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Numerical investigation of fuel temperature effects on the cavitation within a single-hole diesel nozzle

机译：单孔柴油喷嘴内燃料温度效应的数值研究

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Based on Homogeneous Equilibrium Model combined with full cavitation model, the cavitation flow inside a single-hole diesel nozzle is simulated. In order to analyse the effect of the fuel temperature increase on the characteristics of the internal cavitating flow, the inception and development of cavitation inside the diesel nozzle were analysed separately. Furthermore, the effect on the outlet velocity was also discussed. The computational results show that the temperature rising had significant effects on the cavitation flow inside a diesel nozzle. With the rising of fuel temperature, the cavitation phenomenon inside the nozzle appeared earlier, the transition to supercavitation was accelerated and the outlet velocity increased.
机译：基于均匀平衡模型结合全空化模型，模拟了单孔柴油喷嘴内的空化流动。为了分析燃料温度升高对内部空化流动的特性的影响，分别分别分别分别分析柴油喷嘴内空化的初始和开发。此外，还讨论了对出口速度的影响。计算结果表明，温度上升对柴油喷嘴内的空化流有显着影响。随着燃料温度的升高，喷嘴内的空化现象之前出现，加速到超级渗流的过渡，并且出口速度增加。

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