The efficiency of a pulsed detonation combustor-axial turbine integration

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dc.contributor.authorXisto, Carlos M.
dc.contributor.authorPetit, Olivier
dc.contributor.authorGrönstedt, Tomas
dc.contributor.authorRolt, Andrew Martin
dc.contributor.authorLundbladh, Anders
dc.contributor.authorPaniagua, Guillermo
dc.date.accessioned2020-03-17T10:41:24Z
dc.date.available2020-03-17T10:41:24Z
dc.date.freetoread2020-03-17
dc.date.issued2018-09-05
dc.description.abstractThe paper presents a detailed numerical investigation of a pulsed detonation combustor (PDC) coupled with a transonic axial turbine stage. The time-resolved numerical analysis includes detailed chemistry to replicate detonation combustion in a stoichiometric hydrogen–air mixture, and it is fully coupled with the turbine stage flow simulation. The PDC–turbine performance and flow variations are analyzed for different power input conditions, by varying the system purge fraction. Such analysis allows for the establishment of cycle averaged performance data and also to identify key unsteady gas dynamic interactions occurring in the system. The results obtained allow for a better insight on the source and effect of different loss mechanisms occurring in the coupled PDC–turbine system. One key aspect arises from the interaction between the non-stationary PDC outflow and the constant rotor blade speed. Such interaction results in pronounced variations of rotor incidence angle, penalizing the turbine efficiency and capability of generating a quasi-steady shaft torque.en_UK
dc.identifier.citationXisto C, Petit O, Gronstedt T, Rolt A, et al., (2018) The efficiency of a pulsed detonation combustor-axial turbine integration. Aerospace Science and Technology, Volumes 82-83, November 2018, pp. 80-91en_UK
dc.identifier.cris21631764
dc.identifier.issn1270-9638
dc.identifier.urihttps://doi.org/10.1016/j.ast.2018.08.038
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/15293
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectPulsed detonation combustoren_UK
dc.subjectAxial turbinesen_UK
dc.subjectCombustion modelingen_UK
dc.subjectCFDen_UK
dc.titleThe efficiency of a pulsed detonation combustor-axial turbine integrationen_UK
dc.typeArticleen_UK

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