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Droop speed control is a control mode used for AC electrical power generators, whereby the power output of a generator reduces as the line frequency increases. It is commonly used as the speed control mode of the governor of a prime mover driving a synchronous generator connected to an electrical grid. It works by controlling the rate of power ...
Lockheed SR-71. The Pratt & Whitney J58 (company designation JT11D-20) is an American jet engine that powered the Lockheed A-12, and subsequently the YF-12 and the SR-71 aircraft. It was an afterburning turbojet engine with a unique compressor bleed to the afterburner that gave increased thrust at high speeds. Because of the wide speed range of ...
The General Electric YF120, internally designated as GE37, was a variable cycle afterburning turbofan engine designed by General Electric Aircraft Engines in the late 1980s and early 1990s for the United States Air Force 's Advanced Tactical Fighter (ATF) program. It was designed to produce maximum thrust in the 35,000 lbf (156 kN) class.
The 20-centimetre (7.9 in), 6-kilogram (13 lb) carbon fiber flywheel spins in a vacuum to eliminate friction. When partnered with a four-cylinder engine, it offers up to a 25 percent reduction in fuel consumption versus a comparably performing turbo six-cylinder, providing an 80 horsepower (60 kW) boost and allowing it to reach 100 kilometres ...
History Previous work. The AP1000 design traces its history to two previous designs, the AP600 and the System 80.. The System 80 design was created by Combustion Engineering and featured a two-loop cooling system with a single steam generator paired with two reactor coolant pumps in each loop that makes it simpler and less expensive than systems which pair a single reactor coolant pump with a ...
List of HTTP status codes - Wikipediawikipedia.org
PWR-20: United States. Last Energy is a full-service developer of small modular nuclear power projects with a goal of transforming the nuclear power industry by dramatically reducing the time and cost of construction. The company’s first product, the PWR-20 is a fully-modular SMR with all modules fitting inside of a standard shipping container.
Total cumulative emissions from 1870 to 2022 were 703 GtC (2575 GtCO 2), of which 484±20 GtC (1773±73 GtCO 2) from fossil fuels and industry, and 219±60 GtC (802±220 GtCO 2) from land use change. Land-use change , such as deforestation , caused about 31% of cumulative emissions over 1870–2022, coal 32%, oil 24%, and gas 10%.
X Development LLC, [2] [3] [4] doing business as X (formerly Google X ), [1] is an American semi-secret research and development facility and organization founded by Google in January 2010. [5] [6] X has its headquarters about a mile and a half from Alphabet's corporate headquarters, the Googleplex, in Mountain View, California.
The Sinclair ZX80 is a home computer launched on 29 January 1980 [2] by Science of Cambridge Ltd. (later to be better known as Sinclair Research ). It is notable for being one of the first computers available in the United Kingdom for less than a hundred pounds. It was available in kit form for £79.95, where purchasers had to assemble and ...
Kawasaki Ninja ZX-12R. The Kawasaki Ninja ZX-9R is a motorcycle in the Ninja sport bike series from Japanese manufacturer Kawasaki, produced from 1994 until 2003. There were five model incarnations across two basic designs. In Kawasaki's chronology the 9Rs connect to the ZX900 (Ninja, which in many markets was sold as GPZ900R) as the type ...