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Chapitre D'ouvrage Année : 2023

Hydrogen ignition and safety

Résumé

This chapter provides an overview of H 2 ignition and safety-related questions, to be addressed in the development of future H 2 thermal engines. Basics of H 2 ignition phenomena are covered in the first part, including the well-known branchedchain oxidation reactions described by Semenov & Hinshelwood, as well as useful analytical derivations of induction delay times. The second part provides an overview of classical canonical limit problems, including the explosion-limit (,) diagram, the propagation limits of both deflagrations and detonations, and shock-induced or thermal-induced ignitions. The two remaining parts address two opposite but complementary questions: how to ignite a H 2 engine, and how to prevent hazardous H 2 ignition. In the former, a list of available technologies is offered, while in the latter, simplified models are presented to predict ignition hazards from cold-flow numerical simulations.
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hal-04244414 , version 1 (16-10-2023)

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Pierre Boivin, Marc Le Boursicaud, Alejandro Millán-Merino, Said Taileb, Josué Melguizo-Gavilanes, et al.. Hydrogen ignition and safety. Efstathios-Al. Tingas. Hydrogen for Future Thermal Engines, Springer International Publishing, pp.161-236, 2023, Green Energy and Technology, 978-3-031-28411-3. ⟨10.1007/978-3-031-28412-0_5⟩. ⟨hal-04244414⟩
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