Water Drop

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Water Drop

 

(or overfall), in hydraulic engineering, a water-conveying structure in a conduit, floodgates, or other waterline; the structure is designed to unite two sections situated at different levels when there is a marked change in the longitudinal profile of the course. With respect to their structure, water drops are classified as step-type (the most common), in which the reaches of a channel are joined by vertical walls and horizontal areas, or steps; overhang-type; tubular-type; shaft-type; inclined-type; and combination-type. According to the nature of the water motion in them, they are classed as open, semipressurized, and pressurized. Water drops are constructed of concrete, reinforced concrete, stone, brick, metal, or wood.

References in periodicals archive ?
Set in the fall, when light plays tricks on the senses, it has one of the strongest endings in the collection: "Nameless as a waterdrop, he walks / sideways up a wall, and is taller with every step/and thinner than a flame.
At the time of A, the waterdrop extends towards an upper left direction without electric discharge.
Although he is only one molecule, he is illustrated as a "drop" of water (which is really many water molecules) for clearer visualization of his character, which is crucial to this waterdrop keyhole peep into history.
Global footwear brand ECCO has come up with a collection of children's wellies, the ingenious Waterdrop collection boots which have a range of colourful collars that keep out the wet.
Royal Doulton expands its popular Spa collection with a variety of accents and accessories to the Waterdrop and Reflection dinnerware lines.
10) The reflection of the beholder--seen as "presence"--in the surface of a waterdrop is an image that dates back at least to a metaphysical conceit.
A method for measuring aggregate stability under waterdrop impact.
With that in mind, J&A used Cadkey software to design a smaller horizontal version of its Waterdrop silencer.
John Turner is a free-lance writer and author of Exploring the Other Island, a nature guide to Long Island, and a children's book, Waylon's Wandering Waterdrop, both published by Waterline Books, Great Falls, VA 22066.
Factors affecting splash detachment are (i) raindrop erosivity, which depends on drop size, shape, and kinetic energy; (ii) target characteristics, including soil texture and other geotechnical properties, antecedent moisture content, micro-topography, and especially the presence or absence of a water film; and (iii) the behaviour of a waterdrop upon collision with a soil surface.
Missy paints out the backgound using the brush tool from the palette after some arty experiments with blends by the waterdrop tool, smearing with the finger tool, and brushing gray gradients with the brush tool.
com, allows players to move a young girl in rain gear back and forth across the screen, catching Splash the Waterdrop as he falls out of the clouds at different intervals and speeds.