NDLI: Astrophysical and Mineralogical Experiments in the DLR Solar Furnace

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Sauerborn, M. Neumann, A. Seboldt, W.
Copyright Year	2003
Abstract	The DLR Solar Furnace in Cologne is a facility that concentrates direct solar radiation with a concentration factor up to 5200. The energy of such concentrated solar radiation can be used to cause thermal or photochemical effects in the irradiated materials. For astrophysical and mineralogical applications a new vacuum chamber with a specific design and instrumentation for solar experiments was developed and installed at the DLR Solar Furnace. This facility enables testing of small samples under high vacuum conditions. Within a project dealing with chondrule formation (chondrules are parts of meteorites) solid samples were melted by concentrated solar radiation. The aim was to investigate and simulate a fast heating-up (“flash heating”) of the samples and a subsequent solidification by controlled cooling. Another experiment series investigates thermal reduction of samples of metal oxide and of lunar regolith simulant. The goal of this activity is to produce oxygen and eventually also pure metals by pyrolysis. The in-situ production of oxygen and metals on the moon is a key technology for future lunar bases or manned Mars missions. The first solar furnace tests within both projects showed the performance of the new vacuum chamber and the feasibility of the different investigation paths.
Sponsorship	Solar Energy Division
Starting Page	203
Ending Page	209
Page Count	7
File Format	PDF
ISBN	0791836762
DOI	10.1115/ISEC2003-44208
e-ISBN	0791836649
Volume Number	Solar Energy
Conference Proceedings	ASME 2003 International Solar Energy Conference
Language	English
Publisher Date	2003-03-15
Publisher Place	Kohala Coast, Hawaii, USA
Access Restriction	Subscribed
Subject Keyword	Pyrolysis Oxygen Cooling Metals Instrumentation Solidification Design Vacuum Furnaces Heating Solar energy Solar radiation Testing
Content Type	Text
Resource Type	Article

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