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The most common type of floodlight was the metal-halide lamp, which emits a bright white light (typically 75–100 lumens/Watt). Sodium-vapor lamps are also commonly used for sporting events, as they have a very high lumen to watt ratio (typically 80–140 lumens/Watt), making them a cost-effective choice when certain lux levels must be provided. [4]
Holmium and thulium are used in very high power movie lighting models and in daylight colored metal halide lamps for area floodlighting, compact low wattage metal halide lamps, as well as stadium lighting in Europe. Gallium or lead are used in special high UV-A models for printing purposes. The mixture of the metals used defines the color of ...
A 230-volt LED filament lamp, with an E27 base. The filaments are visible as the eight yellow vertical lines. An assortment of LED lamps commercially available in 2010: floodlight fixtures (left), reading light (center), household lamps (center right and bottom), and low-power accent light (right) applications An 80W Chips on board (COB) LED module from an industrial light luminaire, thermally ...
Furthermore, it is also fitted with cooling units that span around the stadium. The cooling system can drop the temperature down to 24 degrees during matches. In addition, the latest renovation also saw the installation of LED pitch lights and a digital floodlight. [20]
The stadium in question was known as Comiskey Park, named for former White Sox owner Charles Comiskey, from its opening in 1991 until 2003, when it became U.S. Cellular Field.
Michigan Stadium was designed with footings to allow the stadium's capacity to be expanded beyond 100,000. [14] Fielding Yost envisioned a day where 150,000 seats would be needed. [ 14 ] To keep construction costs low at the time, the decision was made to build a smaller stadium than Yost envisioned but to include the footings for future expansion.
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