Definition of Froude number in English:

Froude number

noun

  • A dimensionless number used in hydrodynamics to indicate how well a particular model works in relation to a real system.

    • ‘In that article I talked about ratios of length, width and depth; I talked about wave drag and Froude numbers; I used lots of boat analogies (if none of that rings a bell you need to dig your last issue out and read it before going on here).’
    • ‘As suggested here, internal Froude number may be interpreted as a measure of maneuverability.’
    • ‘From the Froude numbers he could compute the speeds of the different dinosaur species he had data for.’
    • ‘To this day, Froude numbers are used in boat design, and if you look at any boat-built-to-go-fast, from the racing shell to an America's Cup yacht, they all have the same long, sleek shape.’’
    • ‘Locomotion velocity, usually expressed as absolute distance per second, might be more appropriately measured in body lengths per second, or possibly defined as the nondimensional Froude number.’

Origin

Mid 19th century: named after William Froude (1810–79), English civil engineer.

Pronunciation:

Froude number

/ˈfroud ˌnəmbər/