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- Title
INTERFERENCE AND TURNING OF IN-PARALLEL WAKES.
- Authors
SMITH, F. T.
- Abstract
Multiple in-parallel wakes are studied for 'internal' configurations, modelling contained motion periodic about a central axis, and 'external' ones set in a stream. The former configurations (but not the latter ones) induce a substantial pressure gradient and wake shapes that are controlled, in an unusual manner, by the local lateral momentum balance. Particular attention is given to the pressure losses and the overall turning of the relatively thick wakes for the internal case, based on slender-flow theory throughout. The links with experiments using external flow to simulate internal conditions for turbomachinery applications are discussed, especially in terms of firstand second-order effects for small wake deficits and the differences between the upstream and the downstream lateral periods for many external wakes.
- Subjects
WAKES (Fluid dynamics); MOMENTUM (Mechanics); RIVERS; TURBOMACHINES; PRESSURE measurement
- Publication
Quarterly Journal of Mechanics & Applied Mathematics, 2002, Vol 55, Issue 1, p49
- ISSN
0033-5614
- Publication type
Article
- DOI
10.1093/qjmam/55.1.49