Test of a Mini-Mirror Array for Solar Concentrating Systems
Göttsche, Joachim and Hoffschmidt, Bernhard and Schmitz, Stefan and Sauerborn, Markus and Rebholz, Christian and Ifland, David and Badstübner, Karin and Buck, Reiner and Teufel, Edgar (2008) Test of a Mini-Mirror Array for Solar Concentrating Systems. In: EUROSUN 2008. EUROSUN 2008, 2008-10-07 - 2008-10-10, Lissabon (Portugal).
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To reduce the construction costs of solar tower power plants an innovative new mirror system with mini mirrors is on the way as an uncommon alternative to the currently used heliostats with huge surface (actual up to 120m²). An about (0.6 x 0.6) m miniature test unit has now been con-structed. This first demonstration unit at first consists of a boxed array of 25 small parallel ar-ranged mirrors with a size of (10 x 10) cm each. All mirrors are linked by an agile, crossed stick stage with an integrated drive system to move them simultaneously into all necessary positions. This specimen, developed in cooperation with all partners, will be tested in the specially pre-pared artificial sun of the SIJ in different ways under changing conditions. In a simulation an optimum field layout was calculated. With this data a theoretical comparison was made between a typical existing huge heliostat and the developed mini-mirror array unit with respect to the efficiency and cost-performance relations for a solar tower power plant.
|Document Type:||Conference or Workshop Item (Speech, Paper)|
|Title:||Test of a Mini-Mirror Array for Solar Concentrating Systems|
|Journal or Publication Title:||EUROSUN 2008|
|In ISI Web of Science:||No|
|Keywords:||mini mirror array, solar tower, solar power, heliostat, field layout, raytracing|
|Event Title:||EUROSUN 2008|
|Event Location:||Lissabon (Portugal)|
|Event Type:||international Conference|
|Event Dates:||2008-10-07 - 2008-10-10|
|HGF - Research field:||Energy|
|HGF - Program:||Renewable Energies|
|HGF - Program Themes:||E SF - Solar research|
|DLR - Research area:||Energy|
|DLR - Program:||E SF - Solar research|
|DLR - Research theme (Project):||E - Solare Hochtemperatursysteme (old)|
|Institutes and Institutions:||Institute of Technical Thermodynamics > Solar Research|
|Deposited By:||Dr.-Ing. Reiner Buck|
|Deposited On:||28 Jan 2009|
|Last Modified:||27 Apr 2009 15:46|
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