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  • Users: klchurch
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  1. klchurch

    Compressed Air Turbulent Annular flow

    I've been studying Crane 410, trying to figure out an equation to determine pressure drop in a tubular annulus (tube within a tube). Crane page 1-4 under Hydraulic Radius mentions vaguely that the Hydraulic radius would be 1/2 the width of the passage. Does this mean 1/2 the annular wall or does...

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