English Explanatory Dictionary

Manning formula

English dictionary entry

Meanings

name
  1. An empirical formula estimating the average velocity of a liquid flowing in a conduit that does not completely enclose the liquid, i.e. an open channel.

Word forms

Manning formula the Manning formula

Etymology

Named after the Irish engineer Robert Manning, who in 1890 redeveloped the original formulation by the French engineer Philippe Gauckler in 1867.

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