Experimental Investigation on Rotational Detonation Combustion with Fuel-Rich Gases of Kerosene

被引：0
|
作者：
Hu H.-B. [1 ]
Yan Y. [1 ]
Zhang F. [1 ]
Hong L. [1 ]
Chen H.-Y. [1 ]
机构：
[1] Science and Technology on Liquid Rocket Engine Laboratory, Xi'an Aerospace Propulsion Institute, Xi'an
来源：
Hu, Hong-Bo (hhb_lrelab@sina.com) | 1600年 / Journal of Propulsion Technology卷 / 41期
关键词：
Experiments; Fuel-rich combustion; Kerosene; Propagation; Rotational detonation;
D O I：
10.13675/j.cnki.tjjs.190407
中图分类号：
学科分类号：
摘要：
In order to know the processes and characteristics of the rotational detonation combustion with kerosene fuel-rich gases, the experiments were accomplished by using the scheme of the secondary detonation combustion with kerosene fuel-rich gases and oxygen-rich air under the excessive air coefficient from 0.51 to 1.29. The experimental results show that the stable propagation of rotational detonation wave can be realized at lower oxygen concentration with the fuel-rich gases of kerosene and oxygen-rich air contrast to liquid kerosene. At the condition of 29% oxygen mass concentration and 0.74 air coefficient, the average velocity of the rotational detonation wave is 926.3m/s. The velocity of the rotational detonation wave decreases first and then increases with the increased air flow rate under the oxygen-poor condition, and the minimum velocity is the balance of the influence of the oxygen concentration decrease and the air mass flow increase. Within the tests of this paper, the mass fraction and the excessive air coefficient corresponding to the critical value are 35% and 0.92, respectively. © 2020, Editorial Department of Journal of Propulsion Technology. All right reserved.
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页码：881 / 888
页数：7
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