燃烧室构型对旋转爆震波传播特性的影响

doi:10.7527/S1000-6893.2021.25372

流体力学与飞行力学

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燃烧室构型对旋转爆震波传播特性的影响

赵明皓¹, 王可², 王致程¹, 朱亦圆¹, 李清安¹, 范玮¹

1. 西北工业大学动力与能源学院, 西安 710072;
2. 西北工业大学陕西省航空动力系统热科学重点实验室, 西安 710129

收稿日期:2021-02-04 修回日期:2021-02-24 发布日期:2021-04-08
通讯作者: 王可 E-mail:wangk@nwpu.edu.cn
基金资助:
国家自然科学基金（52076181，52176133）；陕西省自然科学基础研究计划（2020JQ-185）；中央高校基本科研业务费（3102019ZX024）；西北工业大学博士生创新基金（CX2021072）

Effect of combustor configurations on propagation characteristics of rotating detonation waves

ZHAO Minghao¹, WANG Ke², WANG Zhicheng¹, ZHU Yiyuan¹, LI Qing'an¹, FAN Wei¹

1. School of Power and Energy, Northwestern Polytechnical University, Xi'an 710072, China;
2. Shaanxi Key Laboratory of Thermal Sciences in Aeroengine System, Northwestern Polytechnical University, Xi'an 710129, China

Received:2021-02-04 Revised:2021-02-24 Published:2021-04-08
Supported by:
National Natural Science Foundation of China (52076181, 52176133); Natural Science Basic Research Program of Shaanxi (2020JQ-185); the Fundamental Research Funds for the Central Universities (3102019ZX024); Innovation Foundation for Doctor Dissertation of Northwestern Polytechnical University (CX2021072)

摘要/Abstract

摘要： 为了揭示燃烧室构型对旋转爆震波传播特性的影响，设计了不同结构参数的5个燃烧室，包括环形、空桶形和凹腔形3种燃烧室形式。喷注器采用喷孔-环缝设计，燃料和氧化剂分别为乙烯和富氧空气。在相同的供给条件下，实验研究了燃烧室构型对旋转爆震波传播特性和推进性能的影响。结果表明：空桶形燃烧室稳定爆震模态的工作范围最宽且爆震波最为稳定，但推进性能较差；两个凹腔形燃烧室的工作范围介于燃烧室宽度为19 mm和15 mm的两个环形燃烧室之间，但推进性能略高于宽度为19 mm的环形燃烧室；此外，凹腔形燃烧室的工作范围随凹腔长度的增加而增加。

关键词: 燃烧室构型, 传播特性, 工作范围, 推进性能, 旋转爆震

Abstract: To analyze the propagation characteristics of the rotating detonation waves in different combustors, five combustors with different structural parameters were adopted, including one hollow chamber, two kinds of annular chambers, and two kinds of cavity chambers. Experiments were conducted in different combustors under the same supplying condition utilizing ethylene and oxygen-enriched air. The fuel and oxidizer were injected separately through a slot-orifice injection structure. The characteristics of the rotating detonation wave and propulsive performance are discussed. In the hollow chamber, the rotating detonation wave propagates steadily in the stable detonation mode with a wider range of equivalence ratio, while the propulsive performance is the lowest. In the cavity chambers, the operating range of the stable detonation mode is between the two annular chambers with chamber widths of 19 mm and 15 mm, but the propulsive performance is slightly higher than that of the annular chamber with a width of 19 mm. In addition, the operating range based on the cavity chambers increases with the increase of the cavity length.

Key words: combustor configurations, propagation characteristics, operating range, propulsive performance, rotating detonation

中图分类号:

V231.2

赵明皓, 王可, 王致程, 朱亦圆, 李清安, 范玮. 燃烧室构型对旋转爆震波传播特性的影响[J]. 航空学报, 2022, 43(5): 125372-125372.

ZHAO Minghao, WANG Ke, WANG Zhicheng, ZHU Yiyuan, LI Qing'an, FAN Wei. Effect of combustor configurations on propagation characteristics of rotating detonation waves[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2022, 43(5): 125372-125372.

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E-mail：hkxb@buaa.edu.cn

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燃烧室构型对旋转爆震波传播特性的影响

Effect of combustor configurations on propagation characteristics of rotating detonation waves

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