This work reports the results of a feasibility study on commercial thermal energy storage systems for the temperature range between 200 and 450C with an investment cost goal of $25 per KWh thermal capacity. The most promising sensible and latent heat storage systems with 200 MWh capacity have been analyzed thermodynamically and economically for their suitability in large scale economically parabolic trough collector power plants. In the final selection a dual medium sensible heat storage system with concrete as storage medium has been optimized with respect to capacity, heat transfer and costs. Phase change systems consisting of different salt mixtures have been investigated. As a third option, active two tank storage systems with a molten eutectic salt as liquid medium were studied. Performance and costs results were summarized and compared.
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Anbieter: AHA-BUCH GmbH, Einbeck, Deutschland
Taschenbuch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - Economic, efficient and reliable thermal storage systems are a key need of solar thermal power plants in order to smooth out insolation changes, to permit operation during the night period and to provide an output management tool for shifting output production to periods with high revenues. Nevertheless, thermal storage development has become almost a stepchild within the international solar thermal programs. This is due to the fact, that thermal storage is less a technological problem - technologically sophisticated storage concepts have been tested successfully in the past - but a problem of system optimization and cost minimization. The very limited storage research conducted for solar thermal power 0 plants concentrated mostly on high temperature storage, starting at 400 C and 0 reaching beyond 1000 C, as required by central tower technology. On the lower end of the temperature scale, a large variety of storage projects has been conducted for house 0 heating and house cooling at temperatures ranging from ambient to 100 C and for 0 0 concentrating collectors at temperatures between 180 C and 300 C. In the meantime, commercial solar thermal plant technology has made considerable technological progress since the last R&D project on solar thermal storage had ended in 1985: Since then, more than 300 MWe of solar plants with parabolic trough collectors were installed in California and their operating temperature was increased from the 0 0 former 300 C threshold to almost 400 C. Artikel-Nr. 9783540530541
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Anbieter: Revaluation Books, Exeter, Vereinigtes Königreich
Paperback. Zustand: Brand New. 412 pages. 8.98x5.98x0.94 inches. In Stock. Artikel-Nr. x-3540530541
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