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Hydraulics is a technology and applied science using engineering, chemistry, and other sciences involving the mechanical properties and use of liquids. At a very basic level, hydraulics is the liquid counterpart of pneumatics, which concerns gases. Fluid mechanics provides the theoretical foundation for hydraulics, which focuses on the applied engineering using the properties of fluids. In its fluid power applications, hydraulics is used for the generation, control, and transmission of power by the use of pressurized liquids. Hydraulic topics range through some parts of science and most of engineering modules, and cover concepts such as pipe flow, dam design, fluidics and fluid control circuitry. The principles of hydraulics are in use naturally in the human body within the vascular system and erectile tissue. Free surface hydraulics is the branch of hydraulics dealing with free surface flow, such as occurring in rivers, canals, lakes, estuaries and seas. Its sub-field open-channel flow studies the flow in open channels.
Thomas Savery was an English inventor and engineer, born at Shilstone, a manor house near Modbury, Devon, England. He invented the first commercially used steam-powered device, a steam pump which is often referred to as an "engine", although it is not technically an engine. Savery's steam pump was a revolutionary method of pumping water, which solved the problem of mine drainage and made widespread public water supply practicable.
Mechanization is the process of changing from working largely or exclusively by hand or with animals to doing that work with machinery. In an early engineering text a machine is defined as follows:
Every machine is constructed for the purpose of performing certain mechanical operations, each of which supposes the existence of two other things besides the machine in question, namely, a moving power, and an object subject to the operation, which may be termed the work to be done. Machines, in fact, are interposed between the power and the work, for the purpose of adapting the one to the other.
New Zealand flax describes the common New Zealand perennial plants Phormium tenax and Phormium colensoi, known by the Māori names harakeke and wharariki respectively. Although given the common name 'flax' they are quite distinct from the Northern Hemisphere plant known as flax
Oliver Evans was an American inventor, engineer and businessman born in rural Delaware and later rooted commercially in Philadelphia. He was one of the first Americans building steam engines and an advocate of high pressure steam. A pioneer in the fields of automation, materials handling and steam power, Evans was one of the most prolific and influential inventors in the early years of the United States. He left behind a long series of accomplishments, most notably designing and building the first fully automated industrial process, the first high-pressure steam engine, and the first amphibious vehicle and American automobile.
A paper mill is a factory devoted to making paper from vegetable fibres such as wood pulp, old rags, and other ingredients. Prior to the invention and adoption of the Fourdrinier machine and other types of paper machine that use an endless belt, all paper in a paper mill was made by hand, one sheet at a time, by specialized laborers.
Darley Dale, also known simply as Darley, is a town and civil parish in the Derbyshire Dales district of Derbyshire, England, with a population of around 6,000. It lies north of Matlock, on the River Derwent and the A6 road. The town forms part of the urban area of Matlock and acts as a commuter town for workers there.
A cotton mill is a building that houses spinning or weaving machinery for the production of yarn or cloth from cotton, an important product during the Industrial Revolution in the development of the factory system.
Textile manufacture during the Industrial Revolution in Britain was centred in south Lancashire and the towns on both sides of the Pennines. In Germany it was concentrated in the Wupper Valley, Ruhr Region and Upper Silesia, in Spain it was concentrated in Catalonia while in the United States it was in New England. The main key drivers of the Industrial Revolution were textile manufacturing, iron founding, steam power, oil drilling, the discovery of electricity and its many industrial applications, the telegraph and many others. Railroads, steam boats, the telegraph and other innovations massively increased worker productivity and raised standards of living by greatly reducing time spent during travel, transportation and communications.
Vulcan Iron Works was the name of several iron foundries in both England and the United States during the Industrial Revolution and, in one case, lasting until the mid-20th century. Vulcan, the Roman god of fire and smithery, was a popular namesake for these foundries.
Joseph Bramah, born Stainborough Lane Farm, Stainborough, in Barnsley, Yorkshire, was an English inventor and locksmith. He is best known for having improved the flush toilet and inventing the hydraulic press. Along with William Armstrong, 1st Baron Armstrong, he can be considered one of the two fathers of hydraulic engineering.
Improvements to the steam engine were some of the most important technologies of the Industrial Revolution, although steam did not replace water power in importance in Britain until after the Industrial Revolution. From Englishman Thomas Newcomen's atmospheric engine, of 1712, through major developments by Scottish inventor and mechanical engineer James Watt, the steam engine began to be used in many industrial settings, not just in mining, where the first engines had been used to pump water from deep workings. Early mills had run successfully with water power, but by using a steam engine a factory could be located anywhere, not just close to a water source. Water power varied with the seasons and was not always available.
Matthew Murray was an English steam engine and machine tool manufacturer, who designed and built the first commercially viable steam locomotive, the twin cylinder Salamanca in 1812. He was an innovative designer in many fields, including steam engines, machine tools and machinery for the textile industry.
A beam engine is a type of steam engine where a pivoted overhead beam is used to apply the force from a vertical piston to a vertical connecting rod. This configuration, with the engine directly driving a pump, was first used by Thomas Newcomen around 1705 to remove water from mines in Cornwall. The efficiency of the engines was improved by engineers including James Watt, who added a separate condenser; Jonathan Hornblower and Arthur Woolf, who compounded the cylinders; and William McNaught, who devised a method of compounding an existing engine. Beam engines were first used to pump water out of mines or into canals but could be used to pump water to supplement the flow for a waterwheel powering a mill.
George Sorocold was an English civil engineer of the eighteenth century notable for pioneering work on water supplies and hydraulic power systems around Great Britan.
Cornelis Corneliszoon van Uitgeest, or Krelis Lootjes was a Dutch windmill owner from Uitgeest who invented the wind-powered sawmill, which made the conversion of log timber into planks 30 times faster than before.
Alport is a hamlet in the White Peak area of Derbyshire, England. It lies east of Youlgreave, at the confluence of the River Bradford and the River Lathkill. The oldest house in the hamlet is Monks Hall. There also used to be a pub, which was demolished thanks the construction of a main road, which leads to the A6 and towards Buxton.
A nutating disc engine is an internal combustion engine comprising fundamentally of one moving part and a direct drive onto the crankshaft. Initially patented in 1993, it differs from earlier internal combustion engines in a number of ways and uses a circular rocking or wobbling nutating motion, drawing heavily from similar steam-powered engines developed in the 19th century, and similar to the motion of the non-rotating portion of a swash plate on a swash plate engine.
The Textilfabrik Cromford in Ratingen, North Rhine-Westphalia, Germany was built in 1783 by Johann Gottfried Brügelmann. It was the first cotton spinning mill on the European mainland. Today it is an industrial museum specialising in textile history.
Paul Rapsey Hodge was an English-American inventor and mechanical engineer. He invented technological improvements used by railroad companies. He also invented a device that ground wheat and other grains into flour that could then be used by bakers, as well as a machine that turned vegetable pulp into paper that could be used by printers. His innovations were useful to many industries. He was a writer of technical manuals in both the United States and England.
References
- Wigfull, Phil. "The Romping Lion: The story of the Dakeyne Disc Engine". Archived from the original on February 9, 2012.