Open AccessDesign considerations for concentrating solar power tower systems employing molten salt.
Author(s) -
R. Moore,
Nathan P. Siegel,
Gregory J. Kolb,
Milton E. Ver,
Clifford K. Ho
Publication year - 2010
Publication title -
osti oai (u.s. department of energy office of scientific and technical information)
Language(s) - English
Resource type - Reports
DOI - 10.2172/1008140
Subject(s) - degree rankine , thermal energy storage , molten salt , solar power , concentrated solar power , solar energy , process engineering , rankine cycle , engineering , tower , environmental science , energy storage , mechanical engineering , nuclear engineering , power (physics) , electrical engineering , civil engineering , materials science , ecology , physics , quantum mechanics , metallurgy , biology
The Solar Two Project was a United States Department of Energy sponsored project operated from 1996 to 1999 to demonstrate the coupling of a solar power tower with a molten nitrate salt as a heat transfer media and for thermal storage. Over all, the Solar Two Project was very successful; however many operational challenges were encountered. In this work, the major problems encountered in operation of the Solar Two facility were evaluated and alternative technologies identified for use in a future solar power tower operating with a steam Rankine power cycle. Many of the major problems encountered can be addressed with new technologies that were not available a decade ago. These new technologies include better thermal insulation, analytical equipment, pumps and values specifically designed for molten nitrate salts, and gaskets resistant to thermal cycling and advanced equipment designs
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