燃气轮机模型燃烧室液体单组分燃料贫爆的差异研究

2019/12/05   下载量： 1 次

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应用领域 能源/新能源
检测样本 天然气/燃气
检测项目
参考标准 暂无

采用LaVision公司的SprayMaster喷雾米氏散射成像测量和Artium公司的相位多普勒粒子干涉仪PDI对燃气轮机模型燃烧室液体单组分燃料贫爆的差异进行了测量和研究。

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The influence of selected single-component hydrocarbons on lean blowout behaviour of swirl-stabilised spray flames was investigated. Additional information on the spray characteristics was collected by Phase Doppler Anemometry (PDA) and Mie scattering measurements. The measurements were accomplished in a gas turbine model combustor under atmospheric pressure and at two different air preheat temperatures. The combustor featured a dual-swirl geometry and a prefilming airblast atomiser. The combustion chamber provided good optical access and yielded well-defined boundary conditions. Three single-component hydrocarbons were chosen: one short and one long linear alkane (n-hexane and n-dodecane) and one branched alkane (iso-octane). Kerosene Jet A-1 was used as a technical reference. Results show noticeable differences in the lean blowout limits of the various fuels, at comparable flow conditions. By using the results of the measurements, of additional modelling and of an assessment of the fuel properties it was concluded that fuel differences in lean blowout in this combustor can be due to differences in the physical properties as well as in the chemical properties.

上一篇 在一个双稳湍流涡旋火焰中，对间歇性动态的时间-频率定位
下一篇 一种新型燃气轮机燃烧室双相喷射器的喷雾特性和速度分布特性研究

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北京欧兰科技发展有限公司
金牌会员 丨 第17年
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