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The two-dimensional prediction method of Bradshaw, Ferriss & Atwell (1967), which was based on the empirical conversion of the turbulent energy equation into a ‘transport’ equation for shear stress, is extended to three-dimensional flows satisfying the boundary-layer approximation (which excludes flows near bluff obstacles or streamwise corners). Predictions, using exactly the same empirical data as in two-dimensional flow, agree to within the likely experimental error with a variety of experiments on ‘infinite’ swept wings.
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P. Bradshaw (1971) studied this question.
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