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  2. Chernobyl Nuclear Power Plant sarcophagus - Wikipedia

    en.wikipedia.org/wiki/Chernobyl_Nuclear_Power...

    Covering of the turbine hall; Mounting of a high-rise buttress wall; Erection of supports and installation of a reactor compartment covering; The installation of a ventilation system. More than 400,000 cubic metres (14,000,000 cu ft) of concrete and 7,300 tonnes of metal framework were used during the erection of the sarcophagus. [2]

  3. Attic fan - Wikipedia

    en.wikipedia.org/wiki/Attic_fan

    An attic fan installed underneath a roof A powered attic ventilator , or attic fan , is a ventilation fan that regulates the heat level of a building's attic by exhausting hot air. A thermostat is used to automatically turn the fan off and on, while sometimes a manual switch is used.

  4. Passive ventilation - Wikipedia

    en.wikipedia.org/wiki/Passive_ventilation

    A roof turbine ventilator, colloquially known as a 'Whirly Bird' is an application of wind driven ventilation. Passive ventilation is the process of supplying air to and removing air from an indoor space without using mechanical systems.

  5. RBMK - Wikipedia

    en.wikipedia.org/wiki/RBMK

    The design and reliability of the turbines earned them the State Prize of Ukraine for 1979. The Kharkiv turbine plant (now Turboatom) later developed a new version of the turbine, K-500-65/3000-2, in an attempt to reduce use of valuable metal. The Chernobyl plant was equipped with both types of turbines; Block 4 had the newer ones.

  6. Turbine inlet air cooling - Wikipedia

    en.wikipedia.org/wiki/Turbine_Inlet_Air_Cooling

    Moreover, the extra inlet-cooling kilowatt uses less fuel than the new turbine kilowatt due to the lower heat-rate (higher efficiency) of the chilled turbine. Other benefits may include the incrementation of steam mass flow in a combined cycle, the reduction of turbine emissions (SOx, NO x, CO 2), [21] and increase in power-to-installed volume ...

  7. Heather Graham Rocks a Bikini in the Snow to Ring in 2025 ...

    www.aol.com/heather-graham-rocks-bikini-snow...

    Heather Graham is running hot on a New Year's vacation!. The actress, who will celebrate her 55th birthday later this month, rung in 2025 on Instagram as she posed in a navy-blue bikini in a hot ...

  8. Amazon donating $1 million to Trump inaugural fund, to air ...

    www.aol.com/news/amazon-donating-1-million-trump...

    (Reuters) - Amazon is donating $1 million to U.S. President-elect Donald Trump's inaugural fund and the company will air the event on its Prime Video service, an Amazon spokesperson said on Thursday.

  9. Ridge vent - Wikipedia

    en.wikipedia.org/wiki/Ridge_vent

    A ridge vent is a type of vent installed at the peak of a sloped roof which allows warm, humid air to escape a building's attic. Ridge vents are most common on shingled residential buildings. Ridge vents are also used in industrial warehouses to help release the hot air and help circulate comfortable air inside the building .

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