open trapezoidal weir

См. также в других словарях:

• Weir — A weir (IPAEng|wɪɚ) (also known as a lowhead dam) is a small overflow type dam commonly used to raise the level of a river or stream. Weirs have traditionally been used to create mill ponds in such places. Water flows over the top of a weir,… …   Wikipedia

• weir — /wear/, n. 1. a small dam in a river or stream. 2. a fence, as of brush or narrow boards, or a net set in a stream, channel, etc., for catching fish. [bef. 900; ME were, OE wer, deriv. of root of werian to defend, dam up] * * * ▪ engineering… …   Universalium

• Dam — This article is about structures for water impoundment. For other uses, see Dam (disambiguation). Hoover Dam, a concrete arch gravity dam in Black Canyon of the Colorado River. Lake Mead in the background is impounded by the dam …   Wikipedia

• Flume — A flume is an open artificial water channel, in the form of a gravity chute, that leads water from a diversion dam or weir completely aside a natural flow. Often, the flume is an elevated box structure (typically wood) that follows the natural… …   Wikipedia