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Synlight - The world's largest artificial sun



On 23 March 2017, the DLR Institute of Solar Research initiated operations at the Synlight facility, a globally unique system. Each of its 149 Xenon short-arc lamps has the output of a large cinema projector. Together, they produce a light intensity that is 10,000 times the incident solar radiation on Earth's surface.

Exterior view of the Synlight-building. Source: DLR

Possible applications and new technical directions

The focus in the coming years is on the development of production processes for solar fuels. In addition, researchers and industrial partners in the solar thermal power plant or aerospace industries can find ideal conditions for tests using full-size components in Synlight.

Synlights’ novel modular design is unique in its use of 149 individually adjustable Xenon short-arc lamps. These enable solar radiation powers of up to 300 kilowatts and two times up to 240 kilowatts in three separately usable radiation chambers, in which a maximum flux density of more than eleven megawatts per square meter can be achieved.

Two of these three test chambers have been specially designed to meet the requirements that come with solar-chemical process development testing and offer direct access to gas scrubbers and neutralizers – a prerequisite for testing processes for the production of solar fuels. Shutters – four meters in width and height – and the room heights of five meters offer the possibility to irradiate large elements, such as spaceflight components. A fundamental feature of Synlight is its multi-focus capability, which enables the available amount of artificial solar irradiation to be used for either one large application or split among a number of small ones.

Specialists from the DLR Institute of Future Fuels assist users in the preparation and execution of the experiments.

Synlight's 149 xenon short-arc lamps. Source: DLR.

Contact
Dr.-Ing. Dmitrij Laaber
Head of large-scale research facility Synlight

German Aerospace Center

Institute of Future Fuels
, Solar process demonstration
Jülich

Tel.: +49 2203 601 2831

Related Topics
Solar Physics
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