| Citation: | REN Cheng, JIA Linyuan, ZHANG Pingping, et al. Fusion algorithm of multi design points for turboshaft-turbofan variable cycle engine scheme design[J]. Journal of Aerospace Power, 2024, 39（4）：20230564 doi: 10.13224/j.cnki.jasp.20230564
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A fusion algorithm of multi design points (FAMDP) was proposed for the design of turboshaft-turbofan variable cycle engine (TSFVCE) with two operating modes, including: turboshaft mode and turbofan mode. A turbojet engine was taken as an example to introduce the establishment of a FAMDP model. The FAMDP model for the TSFVCE was established. The typical operating points of the TSFVCE, including high-altitude cruise turbofan mode operating points, ground turboshaft mode oper-ating points, and modal conversion operating points, were determined, and the design of the engine scheme was completed. The performance requirements of the aircraft for the TSFVCE at each typical operating point were used as input for the FAMDP. Compared with the parameters obtained by conventional methods, the results showed a difference of less than 1%. The fusion algorithm of multi design points proposed can provide a reference for the overall design of variable cycle engines.
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