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v. t. e. In the video game industry, digital distribution is the process of delivering video game content as digital information, without the exchange or purchase of new physical media such as ROM cartridges, magnetic storage, optical discs and flash memory cards. This process has existed since the early 1980s, but it was only with network ...
Forced circulation boiler. A forced circulation boiler is a boiler where a pump is used to circulate water inside the boiler. This differs from a natural circulation boiler which relies on current density to circulate water inside the boiler. In some forced circulation boilers, the water is circulated at twenty times the rate of evaporation.
Steam is a video game digital distribution service and storefront managed by Valve. It was launched as a software client in September 2003 to provide game updates automatically for Valve's games and expanded to distributing third-party titles in late 2005. Steam offers various features, like game server matchmaking with Valve Anti-Cheat ...
A steamboat is a boat that is propelled primarily by steam power, typically driving propellers or paddlewheels. Steamboats sometimes use the prefix designation SS, S.S. or S/S (for 'Screw Steamer') or PS (for 'Paddle Steamer'); however, these designations are most often used for steamships .
Steam turbine. The rotor of a modern steam turbine used in a power plant. A steam turbine is a machine that extracts thermal energy from pressurized steam and uses it to do mechanical work on a rotating output shaft. Its modern manifestation was invented by Charles Parsons in 1884. [1] [2] Fabrication of a modern steam turbine involves advanced ...
The solution developed for high-speed steam engines was the "automatic" governor. Rather than controlling the flow rate of steam, it controlled the timing or 'cut-off' of the inlet valves. This governor was interspersed between the crankshaft and the eccentric driving the valve gear. It was often made as part of the engine's flywheel.
Steam rocket. A steam rocket (also known as a hot water rocket) is a thermal rocket that uses water held in a pressure vessel at a high temperature, such that its saturated vapor pressure is significantly greater than ambient pressure. The water is allowed to escape as steam through a rocket nozzle to produce thrust. [1]
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