MILD oxy-combustion of gaseous fuels in a laboratory-scale furnace

Pengfei Li; Bassam B. Dally; Jianchun Mi; Feifei Wang

doi:10.1016/j.combustflame.2013.01.024

MILD oxy-combustion of gaseous fuels in a laboratory-scale furnace

Pengfei Li, Bassam B. Dally, Jianchun Mi, Feifei Wang

Research output: Contribution to journal › Article › peer-review

211 Scopus citations

Abstract

The present study investigates the characteristics of Moderate or Intense Low-oxygen Dilution (MILD) oxy-combustion in a laboratory-scale furnace. Experiments using natural gas (NG), liquefied petroleum gas (LPG) and ethylene (C2H4) are carried out at a firing rate of 13kW. The furnace temperatures and exhaust emissions are measured for a range of equivalence ratios and external-CO2 dilution rates.It is observed that MILD combustions occur for the three fuels even when using pure oxygen as oxidant. When diluting oxidant by CO2 at a fixed rate, the MILD combustion can be established as long as the equivalence ratio (Φ) is sufficiently high. The region of MILD combustion is found to be wider with dilution by CO2 than by N2. Notably, also, the operating range of MILD combustion is larger for NG than LPG or C2H4 as fuel.Moreover, when Φ

Original language	English (US)
Pages (from-to)	933-946
Number of pages	14
Journal	Combustion and Flame
Volume	160
Issue number	5
DOIs	https://doi.org/10.1016/j.combustflame.2013.01.024
State	Published - May 1 2013
Externally published	Yes

ASJC Scopus subject areas

Energy Engineering and Power Technology
General Physics and Astronomy
General Chemical Engineering
General Chemistry
Fuel Technology

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10.1016/j.combustflame.2013.01.024

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abstract = "The present study investigates the characteristics of Moderate or Intense Low-oxygen Dilution (MILD) oxy-combustion in a laboratory-scale furnace. Experiments using natural gas (NG), liquefied petroleum gas (LPG) and ethylene (C2H4) are carried out at a firing rate of 13kW. The furnace temperatures and exhaust emissions are measured for a range of equivalence ratios and external-CO2 dilution rates.It is observed that MILD combustions occur for the three fuels even when using pure oxygen as oxidant. When diluting oxidant by CO2 at a fixed rate, the MILD combustion can be established as long as the equivalence ratio (Φ) is sufficiently high. The region of MILD combustion is found to be wider with dilution by CO2 than by N2. Notably, also, the operating range of MILD combustion is larger for NG than LPG or C2H4 as fuel.Moreover, when Φ",

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AU - Dally, Bassam B.

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MILD oxy-combustion of gaseous fuels in a laboratory-scale furnace

Abstract

ASJC Scopus subject areas

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