涡轮基双燃烧室超燃组合循环发动机方案研究

推进技术 ›› 2018, Vol. 39 ›› Issue (10): 2297-2302.

涡轮基双燃烧室超燃组合循环发动机方案研究

赵文胜^1,2,郭金鑫^2,3,侯金丽³,费立森^2,3

北京空天技术研究所，北京 100074; 北京动力机械研究所高超声速冲压发动机技术重点实验室，北京 100074,北京动力机械研究所高超声速冲压发动机技术重点实验室，北京 100074; 北京动力机械研究所，北京 100074,北京动力机械研究所，北京 100074,北京动力机械研究所高超声速冲压发动机技术重点实验室，北京 100074; 北京动力机械研究所，北京 100074

发布日期:2021-08-15
作者简介:赵文胜，男，硕士，研究员，研究领域为火箭发动机、空天动力技术。E-mail: cas31zws@sina.com 通讯作者:郭金鑫，男，硕士，高级工程师，研究领域为冲压发动机、空天动力技术。

Study on Turbine-Based Dual-Combustor Scramjet Combined Cycle Engine Concept

Beijing Aerospace Technology Research Institute，Beijing 100074，China;Science and Technology on Scramjet Laboratory，Beijing Power Machinery Institute，Beijing 100074，China,Science and Technology on Scramjet Laboratory，Beijing Power Machinery Institute，Beijing 100074，China;Beijing Power Machinery Institute，Beijing 100074，China,Beijing Power Machinery Institute，Beijing 100074，China and Science and Technology on Scramjet Laboratory，Beijing Power Machinery Institute，Beijing 100074，China;Beijing Power Machinery Institute，Beijing 100074，China

Published:2021-08-15

摘要/Abstract

摘要： 针对临近空间飞行器及空天飞行器使用需求，提出了涡轮基双燃烧室超燃组合循环发动机(Turbine-based dual-combustor scramjet combined cycle propulsion ，TBDC)概念，由成熟涡轮与双燃烧室超燃冲压发动机并联组成，Ma0～2.5以涡轮模态为主，Ma2.5～6+主要由双燃烧室超燃冲压发动机提供推力。分析了双燃烧室超燃冲压发动机启动马赫数低、工作包线下边界宽域特点对解决涡轮基与冲压级模态转换过程中普遍存在的“推力陷阱”的有效性和双燃烧室技术应用于组合发动机的可行性，研究了双燃烧室发动机适应组合发动机一体化构形和性能保持、统筹组合发动机可调进气功能拓展双燃模态工作边界的技术途径，完成了组合发动机典型状态点性能仿真和关键技术梳理。研究表明，涡轮基双燃烧室超燃组合循环发动机有望在Ma2.5～3实现模态转换、推力顺畅接力，适应Ma0～6+高速宽域飞行需求。

关键词: 组合循环发动机；超燃冲压发动机；推力陷阱；双燃烧室

Abstract: Turbine-based dual-combustor scramjet combined cycle propulsion (TBDC) is proposed for potential application to near-space flight vehicle and aerospace vehicle. For TBDC， an off-the-shelf turbo engine acts as the primary thrusters in the range of about Mach 0～2.5， and dual-combustor scramjet expanded performance for Mach 2.5～6+. Expansion of high performance at low speed and a wide working envelop under boundary has been studied， which could effectively solve the breakthrough in the thrust gap between turbo and dual-mode ramjet. The technical approach of the structural adaptability for combined cycle of the dual-combustor scramjet and expansion of working envelop of the dual-combustor mode with common adjustable intake and nozzle has been studied. Performance simulation for typical state point and key technology carding have been performed. Results suggest that TBDC is hopeful to accomplish mode transition with thrust smoothing， which allows operation form static to hypersonic speed (Mach 6+).

Key words: Combined cycle engine；Scramjet；Thrust gap；Dual combustor

赵文胜,郭金鑫,侯金丽,费立森. 涡轮基双燃烧室超燃组合循环发动机方案研究[J]. 推进技术, 2018, 39(10): 2297-2302.

ZHAO Wen-sheng^1,2,GUO Jin-xin^2,3,HOU Jin-li³,FEI Li-sen^2,3. Study on Turbine-Based Dual-Combustor Scramjet Combined Cycle Engine Concept[J]. Journal of Propulsion Technology, 2018, 39(10): 2297-2302.

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