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Combustion of a hydrogen/carbon monoxide/carbon dioxide mixture in hot and diluted streams

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Cardona-Vargas A.
Valencia D.
Arrieta C.E.
Amell A.
TY - GEN T1 - Combustion of a hydrogen/carbon monoxide/carbon dioxide mixture in hot and diluted streams AU - Cardona-Vargas A. AU - Valencia D. AU - Arrieta C.E. AU - Amell A. UR - http://hdl.handle.net/11407/5929 PB - IOP Publishing Ltd AB - This work presents an experimental investigation on the combustion behavior of a mixture of hydrogen, carbon monoxide and carbon dioxide in hot and diluted streams, like those obtain under flameless combustion regimes. A jet in a hot coflow burner was used to carry out the experiments. This burner consists of a central fuel jet surrounded by a combustion products stream, which comes from a premixed flame under lean conditions. In this way, it is possible to obtain high temperature and low oxygen concentration in the jet flame. Here, a mixture of 40% H2, 40% CO and 20% CO was issued through the jet nozzle. This composition corresponds to a renewable fuel known as syngas. Three oxygen composition in the oxidant stream were evaluated: 2.0%, 4.7% and 6.9%. Temperature and species concentration values were measured along axial and radial lines under a fix Reynolds's number. The results suggest that when oxygen concentration increases, CO and NO emissions of the total process decreases. © 2020 Published under licence by IOP Publishing Ltd. ER - @misc{11407_5929, author = {Cardona-Vargas A. and Valencia D. and Arrieta C.E. and Amell A.}, title = {Combustion of a hydrogen/carbon monoxide/carbon dioxide mixture in hot and diluted streams}, year = {}, abstract = {This work presents an experimental investigation on the combustion behavior of a mixture of hydrogen, carbon monoxide and carbon dioxide in hot and diluted streams, like those obtain under flameless combustion regimes. A jet in a hot coflow burner was used to carry out the experiments. This burner consists of a central fuel jet surrounded by a combustion products stream, which comes from a premixed flame under lean conditions. In this way, it is possible to obtain high temperature and low oxygen concentration in the jet flame. Here, a mixture of 40% H2, 40% CO and 20% CO was issued through the jet nozzle. This composition corresponds to a renewable fuel known as syngas. Three oxygen composition in the oxidant stream were evaluated: 2.0%, 4.7% and 6.9%. Temperature and species concentration values were measured along axial and radial lines under a fix Reynolds's number. The results suggest that when oxygen concentration increases, CO and NO emissions of the total process decreases. © 2020 Published under licence by IOP Publishing Ltd.}, url = {http://hdl.handle.net/11407/5929} }RT Generic T1 Combustion of a hydrogen/carbon monoxide/carbon dioxide mixture in hot and diluted streams A1 Cardona-Vargas A. A1 Valencia D. A1 Arrieta C.E. A1 Amell A. LK http://hdl.handle.net/11407/5929 PB IOP Publishing Ltd AB This work presents an experimental investigation on the combustion behavior of a mixture of hydrogen, carbon monoxide and carbon dioxide in hot and diluted streams, like those obtain under flameless combustion regimes. A jet in a hot coflow burner was used to carry out the experiments. This burner consists of a central fuel jet surrounded by a combustion products stream, which comes from a premixed flame under lean conditions. In this way, it is possible to obtain high temperature and low oxygen concentration in the jet flame. Here, a mixture of 40% H2, 40% CO and 20% CO was issued through the jet nozzle. This composition corresponds to a renewable fuel known as syngas. Three oxygen composition in the oxidant stream were evaluated: 2.0%, 4.7% and 6.9%. Temperature and species concentration values were measured along axial and radial lines under a fix Reynolds's number. The results suggest that when oxygen concentration increases, CO and NO emissions of the total process decreases. © 2020 Published under licence by IOP Publishing Ltd. OL Spanish (121)
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Abstract
This work presents an experimental investigation on the combustion behavior of a mixture of hydrogen, carbon monoxide and carbon dioxide in hot and diluted streams, like those obtain under flameless combustion regimes. A jet in a hot coflow burner was used to carry out the experiments. This burner consists of a central fuel jet surrounded by a combustion products stream, which comes from a premixed flame under lean conditions. In this way, it is possible to obtain high temperature and low oxygen concentration in the jet flame. Here, a mixture of 40% H2, 40% CO and 20% CO was issued through the jet nozzle. This composition corresponds to a renewable fuel known as syngas. Three oxygen composition in the oxidant stream were evaluated: 2.0%, 4.7% and 6.9%. Temperature and species concentration values were measured along axial and radial lines under a fix Reynolds's number. The results suggest that when oxygen concentration increases, CO and NO emissions of the total process decreases. © 2020 Published under licence by IOP Publishing Ltd.
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http://hdl.handle.net/11407/5929
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