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• tunnels and underground excavations — ▪ engineering Introduction        Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening …   Universalium

• Flow measurement — is the quantification of bulk fluid movement. Flow can be measured in a variety of ways. Positive displacement flow meters acumulate a fixed volume of fluid and then count the number of times the volume is filled to measure flow. Other flow… …   Wikipedia

• Micro hydro — in northwest Vietnam Micro hydro is a term used for hydroelectric power installations that typically produce up to 100 kW of electricity. These installations can provide power to an isolated home or small community, or are sometimes… …   Wikipedia

• Ocoee Whitewater Center — Visitor Center The Ocoee Whitewater Center, near Ducktown, Tennessee, United States, was the canoe slalom venue for the 1996 Summer Olympics in Atlanta.[1][ …   Wikipedia

• Lake Margaret Power Station, Tasmania — The Lake Margaret Power Station is the third oldest hydro electric power plant in Tasmania, Australia. It was constructed between 1911 and 1914, by the Mount Lyell Mining and Railway Company. It was sold to the Tasmanian Hydro Electric Commission …   Wikipedia

• Lock (water transport) — Canal lock and lock keeper s cottage on the Aylesbury Arm of the Grand Union Canal at Marsworth in Hertfordshire, England …   Wikipedia

• Kiewa Hydroelectric Scheme — The scheme as intended by the SECV in 1948 The Kiewa Hydroelectric Scheme is the largest hydro electric scheme in Victoria and the second largest in mainland Australia after the Snowy Mountains Scheme. The scheme is situated in the Australian… …   Wikipedia

• Sidrapong Hydel Power Station — Located at the foot hills of Arya Tea Estate at an altitude of 3,600 ft and 12 km from Darjeeling Town via Bloomfield Tea Estate; Sidrapong Hydel Power Station is the oldest Hydel Power Station or hydroelectric power plant in… …   Wikipedia

• Zanja Madre — The Zanja Madre ( Mother Ditch ) is the original aqueduct that brought water to the Pueblo de Los Angeles from the Porciuncula River. It is referred to as an open, earthen ditch which was completed by community laborers within a month of founding …   Wikipedia

• turbine — /terr bin, buyn/, n. any of various machines having a rotor, usually with vanes or blades, driven by the pressure, momentum, or reactive thrust of a moving fluid, as steam, water, hot gases, or air, either occurring in the form of free jets or as …   Universalium

• Water wheel — This article is about the machine for converting energy of flowing or falling water. For paddle wheels used to propel watercraft, see paddle wheel ship. For wheels used solely to lift water, see Noria. For factories or industries driven by water… …   Wikipedia