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Aeronautical Quarterly | Vol.9, Issue.3 | | Pages 305-312

Aeronautical Quarterly

A Note on the Drag of Wing-Body Combinations in Linearised Supersonic Flow

L. E. Fraenkel  
Abstract

In this note Ward's “area-transfer rule” is modified in order to make it more suitable for configurations with fuselages or nacelles which are neither slender nor smooth (although they are assumed to have small profile slope). The body source strength of Ward's analysis, which is appropriate only for smooth, slender bodies, is replaced by a source strength which is valid more generally. However, the drag contributions of the body multi-sources and of the interference field are still neglected, so that the theory is tentative rather than rigorous.

Original Text (This is the original text for your reference.)

A Note on the Drag of Wing-Body Combinations in Linearised Supersonic Flow

In this note Ward's “area-transfer rule” is modified in order to make it more suitable for configurations with fuselages or nacelles which are neither slender nor smooth (although they are assumed to have small profile slope). The body source strength of Ward's analysis, which is appropriate only for smooth, slender bodies, is replaced by a source strength which is valid more generally. However, the drag contributions of the body multi-sources and of the interference field are still neglected, so that the theory is tentative rather than rigorous.

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L. E. Fraenkel,.A Note on the Drag of Wing-Body Combinations in Linearised Supersonic Flow. 9 (3),305-312.

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