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dc.creatorZarketa-Astigarraga, A.
dc.creatorPenalba, M.
dc.creatorMartin-Mayor, A.
dc.creatorMartinez-Agirre, M.
dc.date.accessioned2024-10-25T07:01:21Z
dc.date.available2024-10-25T07:01:21Z
dc.date.issued2022-1-1
dc.identifier.citationZarketa-Astigarraga, A., Penalba, M., Martin-Mayor, A., & Martinez-Agirre, M. (2022). Experimental assessment of scale-effects on the aerodynamic characterization of a transitionally-operating airfoil working under clean flow conditions. Measurement: Journal of the International Measurement Confederation, 188. https://doi.org/10.1016/J.MEASUREMENT.2021.110414
dc.identifier.urihttps://hdl.handle.net/20.500.11984/6700
dc.description.abstractWind tunnel tests are carried out upon a NACA0021 airfoil subjected to transitional Reynolds numbers. Transitionally-operating airfoils show a high sensitivity to external conditions and pose relevant measurement issues for capturing the physical processes adequately. On the global side, the employed set of techniques measures lift forces directly and uses the momentum-deficit method for drag coefficients. Locally, the development of transitional structures is acknowledged via surface pressure measurements carried out by pressure taps together with oil-flow visualizations. The coupling of such techniques with a well-founded uncertainty analysis shows two relevant aspects of the measurement protocolization: on the one hand, the limitations of either the global or local methods for completely accounting for all transitional phenomena. On the other hand, the fact that combining the proposed set of different measurement techniques with a systematic protocol is a mandatory requirement for achieving a holistic characterization of transitionally-operating airfoils.
dc.language.isoeng
dc.publisherElsevier B.V.
dc.rightsclosedAccess
dc.titleExperimental assessment of scale-effects on the aerodynamic characterization of a transitionally-operating airfoil working under clean flow conditions
dc.typeARTICLE
dc.date.updated2024-10-25T07:01:21Z


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