Pulse detonation engines: Technical approaches

被引：64
|
作者：
Nikitin, V. F. [1 ]
Dushin, V. R. [1 ]
Phylippov, Y. G. [1 ]
Legros, J. C. [2 ]
机构：
[1] Moscow MV Lomonosov State Univ, Moscow 119899, Russia
[2] Free Univ Brussels, B-1050 Brussels, Belgium
来源：
ACTA ASTRONAUTICA | 2009年 / 64卷 / 2-3期
基金：
俄罗斯基础研究基金会;
关键词：
Engine; Detonation; Power; Deflagration; Ignition; Onset; Operating cycle; DEFLAGRATION; TRANSITION; GEOMETRY;
D O I：
10.1016/j.actaastro.2008.08.002
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
The paper contains analysis of the problems preventing from wide use of pulse detonation engines (PDE), and provides suggestions to overcome those problems. In particular, the results of theoretical investigations of basic operating cycle in PDE-deflagration-to-detonation transition (DDT) processes in combustible gaseous mixtures and transmission of detonation into large chambers-are presented. The paper investigates the effect of implosion shock waves on the onset of detonation in gases, and suggests the scheme of detonation transmission from a narrow gap into a wide chamber, which makes it possible to reduce the predetonation length thus shortening the necessary length of the engine. (c) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码：281 / 287
页数：7
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