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首页> 外文会议>Asia-Pacific Conference on Combustion >A Comparative Study of a Novel Multi-swirl Lean Direct Injection and Conventional Single Swirl Gas Turbine Burner for Reduced Emissions and Combustion Instability
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A Comparative Study of a Novel Multi-swirl Lean Direct Injection and Conventional Single Swirl Gas Turbine Burner for Reduced Emissions and Combustion Instability

机译：一种新型多旋瘦直喷和传统单旋流式燃气轮机燃烧器的比较研究，降低排放和燃烧不稳定

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摘要

A gas turbine combustor design must take into consideration performance parameters like combustion efficiency, pressure drop across the combustor, stability limits, exit temperature distribution, emissions, combustion instability, etc. for a good design. This paper discusses the comparison of a novel multi-swirl burner* employing lean direct injection (LDI) with a conventional premixed single swirl gas turbine engine burner in terms of the various performance parameters. Pressure drop is highly reduced and the stability limits are enhanced using the novel multi-swirl LDI burner developed. The LDI burner achieves a uniform mixing of fuel and air, eliminating hot spots in combustion; leading to reduced overall emissions. Results also show that the LDI burner is less susceptible to combustion instability. These advantages of the multi-swirl LDI burner make it a potential contender to be employed in the combustor of gas turbine engines.
机译：燃气轮机燃烧器设计必须考虑燃烧效率，燃烧器的压降，稳定性限制，出口温度分布，排放，燃烧不稳定等。本文在各种性能参数方面讨论了采用综合预混单旋燃气涡轮发动机燃烧器的新型多旋转器*采用瘦直喷器（LDI）的比较。压力降低高度降低，使用新型多旋流LDI燃烧器增强了稳定性限制。 LDI燃烧器达到均匀混合燃料和空气，消除燃烧中的热点;导致整体排放减少。结果还表明，LDI燃烧器易于燃烧不稳定的影响。多旋流LDI燃烧器的这些优点使其成为燃气涡轮发动机的燃烧器中采用的潜在竞争者。

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