Effect of mixing Mach number and mixing efficiency on the preliminary cycle design of mixed high-BPR turbofans

dc.contributor.authorCleton, Bjorn
dc.contributor.authorAnselmi, Eduardo
dc.contributor.authorPellegrini, Alvise
dc.contributor.authorPachidis, Vassilios
dc.contributor.authorLaskaridis, Panagiotis
dc.date.accessioned2019-03-18T10:31:48Z
dc.date.available2019-03-18T10:31:48Z
dc.date.issued2019-03-02
dc.description.abstractThis article presents the implementation of an updated analytical flow mixing model in a state-of-the-art, non-dimensional gas turbine cycle performance simulation and optimisation tool. The model considers three separate streams in the mixer, each expanding through its own ‘virtual’ nozzle. The use of three streams, compared to one single stream, allows for a more realistic simulation of a mixed exhaust gas turbine. This approach is used in a parametric study to assess the effect of the choice of mixing efficiency and mixer inlet Mach number on the preliminary design of mixed-exhaust, high-bypass ratio turbofan engines. It was found that in terms of best thermal performance, a trade-off exists between mixer inlet Mach number and mixer effectiveness. The findings of this research establish some useful guidelines for the accurate selection of these two parameters to achieve robust cycle designs.en_UK
dc.identifier.citationCleton B, Anselmi E, Pellegrini A, et al., Effect of mixing Mach number and mixing efficiency on the preliminary cycle design of mixed high-BPR turbofans, Thermal Science and Engineering Progress, Volume 10, May 2019, pp. 299-308en_UK
dc.identifier.issn2451-9049
dc.identifier.urihttps://doi.org/10.1016/j.tsep.2019.03.001
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/13995
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.subjectMixing efficiencyen_UK
dc.subjectParametric studyen_UK
dc.subjectMixer inlet Mach numberen_UK
dc.subjectTheoretical thrust gainen_UK
dc.titleEffect of mixing Mach number and mixing efficiency on the preliminary cycle design of mixed high-BPR turbofansen_UK
dc.typeArticleen_UK

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