Portal:Engineering

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Introduction

The steam engine, a major driver in the Industrial Revolution, underscores the importance of engineering in modern history. This beam engine is on display in the Technical University of Madrid.

Engineering is the creative application of science, mathematical methods, and empirical evidence to the innovation, design, construction, operation and maintenance of structures, machines, materials, devices, systems, processes, and organizations for the benefit of humankind. The discipline of engineering encompasses a broad range of more specialized fields of engineering, each with a more specific emphasis on particular areas of applied mathematics, applied science, and types of application. See glossary of engineering.

The term engineering is derived from the Latin ingenium, meaning "cleverness" and ingeniare, meaning "to contrive, devise".

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Aerial View of Scout Moor Wind Farm.jpg
Scout Moor Wind Farm is the second largest onshore wind farm in England. The wind farm, which was built for Peel Wind Power Ltd, produces electricity from 26 Nordex N80 wind turbines. It has a total nameplate capacity of 65 MW of electricity, providing 154,000 MW·h per year; enough to serve the average needs of 40,000 homes. The site occupies 1,347 acres (545 ha) of open moorland between Edenfield, Rawtenstall and Rochdale, and is split between the Metropolitan Borough of Rochdale in northern Greater Manchester and the Borough of Rossendale in south-eastern Lancashire. The turbines are visible from as far away as south Manchester, 15–20 miles (24–32 km) away.

A protest group was formed to resist the proposed construction, and attracted support from the botanist and environmental campaigner David Bellamy. Despite the opposition, planning permission was granted in 2005 and construction began in 2007. Although work on the project was hampered by harsh weather, difficult terrain, and previous mining activity, the wind farm was officially opened on 25 September 2008 after "years of controversy", at a cost of £50 million.


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A 1 horsepower paddlewheel aereator used in a shrimp pond in Indonesia.
Credit: Herman Gunawan

Water aeration is the process of increasing the oxygen saturation of the water.

There are several types of water meters in common use. The choice depends on the flow measurement method, the type of end user, the required flow rates, and accuracy requirements.


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