High-resolution turbofan intake flow characterization by automated stereoscopic-PIV in an industrial wind tunnel environment

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dc.contributor.authorKempaiah, Kushal U.
dc.contributor.authorPiovesan, Tommaso
dc.contributor.authorZachos, Pavlos K.
dc.contributor.authorMichaelis, Dirk
dc.contributor.authorGebbink, Roy
dc.contributor.authorvan Rooijen, Bart
dc.contributor.authorPrieto, Daniel Gil
dc.contributor.authorMacManus, David
dc.contributor.authorSciacchitano, Andrea
dc.contributor.authorSheaf, Christopher T.
dc.date.accessioned2024-01-04T16:10:57Z
dc.date.available2024-01-04T16:10:57Z
dc.date.issued2023-11-30
dc.description.abstractUnsteady inlet flow distortion can influence the stability and performance of any propulsion system, in particular for more novel, short and slim intakes of future aero-engine configurations. As such, the requirement for measurement methods able to provide high spatial resolution data is important to aid the understanding of these flow fields. This work presents flow field characterisations at a crossflow plane within a short aeroengine intake using stereoscopic particle image velocimetry (SPIV). A series of tests were conducted across a range of crosswind and high angle of attack conditions for a representative short and slim aspirated intake configuration at two operating points in terms of mass flow rate. The velocity maps were measured at a crossflow plane within the intake at an axial position L/D = 0.058 from where a fan is expected to be installed. The diameter of the measurement plane was 250 mm, and the final spatial resolution of the velocity fields had a vector pitch of 1.5 mm which is at least two orders of magnitude richer than conventional pressure-based distortion measurements. The work demonstrates the ability to perform robust non-intrusive flow measurements within modern intake systems in an industrial wind tunnel environment across a wide range of operating conditions; hence, it is suggested that SPIV can potentially become part of standard industrial testing. The results provide rich datasets that can notably improve our understanding of unsteady distortions and influence the design of novel, closely coupled engine-intake systems.en_UK
dc.identifier.citationKempaiah KU, Piovesan T, Zachos PK, et al., (2024) High-resolution turbofan intake flow characterization by automated stereoscopic-PIV in an industrial wind tunnel environment. Measurement Science and Technology, Volume 35, Issue 2, February 2024, Article number 025210en_UK
dc.identifier.issn0957-0233
dc.identifier.urihttps://doi.org/10.1088/1361-6501/ad0ea0
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/20609
dc.language.isoenen_UK
dc.publisherIOP Publishingen_UK
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectturbofanen_UK
dc.subjectinlet testingen_UK
dc.subjectultra high bypass ration enginesen_UK
dc.subjectparticle image velocimetryen_UK
dc.subjectnon-intrusive measurementsen_UK
dc.subjectinlet distortionen_UK
dc.subjectindustrial wind tunnel testingen_UK
dc.titleHigh-resolution turbofan intake flow characterization by automated stereoscopic-PIV in an industrial wind tunnel environmenten_UK
dc.typeArticleen_UK
dcterms.dateAccepted2023-11-21

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