Adaptive Simulation of Micro-Turbojet Engine Component Characteristics

In order to solve the problem that the micro-turbojet engine performance calculation accuracy is not high under the condition of unknown component characteristics map. This paper builds a component characteristics adaptive model of the micro-turbojet engine. According to the engine test data, based on the general characteristics map of the compressor, the weighting function and the correction factors are constructed. The weighting function is optimized on the iSIGHT platform by using the Downhill Simplex method to obtain the modified compressor characteristics map and more accurate engine performance. The results indicate that the adaptive model can improve the micro-turbojet engine performance calculation accuracy.