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  2. Air changes per hour - Wikipedia

    en.wikipedia.org/wiki/Air_changes_per_hour

    The actual amount of air changed in a well mixed ventilation scenario will be 63.2% after 1 hour and 1 ACH. [3] In order to achieve equilibrium pressure, the amount of return air (air leaving the space) and the amount of supply air (air entering the space) must be the same.

  3. Ventilation (architecture) - Wikipedia

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

    An axial belt-drive exhaust fan serving an underground car park. This exhaust fan's operation is interlocked with the concentration of contaminants emitted by internal combustion engines. Mechanical ventilation of buildings and structures can be achieved by the use of the following techniques: Whole-house ventilation; Mixing ventilation

  4. List of Volkswagen Group diesel engines - Wikipedia

    en.wikipedia.org/wiki/List_of_Volkswagen_Group...

    two air filters, two hot-film air mass meters, 'biturbo': two water-cooled turbochargers with electrically direct-actuated Variable Turbine Geometry (VTG) vanes (one turbo per cylinder bank) operating up to 226,000 rpm with a maximum electrically regulated boost of 2.5 bar (36 psi), two side-mounted air-to-air fan-assisted (not on Q7 ...

  5. WELL Building Standard - Wikipedia

    en.wikipedia.org/wiki/WELL_Building_Standard

    T04 Individual Thermal Control, giving personal thermal control for both heating and cooling receives each 1 point, for cooling, implementing user-adjustable thermostat, desk fan or ceiling fan, chair with mechanical cooling system, other solution that affecting PMV change of -0.5 within 15 minutes without changing the PMV for other occupants ...

  6. Hotel Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/Hotel_Pennsylvania

    The ventilation system contained 27 motors, which powered fans that ventilated the air from all of the hotel's bathrooms. In addition, a pair of 20-horsepower (15 kW) motors powered a vacuum system that collected dust from 487 openings throughout the hotel. [ 194 ]

  7. Shower - Wikipedia

    en.wikipedia.org/wiki/Shower

    A stall shower is a dedicated shower area which uses a door or curtain to contain water spray. The shower/tub format saves bathroom space and enables the area to be used for either a bath or a shower and commonly uses a sliding shower curtain or door to contain the water spray.

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