旋转情况下，考虑离心力场的浮升力以及科氏力对流动的影响，用ＳＩＭＰＬＥ方法，ｋ－ε湍流模型，并考虑了壁面函数，数值模拟了叶片端部的气膜冷却。和以往观点不同的是：旋转叶片与非旋转的相比，绝热温比高，气膜冷却有所改善，但换热系数大，并初步分析了原因。 Under the circumstance of rotation, the SIMPLE method and k-ε turbulence model were taken into consideration considering the buoyancy force of centrifugal force field and Coriolis force on the flow. The wall function was considered and the film cooling at the blade end was numerically simulated. Different from the previous viewpoints, compared with the non-rotating rotating blades, the adiabatic temperature ratio is high, the film cooling is improved, but the heat transfer coefficient is large, and the reason is analyzed preliminarily.