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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.
Wind-powered roof turbine ventilator. Mechanical attic ventilation fans may be powered in a variety of different ways. Most attic ventilators fitted to homes are powered off mains electricity. A trend towards solar-powered attic ventilators is observable in the interest of conserving electricity and lowering monthly utility bills.
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 .
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 ...
Installation of five of the 62 total Vineyard Wind 1 turbines marks a new milestone. ... Once completed, there will be 62 GE Haliade-X wind turbines generating 806 megawatts, or enough to power ...
Figure 1: Components of a centrifugal fan An external motor belt driven inline centrifugal fan discharging inline to the exterior of a building through a duct. Unlike non-inline/non-concentric impeller casing design with a cutoff blade above, the concentrically symetric cylinder casing and impeller geometry of inline type redirects the outflow around so that it is parallel to the inflow of gases.
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Whirlybirds, a television program that aired in the United States from 1957 to 1960; Attic fan (slang and brand name) Samara (fruit) (slang), the fruit of a maple tree; Paper fortune teller, a form of origami; Power trowel (slang), light construction equipment "Whirlybird", a jazz tune written by Neal Hefti featured on the Count Basie album The ...