WP6航空发动机改柴油适应性数值研究

采用数值计算方法,利用概率密度函数(PDF)燃烧模型对WP6航空发动机由煤油改柴油的适应性进行了研究。分别得到使用航空煤油(RP-3)和0号柴油燃烧室的流场、温度场、总压力损失、出口温度分布、污染物和燃油蒸发过程等燃烧特性。研究结果表明:当航空煤油改为0号柴油,燃烧效率降低约3.6%和CO排放量在最大工况下增大约7.5倍;出口温度分布和总压损失差异分别在1%、2%之内。以上结果为WP6航空发动机改地面柴油型燃气轮机设计提供重要的技术支持。

Numerical study on fuel adaptability ofdiesel oil for WP6 aeroengine

: By means of numerical calculation, the adaptability of diesel oil for WP6 aeroengine was studied by using the probability density function (PDF) combustion model. The flow field, temperature field, total pressure loss, outlet temperature distribution, pollutant and fuel evaporation process of combustor are obtained with aviation kerosene(RP-3)and #0 diesel oil.The results indicate that when the aviation kerosene is changed to 0 diesel oil, the combustion efficiency is reduced by about 3.6%, and the CO emissions increase by about 7.5 times under the maximum operating condition. The difference of the temperature distribution and total pressure loss of the outlet are 1% and 2% respectively. The above results provide the important technical support for the design of the WP6 aeroderivative gas turbine with diesel oil.