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Development of media for dynamic latent heat storage for the low-temperature range. Part 1: Thermal analyses of selected salt hydrate systemsPhase change temperatures and phase change enthalpies of seventeen salt hydrates, three double salts, and four eutectics were measured thermodynamically and the results reported herein. Good results were obtained, especially for congruently melting salt hydrates. Incongruently melting salt hydrates appear less suitable for heat storage applications. The influence of the second phase - water, acid and hydroxide - to the latent heat is described. From these results, basic values of the working temperatures and storage capabilities of various storage media compositions may be derived.
Document ID
19850011200
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Authors
Kanwischer, H. (NASA Headquarters Washington, DC United States)
Tamme, R. (NASA Headquarters Washington, DC United States)
Date Acquired
September 5, 2013
Publication Date
January 1, 1985
Subject Category
Energy Production And Conversion
Report/Patent Number
NASA-TM-77778
DFVLR-FB-84-03-PT-1
NAS 1.15:77778
Report Number: NASA-TM-77778
Report Number: DFVLR-FB-84-03-PT-1
Report Number: NAS 1.15:77778
Accession Number
85N19510
Funding Number(s)
CONTRACT_GRANT: NASW-4004
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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