Term of the Road Dictionary

subcritical flow

  • Language : PIARC Road Dictionary / English
  • Theme : Roads Drainage and Sewerage
  • Definition : Free-surface flow in which the Froude number is less than unity and surface disturbances can travel upstream [Egis/Termium Plus®] Note: in subcritical flow, loss of head results in loss of water depth [Egis/PIARC].

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