Characteristics of Non-premixed Synthetic Natural Gas-Air Flame with Variation in Fuel Compositions

>> This article describes a comparison on laminar burning velocity measured by Bunsen and spherical flame methods of synthetic natural gas (SNG) with various composition of hydrogen. In this study, the laminar burning velocity measurements were employed by Bunsen burner and cylindrical constant combustor at which flame images were captured by Schlieren system. These results were also compared with numerical based on CHEMKIN package with GRI 3.0, USC-II and UC Sandiego mechanism. In case of spherical flames, the suitable flame radius range and theoretical models were verified using the well-known previous results in methane/air flames. As an experimental condition, hydrogen content of SNG was adjusted 0% to 11%. Equivalence ratios of Bunsen flames were adjusted from 0.8 to 1.6. On the other hand, those of spherical flames were adjusted from 0.6 to 1.4, relatively. From results of this study, the both laminar burning velocities measured in Bunsen and spherical flame methods were resulted in similar tendency. As the hydrogen content increased, the laminar burning velocity also increased collectively. Laminar burning velocity of measured SNG-air flames was best coincided with GRI 3.0 mechanism by comparison of reaction mechanisms.

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Characteristics of Non-premixed Synthetic Natural Gas-Air Flame with Variation in Fuel Compositions

Cited by 2 publications

References 12 publications

The effect of fuel composition on the characteristics of a non-premixed synthetic natural gas-air flame

The effect of fuel composition on the characteristics of a non-premixed synthetic natural gas-air flame

Laminar Burning Velocity Measurement of SNG/Air Flames - A Comparison of Bunsen and Spherical Flame Method -

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