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应用激光相位多普勒粒子分析仪 ,对液体火箭发动机气 /液同轴旋流式喷嘴进行了冷流模拟实验研究 ,获得具有工程应用价值的实验结果。进而分析了该型喷嘴的雾化机理和雾化特性 ,给出雾化粒径经验关系式。
The laser phase Doppler particle analyzer was used to simulate the cold flow of the gas / liquid coaxial swirler nozzle of liquid rocket engine, and the experimental results with engineering application value were obtained. Then the atomization mechanism and atomization characteristics of the nozzle are analyzed, and the empirical relationship of atomization particle size is given.