Nox And No2 Emission Of Swirl-Stabilized Nonpremixed Flames Of A H-2-Ch4 Mixture

    Authors

    R. H. Chen

    Comments

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    Abbreviated Journal Title

    Combust. Sci. Technol.

    Keywords

    nitrogen oxides; swirl; nonpremixed flame; NITRIC-OXIDE FORMATION; DIFFUSION FLAMES; Thermodynamics; Energy & Fuels; Engineering, Multidisciplinary; Engineering, Chemical

    Abstract

    NOx emission levels and the NO2/NOx ratios were studied in swirl-stabilized H-2-CH4 flames and comparison was made with H-2 flames under similar conditions (i.e. system parameters such as Reynolds and swirl numbers, and the recirculation zone residence time). Changing the fuel composition from 100% H-2 to 50% H-2-CH4 was found to have moderate effects on the NOx emission level. The NO2/NOx ratios with CH4 substitution can be significantly higher than pure H-1 flames (about 80-95% for H-2-CH4 flames, compared to 35-50% for H-2 flames), partly explaining its high values in practical gas turbine combustors.

    Journal Title

    Combustion Science and Technology

    Volume

    120

    Issue/Number

    1-6

    Publication Date

    1-1-1996

    Document Type

    Article

    Language

    English

    First Page

    321

    Last Page

    333

    WOS Identifier

    WOS:A1996WP80100014

    ISSN

    0010-2202

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