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Abstract
Recent developments in high-speed photographic instrumentation have made it possible to observe the luminosity from exploding pentolite charges in greater detail, and to associate this luminosity with physical detonation and shock phenomena. By studying and identifying the luminosity in separate phases and combining the results, an overall model is obtained, which includes a “preliminary light”, the detonation front, a “dark-space” and finally luminous air shock.
The results of these studies have also been used to explain and clarify questionable observations made by earlier techniques.