A simple method for drag estimation for wedge-like fairings in hypersonic flow

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dc.contributor.authorKshitij, A.
dc.contributor.authorPrince, Simon A.
dc.contributor.authorStollery, John L.
dc.contributor.authorde la P. Ricón, F.
dc.date.accessioned2021-04-13T15:16:38Z
dc.date.available2021-04-13T15:16:38Z
dc.date.issued2021-03-23
dc.description.abstractThe addition of wedge-like fairings onto the side of missiles and space launch vehicles, to shield devices such as cameras and reaction jet nozzles, creates additional drag particularly when in supersonic and hypersonic freestream flow. An experimental and computational study was performed in order to obtain aerodynamic data on simple representative configurations in order to test the accuracy of simple theories for the drag increment due to these types of fairings. A semi-empirical method to estimate drag on wedge-shaped projections is presented, which may be used by missile designers to provide predictions of the drag increment due to wedge-like fairings. The method is shown to be valid where the wedge width is much smaller than body diameter, and across the Mach number range 4 – 8.2, but is likely to be valid for higher Mach numbers. Drag coefficient is found to increase with increasing wedge angle and reducing wedge slenderness, although increasing slenderness tends to increase skin friction drag.en_UK
dc.identifier.citationKshitij A, Prince SA, Stollery JL, de la Puente RF. (2021) A simple method for drag estimation for wedge-like fairings in hypersonic flow. The Aeronautical Journal, Volume 125, Issue 1288, June 2021, pp. 968-987en_UK
dc.identifier.issn0001-9240
dc.identifier.urihttps://doi.org/10.1017/aer.2021.20
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/16562
dc.language.isoenen_UK
dc.publisherCambridge University Pressen_UK
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectastronauticsen_UK
dc.subjectdragen_UK
dc.subjectCFDen_UK
dc.subjectaerodynamics,en_UK
dc.subjectHypersonicsen_UK
dc.titleA simple method for drag estimation for wedge-like fairings in hypersonic flowen_UK
dc.typeArticleen_UK

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