变循环发动机双涵道模式下变几何控制探索

推进技术 ›› 2017, Vol. 38 ›› Issue (5): 1133-1139.

变循环发动机双涵道模式下变几何控制探索

骆广琦,管磊,曾剑臣,吴涛,胡砷纛

空军工程大学航空航天工程学院，陕西西安 710038,空军工程大学航空航天工程学院，陕西西安 710038,空军工程大学航空航天工程学院，陕西西安 710038,空军工程大学航空航天工程学院，陕西西安 710038,空军工程大学航空航天工程学院，陕西西安 710038

发布日期:2021-08-15
作者简介:骆广琦，男，博士，教授，研究领域为航空发动机数值仿真。
基金资助:
APTD(APTD-1402-05)。

Exploration of Schedules of Variable Geometry of Variable Cycle Engine with Double Bypass Duct Mode

Aeronautics and Astronautics Engineering College，Air Force Engineering University，Xi’an 710038，China,Aeronautics and Astronautics Engineering College，Air Force Engineering University，Xi’an 710038，China,Aeronautics and Astronautics Engineering College，Air Force Engineering University，Xi’an 710038，China,Aeronautics and Astronautics Engineering College，Air Force Engineering University，Xi’an 710038，China and Aeronautics and Astronautics Engineering College，Air Force Engineering University，Xi’an 710038，China

Published:2021-08-15

摘要/Abstract

摘要： 为了实现变循环发动机的性能优化，利用混合优化算法寻找最优的几何控制变量来实现变循环发动机的性能提升。在节流优化过程中，采用了单独减小高压转子转速和协同调节高低压转子转速两种控制方案，并计算了巡航状态时在这两种控制方案下发动机由最大推力到50%最大推力的节流过程中，发动机性能参数和工作参数的变化。计算结果表明:在高度为11km、马赫数为0.9条件下，保持进口流量不变，在50%最大推力时协同调节方案相比单一调节方案，发动机的耗油率下降了5.997%，另一个巡航状态(高度为9km，马赫数为0.8)下也有相似的结果。这表明采用高低压转速协同控制能对发动机进行更有效的控制，进一步改善了发动机的巡航性能。

关键词: 变循环发动机；混合优化算法；双转速控制；变几何控制

Abstract: The optimal geometry variables was traced by utilizing hybrid optimization algorithm to achieve performance-seeking of variable cycle engine. The first control scheme for decreasing high rotational speed alone and the second control scheme for collaborative control of high and low rotational speed respectively were implemented in the calculation of engine performance parameters and operating parameters，during the optimization throttle process from the maximum cruise thrust to 50% of maximum thrust. The results showed that specific fuel consumption of engine with the second control scheme reduced by 5.997% compared to the first control scheme when the air flow of engine inlet maintained constant at the condition of altitude of 11km and Mach number of 0.9，which was similar to another cruise case at the condition of altitude of 9km and Mach number of 0.8. Collaborative control scheme of high and low rotational speed controls the engine more effectively and improves the cruising performance.

Key words: Variable cycle engine；Hybrid optimization algorithm；Dual rotational speed control；Variable geometry control

骆广琦,管磊,曾剑臣,吴涛,胡砷纛. 变循环发动机双涵道模式下变几何控制探索[J]. 推进技术, 2017, 38(5): 1133-1139.

LUO Guang-qi,GUAN Lei,ZENG Jian-chen,WU Tao,HU Shen-dao. Exploration of Schedules of Variable Geometry of Variable Cycle Engine with Double Bypass Duct Mode[J]. Journal of Propulsion Technology, 2017, 38(5): 1133-1139.

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