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首页> 外文期刊>Journal of Aerospace Sciences and Technologies >EFFECT OF DIFFUSER GEOMETRY ON THE PERFORMANCE OF AN ANNULAR AERO GAS TURBINE COMBUSTOR
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EFFECT OF DIFFUSER GEOMETRY ON THE PERFORMANCE OF AN ANNULAR AERO GAS TURBINE COMBUSTOR

机译：扩散器几何形状对环形航空燃气轮机燃烧器性能的影响

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摘要

Combustor is an important component of a gas turbine engine and its performance governs the overall performance of the engine. This paper describes the effect of diffuser geometry on the performance parameters of short annular combustors. Full-scale combustors having similar liner configurations but different diffuser geometry were tested in the combustor test facility for this investigation. The combustor aerothermal characteristics such as light-up behavior, exit temperature pattern factors and combustion efficiency are found to be independent of diffuser geometry. But the major aerodynamic parameters such as diffuser pressure loss, static pressure recoveries etc are significantly affected by the diffuser geometry.
机译：燃烧器是燃气涡轮发动机的重要组成部分，其性能支配着发动机的整体性能。本文描述了扩压器几何形状对短环形燃烧器性能参数的影响。在此研究中，在燃烧器测试设备中测试了具有相似衬里配置但扩散器几何形状不同的大型燃烧器。发现燃烧器的空气热特性，例如点亮行为，出口温度模式因子和燃烧效率与扩散器的几何形状无关。但是主要的空气动力学参数，例如扩散器的压力损失，静压恢复等，都受到扩散器几何形状的显着影响。

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