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Large-scale thermal energy storage using sodium hydroxide /NaOH/A technique employing NaOH phase change material for large-scale thermal energy storage to 900 F (482 C) is described; the concept consists of 12-foot diameter by 60-foot long cylindrical steel shell with closely spaced internal tubes similar to a shell and tube heat exchanger. The NaOH heat storage medium fills the space between the tubes and outer shell. To charge the system, superheated steam flowing through the tubes melts and raises the temperature of NaOH; for discharge, pressurized water flows through the same tube bundle. A technique for system design and cost estimation is shown. General technical and economic properties of the storage unit integrated into a solar power plant are discussed.
Document ID
19780027400
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Turner, R. H.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Truscello, V. C.
(California Institute of Technology, Jet Propulsion Laboratory, Pasadena Calif., United States)
Date Acquired
August 9, 2013
Publication Date
January 1, 1977
Subject Category
Energy Production And Conversion
Meeting Information
Meeting: International Solar Energy Society
Location: Orlando, FL
Start Date: June 6, 1977
End Date: June 10, 1977
Accession Number
78A11309
Funding Number(s)
CONTRACT_GRANT: NAS7-100
Distribution Limits
Public
Copyright
Other

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