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Experimental investigation of dynamic and emission characteristics of a DLE gas turbine combustor

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Abstract

The DLE (dry low emission) technology has already been used on industrial gas turbine combustor and the NOX emission can be limited to 25 ppmv (@15% O2), but one of the destructive effects is combustion instability. In this paper, the dynamic and emission characteristics of a DLE gas turbine combustor have been researched in the authors’ laboratory, and the results show that the key source of combustion instability is the non-uniformity of fuel in the flame zone. Two main fuel supply methods have been used to form different fuel distribution types; it is shown that in the perfectly premixed case the emission level is low and combustion process is stable. The PPF also has an obvious effect on the combustor’s emission and dynamic characteristics.

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Authors and Affiliations

  1. Institute of Engineering Thermophysics, Chinese Academy of Sciences, P.O. Box 2706, Beijing, 100190, China

    Shuangxi Xing, Aibing Fang, Quanbin Song, Yufeng Cui, Yanji Xu & Chaoqun Nie

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  1. Shuangxi Xing
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  2. Aibing Fang
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  3. Quanbin Song
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  4. Yufeng Cui
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  5. Yanji Xu
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  6. Chaoqun Nie
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Additional information

This work was supported by the National Natural Science Foundation of China (No. 50976116 and No. 50806077).

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Xing, S., Fang, A., Song, Q. et al. Experimental investigation of dynamic and emission characteristics of a DLE gas turbine combustor. J. Therm. Sci. 22, 180–185 (2013). https://doi.org/10.1007/s11630-013-0610-5

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  • DOI: https://doi.org/10.1007/s11630-013-0610-5

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