Experimental research on solid fuel pre-combustion rotating detonation engine

被引：14

作者：

Wu, Wenbin ^{[1
]}

Wang, Yingnan ^{[1
]}

Han, Wenbo ^{[1
]}

Wang, Genlai ^{[2
]}

Zhang, Mingliang ^{[2
]}

Wang, Jianping ^{[1
]}

机构：

[1] Peking Univ, Coll Engn, Ctr Combust & Prop, Dept Mech & Engn Sci,CAPT & SKLTCS, Beijing 100871, Peoples R China

[2] Inner Mongolia Power Machinery Res Inst, 65 Xinhua East St, Hohhot 010010, Inner Mongolia, Peoples R China

来源：

ACTA ASTRONAUTICA | 2023年 / 205卷

基金：

中国国家自然科学基金;

关键词：

Rotating detonation engine; Experimental research; Solid fuel; Rocket motor; GAS-MIXTURE; PERFORMANCE; WAVE; ROCKET;

D O I：

10.1016/j.actaastro.2023.02.007

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

The solid-fuel rotating detonation engine with gas generator is experimentally studied in this paper. This study solved the problems of ignition and stable detonation of pre-combustion gasification injection. The feasibility of solid pre-combustion rotating detonation is verified. A set of gas generators was designed and ignition tests were carried out. The detonation wave velocity is about 2625 m/s in the stable stage, which is about 20% higher than that generated by hydrogen/oxygen detonation. A maximum thrust of 69 N is obtained. Stable detonation pressure signal was obtained in our experiments. It is found that the detonation wave has experienced four stages in the formation process: deflagration, deflagration to detonation transition (DDT) process, galloping detonation, and stable detonation. In the stable detonation stage, coexistence of detonation waves with different strength is identified by high-speed photography images.

引用

页码：258 / 266

页数：9

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