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Excellent visibility for top performance

Excellent visibility for top performance

Сase studies

Athletes need well-lit conditions, not only in competitions or at night, but anytime they are skateboarding, climbing, skiing or swimming. In poorly lit conditions, even small bumps can become dangerous obstacles or cause a missed handgrip. “Sports facilities should be illuminated without hard cast shadow zones, with light that’s neither flickering nor blinding,” says graduate engineer Frank Wieland Roedel, Head of Sports & Area Lighting at Siteco. “As with all large areas, the energy efficiency of the lighting technology plays a major role in sports venues.”


Skate park in Karlsruhe. Floodlight 20 midi LED lights are now in place to provide flicker-free light, without any run-up time that is typically associated with discharge lamps. Source: Osram

The uniform and energy-efficient illumination of a large area is a complex task with different solutions depending on the situation. Floodlights can be distributed over the area or be arranged around the area to be illuminated. “For instance, floodlights distributed over the area of a soccer field are not a viable option,” says Roedel. Instead, the lighting technology must be arranged around the field. “We then select the most suitable lighting technology to accommodate on-site conditions,” explains the lighting expert. The Floodlight 20 LED system of the Osram subsidiary is frequently chosen for sports facilities.

Asymmetrical light distribution
The system, which was recognized with the 2015 iF DESIGN AWARD, is exceptionally powerful, and, because it can be fitted with 15 different matching LED/lens systems, it stands out for its high flexibility. “This enables us to always achieve optimum illumination results for defined application geometries, whether in parking lots, large logistical areas, roads or sports venues,” says Roedel. Asymmetrical floodlights are used, for example, on soccer fields. In technological terms, they are small optical masterpieces: “They require very good LEDs, excellent optics design and outstanding optical materials,” Roedel says.


Ski slope in Horn, Switzerland. The new system comprising 21 Floodlight 20 maxi lights now ensures the uniform illumination of the slope, with optimal visibility for skiers. Source: Osram

High image accuracy
The special optics, which Siteco develops in-house and produces with PLEXIGLAS® via an injection molding process, ensure optimal light distribution for the various LED/lens systems. The brand-name polymethyl methacrylate (PMMA) by Evonik has outstanding light transmitting properties and enables precise image accuracy with the sophisticated lens design. “PLEXIGLAS®, with its superior resistance to weathering, is the material of choice for optics in outdoor applications. Moisture, sunlight and temperature cycles hardly affect the material’s properties; luminaires therefore provide a constant, high quality of light for many years,” says René Kogler, product manager at Evonik. Accordingly, the material is ideally suited for the various climatic conditions encountered in sports facilities–dry in a climbing hall, cold on a ski slope, sunny in a skate park, or moist in a swimming pool complex.

Efficient area lighting
In addition, the LED technology stands out for its low energy consumption. “That’s a decisive argument for large areas, which is currently prompting many sports venues to update their lighting technology,” says lighting expert Roedel. The Floodlight 20 LED system reduces the so-called light pollution above athletic facilities and enables more efficient and homogeneous illumination than its predecessors. The optical quality and weathering resistance of PLEXIGLAS® results in illumination that enables ideal competitive conditions and peak athletic performance in sports venues, while also protecting the environment.


The swimming pool complex in Årnes, Norway. To ensure glare-free lighting, the floodlights were fitted with reflectors. Source: Osram

Two brands, one product
Evonik is a worldwide manufacturer of PMMA products sold under the PLEXIGLAS® trademark on the European, Asian, African and Australian continents and under the ACRYLITE® trademark in the Americas.

About Evonik
Evonik is one of the world leaders in specialty chemicals. The focus on more specialty businesses, customer-orientated innovative prowess and a trustful and performance-oriented corporate culture form the heart of Evonik’s corporate strategy. They are the lever for profitable growth and a sustained increase in the value of the company. Evonik benefits specifically from its customer proximity and leading market positions.

Evonik is active in over 100 countries around the world with more than 36,000 employees. In fiscal 2017, the enterprise generated sales of €14.4 billion and an operating profit (adjusted EBITDA) of €2.36 billion.

About Performance Materials
The Performance Materials Segment is managed by Evonik Performance Materials GmbH. The segment focuses its global activities on developing and manufacturing polymer materials and intermediates, especially for use in agriculture and in the rubber and plastics industry. In 2017, the segment’s roughly 4,400 employees generated sales about €3.8 billion.

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