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Spray Measurements at Elevated Pressures and Temperatures Using Phase Doppler Anemometry

机译：使用相位多普勒式风皮测量仪的升高压力和温度下喷雾测量

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Spray measurements for alternative aviation fuels with Phase Doppler Anemometry (duel-PDPA) are presented. The major objective of this work is to perform measurements of spray characteristics such as droplet size, velocities, and spray cone angles for candidate jet fuels for operating conditions corresponding to lean blowout (LBO). A hybrid air-blast fuel injector is used in measurements and the spray cone angles are investigated using high speed imaging. Three fuels selected by the NJFCP program on the basis of chemistry (A-2, C-1, and C-5) are selected for the measurements and spray characteristics are investigated. The droplet sizes and velocities measured at LBO conditions are presented and compared. The effects of the fuel flow rate and the pressure drop across the injector swirler assembly on the spray characteristics are discussed.
机译：提出了具有相位多普勒风光测量（DUEL-PDPA）的替代航空燃料的喷雾测量。这项工作的主要目的是对候选射流燃料进行液滴尺寸，速度和喷雾锥角进行喷射特性的测量，用于对应于贫井口（LBO）的操作条件。在测量中使用混合风吹燃料喷射器，并使用高速成像研究喷雾锥角。由NJFCP程序选择基于化学（A-2，C-1和C-5）选择的三种燃料进行测量，并研究喷雾特性。提出并比较了在LBO条件下测量的液滴尺寸和速度。讨论了燃料流速和压力下降对喷射器旋流器组件对喷射特性的影响。

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