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Transform your backyard with these 12 best water features. From koi ponds to wishing wells, find elegant and natural designs that suit any outdoor style.
A satellite image of circular fields characteristic of center pivot irrigation, Kansas Farmland with circular pivot irrigation. Center-pivot irrigation (sometimes called central pivot irrigation), also called water-wheel and circle irrigation, is a method of crop irrigation in which equipment rotates around a pivot and crops are watered with sprinklers.
Fort Worth’s Trinity River water wheel initiative is facing significant changes as plans are being reworked. The project involves a machine that collects floating trash from the river.
File:Pitchback_water_wheel_schematic.png licensed with Cc-by-sa-3.0 2009-12-21T16:06:32Z Thryduulf 2000x2067 (452595 Bytes) Fixed a couple of letter spacing issues with the labels. I was unable to find a match for the for the font used, so I have replaced all the labels with ones using FreeSans.
A water wheel is a machine for converting the kinetic energy of flowing or falling water into useful forms of power, often in a watermill. A water wheel consists of a large wheel (usually constructed from wood or metal), with numerous blades or buckets attached to the outer rim forming the drive mechanism. Water wheels were still in commercial ...
In spring when water temperatures rise above 12–15 °C (54–59 °F), turions reduce their density and float to the top of the water, where they germinate and resume growth. [15] Non-dormant turion-like organs can also form in response to summer drought.
Typical efficiency of water wheels exploiting only the kinetic energy was around 30%. [1] These wheels are called stream water wheels, or kinetic water wheels. Instead, undershot water wheels are used in low head sites, like less than 1.5 m, and they also exploit the potential energy of the flow, with efficiencies of up to 84%.
The Sagebien wheel is a type of water wheel invented by Alphonse Sagebien of France, a hydrological engineer and a graduate of the École Centrale des Arts et Manufactures. It was one of the most efficient breastshot water wheel designs of its era; when working on a low head of water, the Sagebien wheel could reach efficiencies of up to 90% ...
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