Numerical simulation of anti-icing cavity performance for an engine inlet lip

In this paper, the hot air of the engine lip is the research object, and the three-dimensional model is established. Through the calculation and quantitative analysis of the effect of ice protection at different gas diversion speeds and gas diversion temperatures, the influence of the above parameters on the effectiveness of ice protection is obtained. It shows that the air velocity is from 10 m/s to 40 m/s, and the lowest temperature of the ice surface rises from 266.4 K to 286.2 K. When the air temperature increases from 100°C to 130°C, the lowest temperature of the ice surface rises from 286.2 K to 307.1 K. Therefore, when the air introduction speed is not less than 15 m/s and the flow temperature is not lower than 380 K, the effective anti-ice of the short chamber lip can be realized.