The aerodynamic noise problem of aeroengine and underwater vehicle has gradually become a hot research topic.The prediction of turbine aerodynamic noise is the key to the research of turbine aerodynamic noise.The hybrid methods for the computational aeroacoustics are most widely used.The studies on computational aeroacoustics and on the theory of turbine aerodynamic noise prediction are made in this paper.The hybrid methods for the computational aeroacoustics are applied in predicting the aerodynamic noise of a certain turbine.The consistency of the simulation results of the aerodynamic noise and the experimental measurement results shows that it is feasible for applying the hybrid methods for the computational aeroacoustics to predict the turbine aerodynamic noise.%航空发动机和水下航行器中涡轮的气动噪声问题逐渐成为研究的热点,涡轮气动噪声的预测是研究涡轮气动噪声的关键,计算气动声学混合方法是现在应用最广泛的噪声预测方法.本文对计算气动声学研究方法和涡轮气动噪声预测理论基础进行研究,应用计算气动声学混合方法对某型涡轮的气动噪声进行预测.气动噪声仿真结果与实验测量结果的一致性说明了本文应用的计算气动声学混合方法预测涡轮气动噪声是可行的.
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