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The fairway depth of a river varies with the season, so some standardized depth value is used, usually the one corresponding to the low navigable water level (LNWL) defined as the water level that the river stays above during almost the entire navigation season: statistically, the level shall stay below the LNWL for 20 ice-free days per year ...
Vivari Channel in Albania links Lake Butrint with the Straits of Corfu. In physical geography and hydrology, a channel is a landform on which a relatively narrow body of water is situated, such as a river, river delta or strait. While channel typically refers to a natural formation, the cognate term canal denotes a similar artificial structure.
A business will then need to consider which channel is more cost-effective and productive in terms of timely delivery, efficiency, pricing policy, and where it stands among competitors; for example, overall feedback, higher rating, and higher demand from customers.
The depth of flow is the same at every section of the channel. Uniform flow can be steady or unsteady, depending on whether or not the depth changes with time, (although unsteady uniform flow is rare). Varied flow. The depth of flow changes along the length of the channel. Varied flow technically may be either steady or unsteady.
Before designing a distribution system, the supplier needs to determine what distribution channel to achieve in broad terms. The approach to distributing products or services depends on a number of factors including the type of product, especially perishability; the market served; the geographic scope of operations and the firm's overall mission and vision.
Active destocking explains why some companies can see a strong dip in sales while their end markets are fairly stable. If the supply chain between a company and its end-customer would have a stock depth of "250 days' sales", meaning that it takes at least 250 days for a molecule to travel from a company's warehouse to the final consumer, and if each firm in such a 250-day supply chain decides ...
Parshall flumes require a drop in elevation through the flume. To accommodate the drop in an existing channel either the flume must be raised above the channel floor (raising the upstream water level) or the downstream channel must be modified. As with weirs, flumes can also have an effect on local fauna. Some species or certain life stages of ...
For the limiting case of a very wide duct, i.e. a slot of width b, where b ≫ a, and a is the water depth, then D H = 4a. For a fully filled duct or pipe whose cross-section is a convex regular polygon , the hydraulic diameter is equivalent to the diameter D {\displaystyle D} of a circle inscribed within the wetted perimeter .