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The detonation phenomenon

TLDR
In this article, the authors introduce the detonation phenomenon in explosives and provide a review of the outstanding problems and future directions in detonation research, as well as discuss the important effects of confinement and boundary conditions on the propagation of a detonation wave.
Abstract
This book introduces the detonation phenomenon in explosives. It is ideal for engineers and graduate students with a background in thermodynamics and fluid mechanics. The material is mostly qualitative, aiming to illustrate the physical aspects of the phenomenon. Classical idealized theories of detonation waves are presented first. These permit detonation speed, gas properties ahead of and behind the detonation wave, and the distribution of fluid properties within the detonation wave itself to be determined. Subsequent chapters describe in detail the real unstable structure of a detonation wave. One-, two-, and three-dimensional computer simulations are presented along with experimental results using various experimental techniques. The important effects of confinement and boundary conditions and their influence on the propagation of a detonation are also discussed. The final chapters cover the various ways detonation waves can be formed and provide a review of the outstanding problems and future directions in detonation research.

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Detonation in gases

TL;DR: In this paper, the authors review recent progress in gaseous detonation experiment, modeling, and simulation and discuss the implications of this for detonation propagation and dynamic behavior such as diffraction, initiation, and quenching or failure.
Journal ArticleDOI

Rotating detonation combustors and their similarities to rocket instabilities

TL;DR: An overview of the research done worldwide to address some of the challenges and questions pertaining to the physics of rotating detonation combustors operation is provided in this paper, where notable parallels are drawn to the phenomena of low and high frequency instabilities in solid and liquid rockets that have been recognized as the most severe hindrance to their operation.
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The influence of wall roughness on detonation limits in hydrogen–oxygen mixture

TL;DR: In this article, the effect of wall roughness on the detonation limits in stoichiometric hydrogen-oxygen mixture was systematically examined, and it was found that wall roughs can either promote or prohibit the detonations propagation.
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Mixing-related low frequency oscillation of combustion in an ethylene-fueled supersonic combustor

TL;DR: In this article, the authors investigated combustion instabilities inside an ethylene-fueled scramjet combustor mounted on a Mach 2.1 direct-connect test facility with an inflow stagnation temperature of 846 K. The experimental results suggest that the oscillation modes correlate with mixing status closely.
Journal ArticleDOI

Investigation of rotating detonation combustor operation with H2-Air mixtures

TL;DR: In this article, the operating range and wave speed performance of a Rotating Detonation Combustor (RDC) was characterized for hydrogen-air mixtures for three fuel injection schemes and two air injection schemes.
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