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Hot surface ignition of stoichiometric hydrogen-air mixtures

Melguizo-Gavilanes, J. and Boeck, L. R. and Mével, R. and Shepherd, J. E. (2017) Hot surface ignition of stoichiometric hydrogen-air mixtures. International Journal of Hydrogen Energy, 42 (11). pp. 7393-7403. ISSN 0360-3199.

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Hot surface ignition is relevant in the context of industrial safety. In the present work, two-dimensional simulations with detailed chemistry, and study of the reaction pathways of the buoyancy-driven flow and ignition of a stoichiometric hydrogen-air mixture by a rapidly heated surface (glowplug) are reported. Experimentally, ignition is observed to occur regularly at the top of the glowplug; numerical results for hydrogen-air reproduce this trend, and shed light on this behavior. The simulations show the importance of flow separation in creating zones where convective losses are minimized and heat diffusion is maximized, resulting in the critical conditions for ignition to take place.

Item Type:Article
Related URLs:
URLURL TypeDescription
Melguizo-Gavilanes, J.0000-0001-5174-6003
Mével, R.0000-0002-0032-350X
Shepherd, J. E.0000-0003-3181-9310
Additional Information:© 2016 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. Received 2 April 2016; Received in revised form 10 May 2016; Accepted 11 May 2016; Available online 4 June 2016. This work was carried out in the Explosion Dynamics Laboratory of the California Institute of Technology. J. Melguizo-Gavilanes was supported by the Natural Sciences and Engineering Research Council of Canada (NSERC) Postdoctoral Fellowship Program. L. Boeck, R. Mével and J.E. Shepherd by The Boeing Company through a Strategic Research and Development Relationship Agreement CT-BA-GTA-1. This work used the Extreme Science and Engineering Discovery Environment (XSEDE), which is supported by National Science Foundation grant number ACI-1053575.
Funding AgencyGrant Number
Natural Sciences and Engineering Research Council of Canada (NSERC)UNSPECIFIED
Boeing Company Strategic Research and Development RelationshipCT-BA-GTA-1
Subject Keywords:Hot surface ignition; Industrial safety; Interferometry; Numerical simulation; Hydrogen
Issue or Number:11
Record Number:CaltechAUTHORS:20160610-104133490
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Official Citation:J. Melguizo-Gavilanes, L.R. Boeck, R. Mével, J.E. Shepherd, Hot surface ignition of stoichiometric hydrogen-air mixtures, International Journal of Hydrogen Energy, Volume 42, Issue 11, 16 March 2017, Pages 7393-7403, ISSN 0360-3199, (
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:67828
Deposited By: Tony Diaz
Deposited On:10 Jun 2016 18:14
Last Modified:25 Aug 2020 19:27

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