Design method for flow matching of S-bend binary exhaust system and turbofan engine

• Main Authors: ZHANG QI, DU KAI, YANG KUN, PAN SHIHAI, LIN JIANQIANG
• Format: Patent
• Language: Chinese; English
• Published: 14.05.2024
• Subjects: CALCULATING; COMPUTING; COUNTING; ELECTRIC DIGITAL DATA PROCESSING; PHYSICS

The invention discloses a design method for flow matching of an S-bend binary exhaust system and a turbofan engine. The design method comprises the design process of designing an S-bend spray pipe without additionally arranging a new structure. The design parameters are determined by performing flow field simulation analysis on the designed S-shaped spray pipe, and the design result is matched by verifying the flow, so that a new structure does not need to be additionally added, the structure is simple, the iteration efficiency is high, the design period is shortened, and the problems that the iteration efficiency is reduced and the design period is prolonged due to the added new structure are solved. 本发明公开了一种S弯二元排气系统与涡扇发动机流量匹配的设计方法，包括：满足不需额外增加新结构来设计S弯喷管的设计过程。以设计的S弯喷管进行流场仿真分析来确定设计参数，并通过验证流量匹配设计结果，不需额外增加新结构，结构简单，迭代效率高，缩短设计周期，解决了增加的新结构降低了迭代效率并导致设计周期变长的问题。