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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. 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.

  4. Ventilation (architecture) - Wikipedia

    en.wikipedia.org/wiki/Ventilation_(architecture)

    The furnace, built on the outside of the workshop, featured earthen pipe-like air vents with hundreds of tiny holes in them and a prototype chimney to ensure air goes into the furnace to feed the fire and smoke comes out safely. [39] Passive ventilation and passive cooling systems were widely written about around the Mediterranean by Classical ...

  5. Heat recovery ventilation - Wikipedia

    en.wikipedia.org/wiki/Heat_recovery_ventilation

    Diagramatic operation of a thermal wheel Ljungström Air Preheater by Swedish engineer Fredrik Ljungström (1875–1964). A thermal wheel, also known as a rotary heat exchanger, or rotary air-to-air enthalpy wheel, energy recovery wheel, or heat recovery wheel, is a type of energy recovery heat exchanger positioned within the supply and exhaust air streams of air-handling units or rooftop ...

  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. 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 .

  8. Solar updraft tower - Wikipedia

    en.wikipedia.org/wiki/Solar_updraft_tower

    View from the tower on the roof with blackened ground below the collector. One can see the different test materials for canopy cover, and 12 large fields of unblackened ground for agricultural test area. In mid-2008, the Namibian government approved a proposal for the construction of a 400 MW solar chimney called the 'Greentower'. The tower is ...

  9. Surface condenser - Wikipedia

    en.wikipedia.org/wiki/Surface_condenser

    This "derating" of the turbine to accommodate the condenser's fouled or blocked tubing is an indication that the plant needs to clean the tubing in order to return to the turbine's nameplate capacity. A variety of methods for cleaning are available, including online and offline options, depending on the plant's site-specific conditions.

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