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dc.contributor.authorCardona Vargas, Arley Johany
dc.contributor.authorArrieta Gonzáles, Carlos Ernesto
dc.contributor.authorYepes Tumay, Hernando Alexander
dc.contributor.authorEcheverri Uribe, Camilo
dc.contributor.authorAmell Arrieta, Andrés Adolfo
dc.coverage.spatialColombiaen_US
dc.date.accessioned2025-11-18T13:00:53Z
dc.date.available2025-11-18T13:00:53Z
dc.date.issued2021-07-23
dc.identifier.issn2461-4254en_US
dc.identifier.urihttps://repositorioinstitucional.ufpso.edu.co/xmlui/handle/20.500.14167/6061
dc.description.abstractLa demanda energética global potencia los beneficios ambientales y operativos del gas natural como alternativa energética, debido a su composición, principalmente metano (CH4), sus bajas emisiones contaminantes y sus ventajas en los sistemas de energía y combustión. En este trabajo, se determinó numérica y experimentalmente la velocidad de combustión laminar del metano a dos presiones: 0,85 atm y 0,98 atm, correspondientes a las ciudades de Medellín y Caucasia, respectivamente, ubicadas en Colombia. Las condiciones ambientales fueron 0,85 atm, 0,98 atm y 295 ± 1 K. Las simulaciones y mediciones experimentales se realizaron para diferentes relaciones de equivalencia. Las velocidades de combustión laminar experimentales se determinaron mediante el método del quemador y la técnica de quimioluminiscencia espontánea. Las llamas se generaron utilizando quemadores con orificios rectangulares contorneados para mantener los números de Reynolds laminares para las relaciones de equivalencia estudiadas y para reducir los efectos de estiramiento y curvatura en la dirección del eje del quemador. En general, la velocidad de combustión laminar concuerda bien con los resultados numéricos. Con los resultados obtenidos, se propone una correlación que relaciona la velocidad de combustión laminar con los efectos de la presión, en la forma SL = aPb, donde a y b son constantes del modelo. Se realizó un análisis de sensibilidad utilizando el mecanismo GRI-Mech 3.0, el cual mostró que la reacción más sensible fue H + O₂ = O + OH (R38). Adicionalmente, se encontró que las reacciones H + CH₃ (+M) = CH₄ (+M) (R52), 2CH₃ (+M) = C₂H₆ (+M) (R158) y O + CH₃ = H + CH₂O (R10) dominan el consumo de CH₃, un radical importante en la oxidación del metano. Este análisis se llevó a cabo para relaciones de equivalencia de 0,8 y 1,0, y presiones atmosféricas de 0,85 atm y 0,98 atm.en_US
dc.language.isoen_USen_US
dc.relationhttp://www.journal.eu-jr.eu/engineering/article/view/1775en_US
dc.titleDeterminación de la velocidad de combustión laminar de llamas de metano/aire en ambientes subatmosféricosen_US
dc.title.translatedDetermination of laminar burning velocity of methane/air flames in sub atmospheric environmentsen_US
dc.contributor.cvlacArley Johany Cardona Vargas [0001448294]en_US
dc.contributor.cvlacCarlos Ernesto Arrieta González [0001435094]en_US
dc.contributor.cvlacHernando Alexander Yepes Tumay [0001229087]en_US
dc.contributor.cvlacCamilo Echeverri Uribe [0001448286]en_US
dc.contributor.cvlacAndrés Adolfo Amell Arrieta [0000039829]en_US
dc.contributor.orcidArley Johany Cardona Vargas [0000-0002-3051-9335]en_US
dc.contributor.orcidCarlos Ernesto Arrieta González [0000-0003-0839-6102]en_US
dc.contributor.orcidHernando Alexander Yepes Tumay [0000-0001-9399-5673]en_US
dc.contributor.orcidCamilo Echeverri Uribe [0000-0002-9514-4976]en_US
dc.contributor.orcidAndrés Adolfo Amell Arrieta [0000-0001-5660-7336]en_US
dc.contributor.researchgateArley Johany Cardona Vargas [Arley-Cardona]en_US
dc.contributor.researchgateCarlos Ernesto Arrieta González [Carlos-Arrieta-2]en_US
dc.contributor.researchgateHernando Alexander Yepes Tumay [Hernando-Yepes]en_US
dc.contributor.researchgateCamilo Echeverri Uribe [Camilo-Echeverri-Uribe]en_US
dc.contributor.researchgateAndrés Adolfo Amell Arrieta [Andres-Amell]en_US
dc.contributor.researchgateCamilo Echeverri Uribe [Camilo-Echeverri-Uribe]en_US
dc.contributor.scopusCarlos Ernesto Arrieta González [57194285359]en_US
dc.contributor.scopusHernando Alexander Yepes Tumay [55675200900]en_US
dc.description.abstractenglishThe global energy demand enhances the environmental and operational benefits of natural gas as an energy alternative, due to its composition, mainly methane (CH4), it has low polluting emissions and benefits in energy and combustion systems. In the present work, the laminar burning velocity of methane was determined numerically and experimentally at two pressure conditions, 0.85 atm and 0.98 atm, corresponding to the city of Medellín and Caucasia, respectively, located in Colombia. The environmental conditions were 0.85 atm, 0.98 atm, and 295 ± 1 K. The simulations and experimental measurements were carried out for different equivalence relations. Experimental laminar burning velocities were determined using the burner method and spontaneous chemiluminescence technique, f lames were generated using burners with contoured rectangular ports to maintain laminar Reynolds numbers for the equivalence ratios under study and to reduce the effects of stretch and curvature in the direction of the burner’s axis. In general, the laminar burning velocity fits well with the numerical results. With the results obtained, a correlation is proposed that relates the lami-nar burning velocity with the effects of pressure, in the form SL = aPb, where a and b are model constants. Sensitivity analysis was performed using the GRI-Mech 3.0 mechanism which showed that the most sensitive reaction was H+O2 = O+OH (R38). Additio-nally, it was found that the reactions H+CH3 (+M) = CH4 (+M) (R52), 2CH3 (+M) = C2H6 (+M) (R158), and O+CH3 = H+CH2O (R10) dominate the consumption of CH3 which is an important radical in the oxidation of methane, this analysis is carried out for equiva-lence ratios of 0.8 and 1.0, and atmospheric pressures of 0.85 atm and 0.98 atmen_US
dc.subject.proposalVelocidad de combustión laminaren_US
dc.subject.proposalMetanoen_US
dc.subject.proposalCondiciones subatmosféricasen_US
dc.subject.proposalEfecto de la presiónen_US
dc.subject.keywordsLaminar burning velocityen_US
dc.subject.keywordsMethaneen_US
dc.subject.keywordsSub atmospheric conditionsen_US
dc.subject.keywordsPressure effecten_US
dc.publisher.facultyFacultad ingenieríasen_US
dc.type.redcolhttp://purl.org/redcol/resource_type/ARTen_US
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dc.identifier.DOIhttps://doi.org/10.21303/2461-4262.2021.001775en_US


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