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Experimental measurements are reported for flow in a cylindrical annulus, with moving inner surface and a step on the stationary outer cylinder. This is related to bearing flows near steps. Strong effects of convected inertia are observed, and these are subdivided into three major classifications. Simplified analyses which include the major physical influences in each category are developed, and are shown to be in reasonable agreement with the measurements.
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Salimonu et al. (1977) studied this question.
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