Cooperative Optimization of Pre-swirl Nozzles and Receiver Holes in a Radial Pre-swirl System Using an ANN-PSO Approach

Publish Year: 1403
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:

JR_JAFM-17-6_001

تاریخ نمایه سازی: 20 فروردین 1403

Abstract:

Radial pre-swirl systems are widely applied in the aviation industry to supply cooling air to high-pressure turbine blades in aircraft engines. The efficiency of the film cooling can significantly decline when the air pressure is insufficient. This study explored the synergistic optimization of pre-swirl nozzles and receiver holes to improve the pressure ratio of a radial pre-swirl system. To attain this objective, we established a surrogate model using an artificial neural network and adopted the particle swarm optimization algorithm to pinpoint the optimized geometric parameters within the defined design scope. The results revealed that the optimal performance was achieved when the pre-swirl-nozzle tangential angle reached ۴۰.۴۳۶۸°, the receiver-hole axial angle reached ۲.۰۲۸۶°, and the tangential angle reached ۳۰°. Additionally, multiple computational simulations were performed under diverse operational conditions to validate the efficacy of this optimization. The results revealed a significant enhancement in the pressure-boosting efficiency of the radial pre-swirl system, with negligible impact on temperature increment. The optimized model exhibited a ۱۶.۹۳% higher pressure ratio and ۱.۶% higher temperature ratio than the baseline model. This improvement can be attributed to enhancements in the flow field and reductions in local losses.

Authors

D. Wang

Faculty of Aircraft, Rocket Engines and Power Plants, Moscow Aviation Institute, Moscow ۱۲۵۰۸۰, Russia

C. Song

Faculty of Aerospace, Moscow Aviation Institute, Moscow ۱۲۵۰۸۰, Russia

C. Qiu

Faculty of Aircraft, Rocket Engines and Power Plants, Moscow Aviation Institute, Moscow ۱۲۵۰۸۰, Russia

Y. Xu

Faculty of Aircraft Engineering, Moscow Aviation Institute, Moscow ۱۲۵۰۸۰, Russia

W. Wang

Faculty of Aircraft Engineering, Moscow Aviation Institute, Moscow ۱۲۵۰۸۰, Russia

P. I. Mihailovich

Faculty of Aircraft, Rocket Engines and Power Plants, Moscow Aviation Institute, Moscow ۱۲۵۰۸۰, Russia

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