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Experimental and Theoretical Analysis of Heat of Fusion Storage for Solar Dynamic Space Power Systems.

Weingartner, S. and Blumenberg, J. (1) (1990) Experimental and Theoretical Analysis of Heat of Fusion Storage for Solar Dynamic Space Power Systems. In: Proceedings of the 25th Intersociety Energy Conversion Engineering Conference (IECEC).. 25th Intersociety Energy Conversion Engineering Conference, 12-17 August 1990, Reno, NV, USA..

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Abstract

An experimental and theoretical analysis of heat of fusion storage hahas been performed. The storage salts LiF and LiF-MgF2 had been used for the experiments. Thermophysical data on these media was measured or could be evaluated by comparison with calculations. The presented simulation model is able to predict melt and solidification time and the heat output achievable with a given cooling condition. In order to achieve a suitable charge and discharge characteristic, the heat of fusion storage canisters should be installed around the working fluid tubes or heat pipes, which also should be the heat source for the storage unit during the charge cycle. Furthermore, possibilities to use ceramic materials have been considered. Preliminary tests with LiF indicate that the problems caused by the volume contraction of the storage salt can be solved with ceramic foams. A reduction of the storage system's mass by 25 % is expected by using Sircon foams.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=1990, pages=6,
Title:Experimental and Theoretical Analysis of Heat of Fusion Storage for Solar Dynamic Space Power Systems.
Authors:
AuthorsInstitution or Email of Authors
Weingartner, S.UNSPECIFIED
Blumenberg, J. (1)UNSPECIFIED
Date:1990
Journal or Publication Title:Proceedings of the 25th Intersociety Energy Conversion Engineering Conference (IECEC).
Status:Published
Keywords:Heat Storage, Sircon Foam, Ceramic Structure, Volume Compensation
Event Title:25th Intersociety Energy Conversion Engineering Conference, 12-17 August 1990, Reno, NV, USA.
HGF - Research field:UNSPECIFIED
HGF - Program:other
HGF - Program Themes:other
DLR - Research area:UNSPECIFIED
DLR - Program:no assignment
DLR - Research theme (Project):UNSPECIFIED
Location: Stuttgart
Institutes and Institutions:Institute of Technical Thermodynamics
Deposited By: elib DLR-Beauftragter
Deposited On:02 Apr 2006
Last Modified:27 Apr 2009 05:55

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