DLR-CSP-MTF

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DLR – Solar Tower – Multifocus Tower

TA66 – DLR-CSP-MTF 

Location

Im Langenbroich 13

52428 Jülich,  Germany 

Description

The Multifocus Tower Juelich contains three independently usable test chambers (floor space 64m²). Each test chamber can be used for test rigs with a heat flux of up to 1 MW/m² and a thermal power of up to 2 MW limited by the available cooling water. Test rigs can have a weight of up to 100 tons. A four-ton lift is available for bringing in parts of the experiments. Maximum aperture sizes can reach 4m x 4.5m. A radiation shield is available. Power supply for the test rigs is also available (three-phase AC with more than 100 kW for each chamber) as well as pressurised air and 2l/s tap water. Technical gases are supplied by an outdoor gas storage (nitrogen, hydrogen, oxygen, carbon dioxide, technical air, methane). Optical and infrared cameras are installed for experiment supervision. The Multifocus Tower team can provide technical, engineering and scientific support. This includes the planning of experiments, the design of the test rigs and radiation shields. Simulations of the expected flux distribution as well as thermal simulations can also be performed. Furthermore, users can receive assistance with the erection and the disassembly of the test rigs.

Testing Capabilities

The main service offered is the irradiation of test rigs at the test chambers with the specified flux and/or total power. Currently installed test setups use different heat transfer mediums (particles up to 900 °C, molten salt up to 600 °C, air up to 680 °C). Installation of test rigs with other temperature ranges and/or heat transfer mediums is possible too. Parts of those rigs belong to the infrastructure and can be used for other experiments too. The heliostat field control system can be individually adapted and extended for special needs of the test rigs. Flux measurement and infrared measurement (MWIR, LWIR) can be performed and evaluated.

Technical Equipment

Power supply for the test rigs is available (three-phase AC with more than 100 kW for each chamber) as well as pressurised air and 2l/s tap water. Technical gases are supplied by an outdoor gas storage (nitrogen, hydrogen, oxygen, carbon dioxide, technical air, methane). Optical and infrared cameras are installed for experiment supervision.

Additional information

Technology Readiness Level: 7 or above

Special considerations: N/A 

Technology clusters: CSP/STE

Website: https://www.dlr.de/en/sf/research-and-transfer/research-infrastructure/julich-solar-towers

Availability: All year

Provision of tools to prepare data sets in a FAIR way:  Yes 

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