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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.
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. An attic fan can be gable mounted or roof mounted. Additional ...
A prominent feature at the top of the building is three wind turbines, although they have rarely been used, [12] in part due to resident complaints over noise and vibration. The one-level basement of the building contains a secure car park and 437 bicycle storage places.
The stack effect or chimney effect is the movement of air into and out of buildings through unsealed openings, chimneys, flue-gas stacks, or other purposefully designed openings or containers, resulting from air buoyancy.
In research conducted in 2006 focusing on the impact of sound emissions from wind turbines on the nearby population, perceived infrasound has been associated to effects such as annoyance or fatigue, depending on its intensity, with little evidence supporting physiological effects of infrasound below the human perception threshold. [41]
Robins are a much loved Christmas icon, but wind turbines installed in their habitat are affecting their song, with worrying consequences. Robin hushed: wind turbines are making songbirds change ...
Three subsequent projects 150 MW Alta III, 102 MW Alta IV, and 168 MW Alta V projects were completed in the 2nd quarter of 2011 using 50, 34, and 56 3 MW Vestas V-90 wind turbines. Alta VIII and Alta VI projects, comprising 300 MW, were completed in late 2011/early 2012, but they were renamed Brookfield Tehachapi 2 and Mustang Hills respectively.
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