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hydraulic radius

noun
1.
the ratio of the cross-sectional area to the perimeter of a pipe, outlet, or the like, through which a fluid is flowing.
Origin
1875-1880
1875-80
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for hydraulic radius
  • The example in this appendix uses a simplistic model to determine the hydraulic radius.
  • It can be seen from this equation that permissible velocity varies with the hydraulic radius.
  • The hydraulic radius is defined as the area divided by the wetted perimeter.
  • The hydraulic depth is similar to the hydraulic radius in that both are characteristic depths of flow.
  • Determine the area and hydraulic radius corresponding to the allowable depth based on the channel geometry.
  • Also, shallow wa- ter bodies reduce the hydraulic radius, again decreasing flow velocities.
  • The hydraulic radius is the cross sectional area of the flow divided by the wetted perimeter.

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18
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