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SUBSONIC WIND TUNNEL WALL CORRECTIONS
H. C. Garner, E. W. E. Rogers, W. E. A. Acum, E. C. Maskell
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Abstract
The subject of wall interference spans nearly half a century and remains a field of active research. The classical theories of lift and blockage interference in two-dimensional and three-dimensional tunnels are now highly developed for steady subsonic flows without separation in fully closed or open tunnels. Oscillatory experiments, cases of separated flow, and tunnels with slotted or perforated walls can be treated by more recent analysis, but results are relatively limited. The theoretical background is reviewed and modern developments in the formulation, calculation and application of interference corrections are discussed in seven chapters. Chapter I gives a general review and lists areas in which further research is needed. Each of the more specialized chapters contains selected graphs of numerical data and a summary or table of principal formulae.