Improving the performance of an active valve resonant pulse combustor

Joel Lisanti, Xuren Zhu, William L. Roberts

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Scopus citations


The following study describes an experimental investigation into the key parameters influencing the performance and operation of an actively driven resonant pulse combustor. The experimental apparatus is composed of a rotary valved pulse combustor with modular components, including the capability of modifying the convective distance between the active valve and fuel injection. The performance was characterized through pitot probe measurement of the averaged stagnation pressure at the combustor exit, measurement of the dynamic combustion chamber pressure, and recording of an ion probe signal to indicate heat release timing. Results demonstrate that small changes in relevant characteristic time scales (i.e. inlet air convection time) can have a meaningful impact on the device operation and performance. This suggests that moderate design optimization may result in a significant performance improvements.
Original languageEnglish (US)
Title of host publicationAIAA Propulsion and Energy 2019 Forum
PublisherAmerican Institute of Aeronautics and Astronautics
ISBN (Print)9781624105906
StatePublished - Aug 16 2019

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01
Acknowledged KAUST grant number(s): BAS/1/1370-01-01
Acknowledgements: The research reported in this publication was supported by funding from King Abdullah University of Science and Technology (KAUST), under award number BAS/1/1370-01-01 and by the High Pressure Laboratory in the Clean Combustion Research Center.


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