22 Feb 2016 / ERCO /

The Phanomenta Science Center in Ludenscheid illuminated by ERCO

The Phänomenta Science Center in Lüdenscheid, Germany, is a highly interactive and exciting science museum featuring an array of experiments, models and demonstrations, enabling participatory exploration of the world of physics, ranging from electricity and magnetism to optical and acoustic illusions.

A spectacular new construction has now expanded the existing exhibition space, consisting of an entrance building from which a 76-metre high tower emerges. This blends strikingly into the cityscape of the North Rhine Westphalian city of Lüdenscheid – location of the ERCO company headquarters since its foundation in 1934.

Report Phänomenta,Lüdenscheid

Architecture and light in unison
The lighting concept of the Phänomenta was precisely designed for the exhibition. Upon entering the museum, visitors have already become attuned to the atmospheric exhibition design characterised by light. In-ground luminaires for outdoor applications illuminate the underside of the canopy roof, lighting the entrance zone discreetly and invitingly with indirect light. Recessed luminaires in the entrance area and corridors blend discreetly into the architectural concept, providing glare-free general lighting.

Report Phänomenta,Lüdenscheid

A sophisticated lighting concept for the tower

The architects planned the tower with a rhythmic, freely constructed design, enabling it to have a different appearance according to the angle of view. A particular challenge in terms of lighting design was the illumination of the tower, and this concerned finding a solution that merely illuminated the building but not the complete surroundings. The result was intended to be unobtrusive but still impressive. In-house lighting analyses came to the conclusion that indoor lighting achieved better results than floodlighting on the outside. ERCO Powercast lighting tools were used, which are ideal for powerful accent lighting. The luminaire is dimmable, emits warm white light and has extremely precise photometric control avoiding spill light. The housing is highly durable and the luminaire features maintenance-free lighting technology, making it extremely efficient and reliable. A Foucault pendulum is suspended in the centre of the tower, its 30-metre length being almost half as long as its archetype in the Panthéon in Paris. This fixture clearly demonstrates the Earth's rotation and is located in the centre of the new exhibition.

Report Phänomenta,Lüdenscheid

From almost complete darkness to high illuminance levels

Exhibits are illuminated by ERCO tracked spotlights, complemented with downlights creating a variety of light situations. Experiments take place, for example, in almost complete darkness, and rooms contain 360° projections and installations that demand high illuminance. In the so-called Phänorama, the Skim recessed luminaire even fulfils both lighting needs: when webcams mounted to the tower project a real-time panorama of the city of Lüdenscheid onto the walls, the dimmable black downlight blends almost invisibly into the background. If the space below the pendulum tower is fitted out with chairs for events though, Skim creates pleasant lighting levels with perfect glare control. Optec spotlights with flexible applications illuminate individual exhibits in the other mainly dark exhibition rooms. The light distribution patterns are matched precisely to the size and shape of each exhibit, enabling them to arouse the curiosity of visitors as individual objects while generally guiding people in an intuitive way through the exhibition. ERCO products were also used in the old Phänomenta building – Optec spotlights illuminate the exhibition indoors, whilst Grasshopper projectors outdoors illuminate the facade with grazing light. All luminaires are digitally controllable via DALI.


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