This experiment in the solar furnace demonstrates the energy contained in sunlight
This ex­per­i­ment in the so­lar fur­nace demon­strates the en­er­gy con­tained in sun­light
Image 1/4, Credit: DLR (CC BY-NC-ND 3.0)

This experiment in the solar furnace demonstrates the energy contained in sunlight

In just 60 sec­onds, con­cen­trat­ed sun­light burns a hole in a one-cen­time­tre-thick steel plate. The tem-per­a­ture ris­es to 1200 de­grees Cel­sius and the en­er­gy den­si­ty at the burn­ing hole is five megawatts per square me­tre. The high-flux den­si­ty so­lar fur­nace and so­lar sim­u­la­tor of the DLR In­sti­tute of So­lar Re­search and the de­part­ment of So­lar Chem­i­cal En­gi­neer­ing in Cologne pro­duce high­ly con­cen­trat­ed so­lar and ar­ti­fi­cial light for the re­search and test­ing of new tech­nolo­gies and ma­te­ri­als.
The solar oven consists of three parts – the heliostatic mirror, the concentrator and the experimental room
The so­lar oven con­sists of three parts – the he­lio­stat­ic mir­ror, the con­cen­tra­tor and the ex­per­i­men­tal room
Image 2/4, Credit: DLR (CC BY-NC-ND 3.0)

The solar oven consists of three parts – the heliostatic mirror, the concentrator and the experimental room

The sun­light first hits the he­lio­stat mir­ror (right). This con­cen­trates the Sun's rays and sends them to the con­cen­tra­tor mir­rors (left), which di­rect the sun­light in 5000-fold con­cen­tra­tion to the ex­per­i­men­tal set­up in the build­ing. The high-flux den­si­ty so­lar fur­nace and xenon high-pow­er ra­di­a­tors of the DLR In­sti­tute of So­lar Re­search and the de­part­ment of So­lar Pro­cess En­gi­neer­ing gen­er­ate high­ly con­cen­trat­ed sun­light and ar­ti­fi­cial light for re­search­ing and test­ing new tech­nolo­gies and ma­te­ri­als.
Experiment in the solar furnace
Ex­per­i­ment in the so­lar fur­nace
Image 3/4, Credit: DLR (CC BY-NC-ND 3.0)

Experiment in the solar furnace

This ex­per­i­ment in the so­lar fur­nace demon­strates the en­er­gy con­tained in sun­light. In just 60 sec­onds, con­cen­trat­ed sun­light burns a hole in a one-cen­time­tre-thick steel plate. The tem-per­a­ture ris­es to 1200 de­grees Cel­sius and the en­er­gy den­si­ty at the burn­ing hole is five megawatts per square me­tre.
Experiment in the solar furnace
Ex­per­i­ment in the so­lar fur­nace
Image 4/4, Credit: DLR (CC BY-NC-ND 3.0)

Experiment in the solar furnace

This ex­per­i­ment in the so­lar fur­nace demon­strates the en­er­gy con­tained in sun­light. In just 60 sec­onds, con­cen­trat­ed sun­light burns a hole in a one-cen­time­tre-thick steel plate. The tem-per­a­ture ris­es to 1200 de­grees Cel­sius and the en­er­gy den­si­ty at the burn­ing hole is five megawatts per square me­tre.

The high-flux density solar furnace and solar simulator of the DLR Institute of Solar Research and the department of Solar Chemical Engineering in Cologne produce highly concentrated solar and artificial light for the research and testing of new technologies and materials. This enables researchers to conduct experiments into hydrogen production, the testing of receiver components for solar thermal power plants and irradiation tests with materials designed for use in space.

The high-flux density solar furnace and the xenon high-power spotlights operated by the German Aerospace Center (DLR) are used to generate irradiances of up to five megawatts per square metre and temperatures of over 2000 degrees Celsius.

Concentrated sunlight to test new materials for space

The focus of this large-scale facility is on experiments for solar process engineering and solar power plants. For the first time ever, researchers here have demonstrated that hydrogen can be produced using concentrated sunlight. Here, researchers are investigating ceramic receiver elements for tower power plants by testing their temperature and shock resistance.

Space research is another field of application. The material is exposed to highly concentrated solar radiation under high vacuum conditions, similar to those encountered in space. Tests with materials and components at certification level complete the range of services offered by DLR’s solar furnace. The equipment at the large-scale facility meets all of the requirements for carrying out short-duration experiments all the way up to irradiation over a period of several months under stable conditions.

Solar researchers at DLR’s solar furnace advise on and support users regarding the preparation of and running of experiments. The facility’s customers include European research institutes and industrial companies from Germany and abroad.

Contact
  • Volker Speelmann
    Head of Re­search In­fras­truc­tures
    Ger­man Aerospace Cen­ter (DLR)
    Telephone: +49 2203 601-4103
    Fax: +49 2203 601 4115
    Linder Höhe
    51147 Cologne
    Contact
  • Dr.-Ing. Hans-Gerd Dibowski
    Head of So­lar Fur­nace fa­cil­i­ty
    Ger­man Aerospace Cen­ter (DLR)
    In­sti­tute of So­lar Re­search
    So­lar chem­i­cal pro­cess de­vel­op­ment
    Telephone: +49 2203 601-3211
    Linder Höhe
    51147 Cologne

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