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A polynomial weir is a weir that has a geometry defined by a polynomial equation of any order n. [11] In practice, most weirs are low-order polynomial weirs. The standard rectangular weir is, for example, a polynomial weir of order zero. The triangular (V-notch) and trapezoidal weirs are of order one. High-order polynomial weirs are providing ...
Tilting Weir Animated Schematic. In order to operate, the tilting weir needs to be manually or mechanically opened and closed. Small tilting weirs are operated with hand wheels and electric motors but other methods have been employed especially for larger structures. Tilting weirs are usually controlled by human intervention but a self ...
William Weir (20 September 1865 – 8 July 1950) was a Scottish architect who specialised in the repair of ancient structures. [1]Architect William Weir. Weir left school at sixteen to become a pupil of Edinburgh architect Archibald MacPherson, while also attending the Edinburgh School of Art.
A weir is a barrier across a river. It may also refer to: Places. Canada. Weir, Quebec, an unincorporated village in Montcalm, Quebec; India. Weir, Rajasthan ...
A waste weir on a navigable canal is a slatted gate on each canal level or pound, to remove excess water and to drain the canal for repairs or for the winter shutdown. [1] This differs for a dam or reservoir, for which a waste weir is another name for a spillway , i.e. not having the boards to adjust the water height nor the paddles to drain ...
For 16 years, a suburban New York prosecutor’s office insisted it had the right man in a notorious 1996 double killing. The office tried him five times, through a series of hung juries and ...
Cromwell Weir by the side of the lock is one of the largest weirs on the Trent and marks the tidal limit of the river. [2] On 28 September 1975, during an eighty-mile, night navigation exercise in extreme weather conditions, ten members of the 131 Parachute Squadron, Royal Engineers were killed after a power failure caused the navigation lights ...
The details of the weir's construction are uncertain: a source of 1290 states that the countess had it built in 1284 and thereby damaged the salmon fishing and prevented boats from reaching Exeter; but a later source claims that her weir was built before 1272, leaving a thirty-foot gap in the centre through which boats could pass, until it was ...