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File:Maquina vapor Watt ETSIIM.jpg The steam engine , the 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 practice of using natural science , mathematics , and the engineering design process to solve technical problems, increase efficiency and productivity, and improve systems. Modern engineering comprises many subfields which include designing and improving infrastructure , machinery , vehicles , electronics , materials , and energy systems.
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". (Full article... )
Engineers , as practitioners of engineering , are professionals who invent , design , analyze, build and test machines , complex systems , structures , gadgets and materials to fulfill functional objectives and requirements while considering the limitations imposed by practicality, regulation, safety and cost. The word engineer (Latin ingeniator , the origin of the Ir. in the title of engineer in countries like Belgium and The Netherlands) is derived from the Latin words ingeniare ("to contrive, devise") and ingenium ("cleverness"). The foundational qualifications of a licensed professional engineer typically include a four-year bachelor's degree in an engineering discipline , or in some jurisdictions, a master's degree in an engineering discipline plus four to six years of peer-reviewed professional practice (culminating in a project report or thesis) and passage of engineering board examinations. (Full article... )
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The page "Portal:Engineering/Selected picture/14 " does not exist.
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These are Good articles , which meet a core set of high editorial standards.
Image 1 Error creating thumbnail: Major General Kenneth D. Nichols Kenneth David Nichols CBE (13 November 1907 – 21 February 2000) was an officer in the United States Army, and a civil engineer who worked on the secret Manhattan Project, which developed the atomic bomb during World War II. He served as Deputy District Engineer to James C. Marshall, and from 13 August 1943 as the District Engineer of the Manhattan Engineer District. Nichols led both the uranium production facility at the Clinton Engineer Works at Oak Ridge, Tennessee, and the plutonium production facility at Hanford Engineer Works in Washington state. Nichols remained with the Manhattan Project after the war until it was taken over by the Atomic Energy Commission in 1947. He was the military liaison officer with the Atomic Energy Commission from 1946 to 1947. After briefly teaching at the United States Military Academy at West Point, he was promoted to major general and became chief of the Armed Forces Special Weapons Project, responsible for the military aspects of atomic weapons, including logistics, handling and training. He was deputy director for the Atomic Energy Matters, Plans and Operations Division of the Army's general staff, and was the senior Army member of the military liaison committee that worked with the Atomic Energy Commission. (Full article...)
Image 1 Major General Kenneth D. Nichols
Kenneth David Nichols CBE (13 November 1907 – 21 February 2000) was an
officer in the
United States Army , and a
civil engineer who worked on the secret
Manhattan Project , which developed the
atomic bomb during
World War II . He served as Deputy District Engineer to
James C. Marshall , and from 13 August 1943 as the District Engineer of the
Manhattan Engineer District . Nichols led both the uranium production facility at the
Clinton Engineer Works at
Oak Ridge, Tennessee , and the plutonium production facility at
Hanford Engineer Works in
Washington state .
Nichols remained with the Manhattan Project after the war until it was taken over by the
Atomic Energy Commission in 1947. He was the military liaison officer with the Atomic Energy Commission from 1946 to 1947. After briefly teaching at the
United States Military Academy at West Point, he was promoted to major general and became chief of the
Armed Forces Special Weapons Project , responsible for the military aspects of atomic weapons, including logistics, handling and training. He was deputy director for the Atomic Energy Matters, Plans and Operations Division of the Army's general staff, and was the senior Army member of the military liaison committee that worked with the Atomic Energy Commission. (
Full article... )
Image 2 File:Sinclair C5 with high vis mast.jpg The Sinclair C5 is a small one-person battery electric recumbent tricycle, technically an "electrically assisted pedal cycle". It was the culmination of Sir Clive Sinclair's long-running interest in electric vehicles. Although widely described as an "electric car", Sinclair characterised it as a "vehicle, not a car". Sinclair had become one of the UK's best-known millionaires, and earned a knighthood, on the back of the highly successful Sinclair Research range of home computers in the early 1980s. He hoped to repeat his success in the electric vehicle market, which he saw as ripe for a new approach. The C5 emerged from an earlier project to produce a small electric car called the C1. After a change in the law, prompted by lobbying from bicycle manufacturers, Sinclair developed the C5 as an electrically powered tricycle with a polypropylene body and a chassis designed by Lotus Cars. It was intended to be the first in a series of increasingly ambitious electric vehicles, but the development of the follow-up C10 and C15 models never progressed further than the drawing board, mostly due to the poor public response to the C5. (Full article...)
Image 2 File:Sinclair C5 with high vis mast.jpg The
Sinclair C5 is a small one-person
battery electric recumbent tricycle , technically an "electrically assisted pedal cycle". It was the culmination of Sir
Clive Sinclair 's long-running interest in electric vehicles. Although widely described as an "electric car", Sinclair characterised it as a "vehicle, not a car".
Sinclair had become one of the UK's best-known millionaires, and earned a
knighthood , on the back of the highly successful
Sinclair Research range of home computers in the early 1980s. He hoped to repeat his success in the electric vehicle market, which he saw as ripe for a new approach. The C5 emerged from an earlier project to produce a small electric car called the C1. After a change in the law, prompted by lobbying from bicycle manufacturers, Sinclair developed the C5 as an electrically powered tricycle with a
polypropylene body and a chassis designed by
Lotus Cars . It was intended to be the first in a series of increasingly ambitious electric vehicles, but the development of the follow-up C10 and C15 models never progressed further than the drawing board, mostly due to the poor public response to the C5. (
Full article... )
Image 3 File:Nercmap.JPG The two major and three minor NERC interconnections, and the nine NERC Regional Reliability Councils. Hydro-Québec's electricity transmission system (also known as the Quebec interconnection) is an international electric power transmission system centred in Quebec, Canada. The system pioneered the use of very high voltage 735-kilovolt (kV) alternating current (AC) power lines that link the population centres of Montreal and Quebec City to distant hydroelectric power stations like the Daniel-Johnson Dam and the James Bay Project in northwestern Quebec and the Churchill Falls Generating Station in Labrador (which is not part of the Quebec interconnection). The system contains more than 34,187 kilometres (21,243 mi) of lines and 530 electrical substations. It is managed by Hydro-Québec TransÉnergie, a division of the crown corporation Hydro-Québec and is part of the Northeast Power Coordinating Council. It has 17 interconnectors with the systems in Ontario, Newfoundland and Labrador, New Brunswick, and the Northeastern United States, and features 6,025 megawatts (MW) of interconnector import capacity and 7,974 MW of interconnector export capacity. (Full article...)
Image 3 File:Nercmap.JPG The two major and three minor NERC interconnections, and the nine NERC Regional Reliability Councils. Hydro-Québec's electricity transmission system (also known as the
Quebec interconnection ) is an international
electric power transmission system centred in
Quebec , Canada. The system pioneered the use of very
high voltage 735-
kilovolt (kV)
alternating current (AC) power lines that link the population centres of
Montreal and
Quebec City to distant
hydroelectric power stations like the
Daniel-Johnson Dam and the
James Bay Project in northwestern Quebec and the
Churchill Falls Generating Station in
Labrador (which is not part of the Quebec interconnection).
The system contains more than 34,187 kilometres (21,243 mi) of lines and 530
electrical substations . It is managed by Hydro-Québec TransÉnergie, a division of the
crown corporation Hydro-Québec and is part of the
Northeast Power Coordinating Council . It has 17
interconnectors with the systems in
Ontario ,
Newfoundland and Labrador ,
New Brunswick , and the
Northeastern United States , and features 6,025
megawatts (MW) of interconnector import capacity and 7,974 MW of interconnector export capacity. (
Full article... )
Image 4 A
voltage doubler is an electronic circuit which charges capacitors from the input voltage and switches these charges in such a way that, in the ideal case, exactly twice the voltage is produced at the output as at its input.
The simplest of these circuits is a form of
rectifier which take an AC voltage as input and outputs a doubled DC voltage. The switching elements are simple diodes and they are driven to switch state merely by the alternating voltage of the input. DC-to-DC voltage doublers cannot switch in this way and require a driving circuit to control the switching. They frequently also require a switching element that can be controlled directly, such as a
transistor , rather than relying on the voltage across the switch as in the simple AC-to-DC case. (
Full article... )
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The following are images from various Engineering-related articles on Wikipedia.
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Mai Lee Chang (edit | talk | history | links | watch | logs | tools ) by JamieF (talk · contribs · new pages (3) ) started on 2024-03-06, score: 20
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