Influencia del alto contenido de etano en la ignición del gas natural

Influence of high ethane content on natural gas ignition

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Hernando Alexander Yepes-Tumay
Arley Cardona-Vargas

En el presente artículo se estudió el efecto del etano sobre la combustión y la autoignición del gas natural. Se evaluaron dos mezclas con alto contenido de etano, 75%CH4 - 25%C2H6 (mezcla 1) y 50%CH4 - 50%C2H6 (mezcla 2). La incidencia en la ombustión del gas natural fue analizada mediante el cálculo de las propiedades energéticas del combustible y los cálculos numéricos del tiempo de retraso a la ignición junto con el análisis del modo de ignición. Especificamente el límite de ignición fuerte fue calculado para determinar  el efecto del etano en la autoignición del gas natural. De acuerdo con los resultados encontrados, el tiempo de retraso a la ignición disminuye para ambas mezclas estudiadas en comparación  del metano puro. El límite de ignición fuerte se mueve hacia temperaturas menores cuando hay etano en la composición química del gas natural.

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