City Pedia Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Steam (service) - Wikipedia

    en.wikipedia.org/wiki/Steam_(service)

    In 2012, Valve announced Steam for Schools, a free function-limited version of the Steam client for schools. It was part of Valve's initiative to support gamification of learning. It was released alongside free versions of Portal 2 and a standalone program called "Puzzle Maker" that allowed teachers and students to create and manipulate levels ...

  3. Product key - Wikipedia

    en.wikipedia.org/wiki/Product_key

    A product key, also known as a software key, serial key or activation key, is a specific software-based key for a computer program. It certifies that the copy of the program is original. Product keys consist of a series of numbers and/or letters. This sequence is typically entered by the user during the installation of computer software, and is ...

  4. Supercritical steam generator - Wikipedia

    en.wikipedia.org/wiki/Supercritical_steam_generator

    Supercritical steam generator. Supercritical water exists at temperatures above 374 °C and pressures above 220 atmospheres. A supercritical steam generator is a type of boiler that operates at supercritical pressure and temperature, frequently used in the production of electric power . In contrast to a subcritical boiler in which steam bubbles ...

  5. Steam generator - Wikipedia

    en.wikipedia.org/wiki/Steam_generator

    A Steam generator is a device used to boil water to create steam. More specifically, it may refer to: Supercritical steam generator or Benson boiler, a high-pressure steam generator that operates in the supercritical pressure regime, such that no boiling takes place within it. Steam generator (auxiliary boiler), a steam-powered boiler used on ...

  6. Steam generator (boiler) - Wikipedia

    en.wikipedia.org/wiki/Steam_generator_(boiler)

    A steam generator is a form of low water-content boiler, similar to a flash steam boiler. The usual construction is as a spiral coil of water-tube, arranged as a single, or monotube, coil. Circulation is once-through and pumped under pressure, as a forced-circulation boiler. [1] The narrow-tube construction, without any large-diameter drums or ...

  7. AOL Mail

    mail.aol.com

    AOL Mail is free and helps keep you safe. From security to personalization, AOL Mail helps manage your digital life Start for free

  8. Mercury vapour turbine - Wikipedia

    en.wikipedia.org/wiki/Mercury_vapour_turbine

    Mercury vapour turbine. A mercury vapour turbine is a form of heat engine that uses mercury as the working fluid of its thermal cycle. A mercury vapour turbine has been used in conjunction with a steam turbine [1] for generating electricity. This example of combined cycle generation was not widely adopted, because of high capital cost and the ...

  9. Steam generator (railroad) - Wikipedia

    en.wikipedia.org/wiki/Steam_generator_(railroad)

    A steam generator is a type of boiler used to produce steam for climate control and potable water heating in railroad passenger cars. The output of a railroad steam generator is low pressure, saturated steam that is passed through a system of pipes and conduits throughout the length of the train. Steam generators were developed when diesel ...