Abstract
Deakin and Blest1 have reported observations of the flow approaching a pipe junction which show, apparently, a separation surface reminiscent in shape of an antique bow (Fig. 1). They draw attention to the marked dip in the curves close to the line of symmetry, which they find consistently over a wide range of experimental conditions, and see this feature as a particular challenge to any theoretical treatment of the flow. Their experimental measurements admit, however, of an alternative interpretation which eliminates this intriguing feature and which, I suggest, there are good reasons for preferring.
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Deakin, M. A. B., and Blest, D. C., Nature, 226, 259 (1970).
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GREEN, J. Flow at the Junction of Two Pipes: the Shape of the Separation Surface. Nature Physical Science 231, 178 (1971). https://doi.org/10.1038/physci231178a0
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DOI: https://doi.org/10.1038/physci231178a0
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