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dc.contributor.authorZhao, Danen_US
dc.contributor.authorGuan, Yihengen_US
dc.contributor.authorReinecke, Arneen_US
dc.identifier.citationZhao, D., Guan, Y., & Reinecke, A. (2019). Characterizing hydrogen-fuelled pulsating combustion on thermodynamic properties of a combustor. Commuications Physics, 2(1), 44-. doi:10.1038/s42005-019-0142-8en_US
dc.description.abstractUnlike hydrocarbon fuel, hydrogen is ‘green’ and attracting more and more attentions in energy and propulsion sectors due to the zero emission of CO and CO2. By applying numerical simulations, we explore the physics of how a hydrogen-burnt flame can sustain pulsating combustion and its impact on the thermodynamic properties of a standing-wave combustor. We also explain how implementing a heat exchanger can mitigate such pulsating combustion. The dynamic interactions of the unsteady flow-flame-acoustics-heater are examined by varying the mass flow rate ṁH2 and the heating bands’ surface temperature TH. The frequency and amplitude of the pulsating combustion are shown to depend strongly on ṁH2. In addition, varying TH is shown to lead to not only the molar fraction of the combustion species being changed but also the flame-sustained pulsating oscillations being mitigated somehow. Finally, nonlinearity is observed and identified in the unsteady flow velocity and the two heat sources.en_US
dc.description.sponsorshipNRF (Natl Research Foundation, S’pore)en_US
dc.relation.ispartofCommunications Physicsen_US
dc.rights© 2019 The Author(s). This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit
dc.subjectEngineering::Mechanical engineeringen_US
dc.titleCharacterizing hydrogen-fuelled pulsating combustion on thermodynamic properties of a combustoren_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Mechanical and Aerospace Engineeringen_US
dc.description.versionPublished versionen_US
dc.subject.keywordsEnergy Modellingen_US
dc.subject.keywordsStatistical Physics, Thermodynamics and Nonlinear Dynamicsen_US
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