Die experimenta in Heilbronn ist eine Lern- und Erlebniswelt. Im Frühjahr 2019 wurde das Science Center um einen spektakulären Neubau des Architekturbüros Sauerbruch Hutton erweitert.
Foto © TTC Timmler Technology/Arnulf Hettrich
Das Gravivent-System ist für den Besucher der experimenta praktisch unsichtbar. Lediglich die filigranen Luftdurchlässe in Bodennähe verraten die innovative Kühltechnik.
Foto © TTC Timmler Technology/Arnulf Hettrich
Die innovative Kühltechnologie ordnet sich der Architektur unter, so dass man sie praktisch nicht sieht. Dies ist ein wichtiges Kriterium für das Diamant-Zertifkat der Deutschen Gesellschaft für Nachhaltiges Bauen (DGNB), das in erster Linie die architektonischen Qualitäten bewertet.
© TTC Timmler Technology/Arnulf Hettrich
Der Designanspruch der Architekten Sauerbruch Hutton verlangte rahmenlose Luftdurchlässe mit funktionalem Zusatzanspruch. Die Luftdurchlässe müssen einen schnellen Zugriff auf versteckt dahinter verlaufende Elektro- und Datenkabel möglich machen.
© TTC Timmler Technology/Arnulf Hettrich
Auch die Entwässerungsrinnen im Bereich der Wasserspiele sind eine perfekte Lösung von TTC Technology. Sie winden sich mitten durch den Raum und passen trotz unterschiedlichster Winkel perfekt zusammen.
© TTC Timmler Technology/Arnulf Hettrich
Das Funktionsprinzip der TTC Kühl-Units beruht auf dem Naturgesetz unterschiedlicher Luftdichte von warmer und kalter Luft. Die warme Raumluft an der Decke strömt durch Kühl-Units an der Decke. Die abgekühlte Luft gelangt durch den Fallschacht wieder in den Raum.
© TTC Timmler Technology/Ines Heimbuch

experimenta - Innovative Gravity Cooling in the Science Center

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Dirección
Experimenta-Platz, 74072 Heilbronn, Alemania
Año
2019
Coste
No divulgado
Pisos
No divulgado
Cliente
Schwarz Real Estate
Architektur
Sauerbruch Hutton
General Construction Management
Drees & Sommer
Zertifizierung
DGNB
Gravity cooling, air diffusers, drainage channels
TTC Timmler Technology, Flamersheim

The trend is clear. Building owners and investors are focusing on sustainability. What is good for the climate and image also promotes the value of a property. The DGNB has now awarded the highest sustainability criterion in platinum and diamond to a special showpiece property of Schwarz Real Estate, which realizes building projects of the Dieter Schwarz Foundation. The experimenta in Heilbronn is thus one of the first four buildings with this highest certification, the first in the category museums. Spectacular architecture and a technology that declares the conservation of resources to be its top priority made this assessment possible in the first place. The focus is on silent gravity cooling based on the proven Gravivent system, a development of the company TTC Timmler Technology from North Rhine-Westphalia.

"Air conditioning does a good job when you can't see it, don't hear it and don't feel the exchange of air," says managing director Siegfried Timmler. Only the result counts - namely the comfortable temperature. The gravity cooling system at experimenta in Heilbronn works according to a proven principle, which TTC Timmler Technology has transferred to the present day with contemporary features. The innovative building air conditioning is thus itself a technically outstanding solution worthy of a museum building. For the architects it was therefore an important building block on the way to a thoroughly sustainable project, because it consumes hardly any energy during operation and can be completely dismantled at the end of the product life cycle. Moreover, it blends into the architecture in such a way that it is practically invisible. This is an important criterion for the Diamond Certificate of the German Sustainable Building Council (DGNB), which primarily evaluates architectural qualities.

experimenta as a beacon project:
The reference list of TTC Technology is long: whether it's the Federal Chancellery, television studios or airport terminals - wherever comfort meets innovation, gravity cooling is an ideal solution. With the Sience Center in Heilbronn, another showcase project is now being added. The experimenta is a world of learning and experience that has its origins in a former warehouse building. In 2019, the Science Center was extended by a spectacular new building. Here, natural science and technology become tangible for people of all ages. More than 2,500 visitors a day can learn in a refreshing and by no means instructive way.
The body temperature of larger groups of people often poses a great challenge to air conditioning technology. Especially since the client had defined a clear objective from the very beginning: it should not only be a technically well thought-out building concept, but above all an ecologically exemplary one. And not just for reasons of the DGNB certification that was being sought. It was also Schwarz Real Estate's claim to create a property that would show new ways and serve as a role model far beyond the region as a lighthouse project through exemplary building management. With Dress & Sommer a leading European consulting, planning and project management company was brought on board. Among other things, the planners developed the energy and sustainability concept, accompanied the construction project as DGNB auditors and assumed overall responsibility for management, planning and construction supervision from a single source. "Bringing together sophisticated architecture, innovation and visible technologies under the premise of sustainability is the highlight of the project," says Prof. Michael Bauer, Partner at Drees & Sommer.

High heat loads demand an efficient cooling system:
The experts relied on the Gravivent silent gravity cooling system from TTC Technology. The extremely high internal loads of the exhibits and media technology require a powerful cooling system, which should also be largely invisible for architectural reasons. On the four floors, a total wall length of only 179 metres was available for equipping with the high-performance AASI.51 units. The coolers are controlled according to the wet bulb temperature and are operated by sliding. The flow temperature of the cooling water is 15 degrees, and the water is returned at 17 degrees. This temperature delta is sufficient to push the specified room temperature to a maximum of 26 degrees at any time. "The system is highly energy-efficient, low-noise and low-maintenance and is perfectly suited to the high walls of the experimenta and the selected ventilation concept," says project manager Jürgen Behringer with conviction.

There are many building blocks that make the experimenta what it is: an all-round exemplary building. The glass façade provides natural light; this saves lighting energy. To make heat and cooling loads possible

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