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arXiv · 2606.23900

On initiation of detonation in large fuel-air clouds

Leonid Kagan·Peter V. Gordon·Gregory Sivashinsky
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Abstract

The proposed study is motivated by experimental evidence, dating back to 1985, demonstrating the possibility of deflagration-to-detonation transition (DDT) in a fuel-air cloud. The detonation is initiated by a flame jet developed in a thin open-ended tube inserted into the cloud. Despite the experimental data, a first-principle understanding of the mechanism controlling the transition is still missing. The current research is aimed at resolution of this issue through a simple 2D formulation involving minimum physical ingredients.

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Leonid Kagan, Peter V. Gordon, Gregory Sivashinsky. 2026-06-22. On initiation of detonation in large fuel-air clouds. https://arxiv.org/abs/2606.23900

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