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Solidification of high temperature molten salts for thermal energy storage systemsThe solidification of phase change materials for the high temperature thermal energy storage system of an advanced solar thermal power system has been examined theoretically. In light of the particular thermophysical properties of candidate phase change high temperature salts, such as the eutectic mixture of NaF - MgF2, the heat transfer characteristics of one-dimensional inward solidification for a cylindrical geometry have been studied. The Biot number for the solidified salt is shown to be the critical design parameter for constant extraction heat flux. A fin-on-fin design concept of heat transfer surface augmentation is proposed in an effort to minimize the effects of the salt's low thermal conductivity and large volume change upon fusing.
Document ID
19810054657
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Sheffield, J. W.
(Missouri-Rolla, University Rolla, MO, United States)
Date Acquired
August 11, 2013
Publication Date
June 1, 1981
Subject Category
Energy Production And Conversion
Report/Patent Number
AIAA PAPER 81-1049
Meeting Information
Meeting: Thermophysics Conference
Location: Palo Alto, CA
Start Date: June 23, 1981
End Date: June 25, 1981
Sponsors: American Institute of Aeronautics and Astronautics
Accession Number
81A39061
Distribution Limits
Public
Copyright
Other

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