Burner
M. M. Kamal
Department of Mechanical Power Engineering, Ain Shams University, Cairo, Abdo Basha Street, 1, Egypt
Abdulmajeed Mohamad
University of Calgary
ABSTRACT
An experimental investigation was performed to address the performance of a radial flow porous burner, fabricated from a ceramic-fiber lamellar structure with circular corrugated layers being sleeved around a perforated tube. The burner lean operation with porous medium was extended to 0.74 in terms of equivalence ratio for a methane-air mixture and burning capacities 1.7 times those with a free flame. The results indicated locally elevated flame temperatures close to the burner's submerged holes and a superior radiation performance, substantiated by a radiation efficiency of 37%. NOx levels as low as 29 ppm were obtained with a maximum CO value around 4000 ppm. Swirl was imparted through a variable-speed motor to enhance turbulence and mutual heat transfer between the gas and solid phases. Only free flames responded to rotary radial flames with extension in flame stability.
pages 469-481
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