Abstract
AbstractAn experimental study of the quantities of oxides of nitrogen produced in hydrocarbon gas jet flames in concentric and cross‐flow air streams is presented. It is seen that the structure of flames has a strong influence on the quantities of NO and NO2 generated in diffusion flames. Increases in jet velocity result in the increase of NO and NO2 emitted from flames in concentric air streams. However, air stream velocity has opposite effects on the yields of NO and NO2 from flames in cross‐flows. Additions of diluent to jet and air streams decrease NO and NO2 in both concentric and cross‐flow air streams. The implications of scaling these results to fullsize flare stack flames have been discussed.
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