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2012 | OriginalPaper | Chapter

Particle-Impact Ignition Measurements in a High-Pressure Oxygen Shock Tube

Authors : Mark W. Crofton, Phillip T. Stout, Michael M. Micci, Eric L. Petersen

Published in: 28th International Symposium on Shock Waves

Publisher: Springer Berlin Heidelberg

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Metal particle contamination is a concern for liquid rocket engines that use enriched O

2

at high pressure. It is believed that under some engine conditions contaminant particle impact could release sufficient kinetic energy to initiate combustion, providing an ignition source for engine components (e.g., turbine blades) impacted by the particles, and subsequently a combustion event that eventually consumes structural materials of the engine. It is important that the combustion properties of these candidate metal particles be studied for their propensity to cause ignition under rocket-like conditions, to reduce the risk of engine failure. Laboratory study of such a mechanism under realistic engine conditions is difficult, and data are lacking. Data that reveal the influence of particle mass, kinetic energy, impacted-surface composition, and environmental conditions on ignition propensity are valuable for launch programs involving oxidizer-rich, staged combustion engines.

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Metadata
Title
Particle-Impact Ignition Measurements in a High-Pressure Oxygen Shock Tube
Authors
Mark W. Crofton
Phillip T. Stout
Michael M. Micci
Eric L. Petersen
Copyright Year
2012
Publisher
Springer Berlin Heidelberg
DOI
https://doi.org/10.1007/978-3-642-25685-1_46

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