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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. 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 .

  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. Minesto - Wikipedia

    en.wikipedia.org/wiki/Minesto

    This turbine had a wingspan of 3.0 m, a 1:4 prototype of a turbine with 12 m wingspan and 1 m rotor diameter. [ 4 ] [ 7 ] The kite was anchored to the seabed by a 27 m long tether, and flew in a loop approximately 20 m across the flow direction and 3 m high, with the highest point approximately 7 m below the surface.

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