Optimization and analysis of LiH thermal energy storage device configurations for space power applications

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Thermal energy storage (TES) can be used to reduce the area and mass of the heat rejection system for space-based sprint power systems. During the sprint mode power cycle, reject heat is placed into storage. The heat is then rejected to the ultimate sink over the much longer non-operational portion of the orbits, through a correspondingly smaller radiator. Preliminary analysis has shown significant weight advantage for the heat storage plus radiator concept over the radiator only concept. Thermal performance analysis and optimization of five heat sink TES configurations using LiH was completed. The configurations are: (a) LiH encapsulated spheres in ... continued below

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Pages: 22

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Siman-Tov, M.; Williams, P. & Olszewski, M. January 1, 1987.

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Description

Thermal energy storage (TES) can be used to reduce the area and mass of the heat rejection system for space-based sprint power systems. During the sprint mode power cycle, reject heat is placed into storage. The heat is then rejected to the ultimate sink over the much longer non-operational portion of the orbits, through a correspondingly smaller radiator. Preliminary analysis has shown significant weight advantage for the heat storage plus radiator concept over the radiator only concept. Thermal performance analysis and optimization of five heat sink TES configurations using LiH was completed. The configurations are: (a) LiH encapsulated spheres in the packed bed, (b) standard tube and shell arrangement with LiH on the tube side, (c) tube and shell with LiH on the shell side, (d) alternating concentric rings of LiH and heat transport fluid, and (e) parallel slabs of LiH. System performance was calculated for a wide range of parameters and included effects of prespecified internal voids, enhanced conductivity and internal fins.

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Pages: 22

Notes

NTIS, PC A02/MF A01; 1.

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  • 22. intersociety energy conversion engineering conference, Philadelphia, PA, USA, 10 Aug 1987

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  • Other: DE87010404
  • Report No.: CONF-870804-7
  • Grant Number: AC05-84OR21400
  • Office of Scientific & Technical Information Report Number: 6330085
  • Archival Resource Key: ark:/67531/metadc1212113

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • January 1, 1987

Added to The UNT Digital Library

  • July 5, 2018, 11:11 p.m.

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  • Oct. 23, 2018, 12:05 p.m.

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Siman-Tov, M.; Williams, P. & Olszewski, M. Optimization and analysis of LiH thermal energy storage device configurations for space power applications, article, January 1, 1987; United States. (digital.library.unt.edu/ark:/67531/metadc1212113/: accessed November 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.