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DYNA
versão impressa ISSN 0012-7353
Resumo
URIBE-SALAZAR, Edwin Yair; HERRERA-MUNERA, Bernardo Argemiro e BEDOYA-CARO, Iván Darío. Theoretical, numerical and experimental study of interchangeability of natural gas in Antioquia. Dyna rev.fac.nac.minas [online]. 2019, vol.86, n.208, pp.346-354. ISSN 0012-7353. https://doi.org/10.15446/dyna.v86n208.75116.
The operating limits of interchangeability with natural gas coming from different sources were determined without affecting the combustion efficiency in equipments already installed. Mixtures of natural gas received in Antioquia (Colombia) between 2011-2015 were studied. High heating value of the mixtures were obtained by descriptive statistic. Interchangeability-related properties were calculated using the GRIMECH 3.0 mechanism. Laminar burning velocity was calculated by numerical simulation and measured using the Schlieren technique. Indexes of interchangeability were validated experimentally and it was found that the interchangeability does not exceed 5.5% compared to the base gas. Therefore, it can be concluded that it is not necessary to adjust the designs of the thermal devices when the mixtures are used.
Palavras-chave : Interchangeability; natural gas; Wobbe index; Schlieren; combustion efficiency.