Accession Number:

ADA190689

Title:

Development of Encapsulated Lithium Hydride Thermal Energy Storage for Space Power Systems,

Descriptive Note:

Corporate Author:

OAK RIDGE NATIONAL LAB TN ENGINEERING TECHNOLOGY DIV

Report Date:

1987-12-01

Pagination or Media Count:

97.0

Abstract:

Inclusion of thermal energy storage in a pulsed space power supply will reduce the mass of the heat rejection system. In this mode, waste heat generated during the brief high-power burst operation is placed in the thermal store later, the heat in the store is dissipated to space via the radiator over the much longer nonoperational period of the orbit. Thus, the radiator required is of significantly smaller capacity. Scoping analysis indicates that use of lithium hydride as the thermal storage medium results in system mass reduction benefits for burst periods as long as 800 s. A candidate design for the thermal energy storage component utilizes lithium hydride encapsulated in either 304L stainless steel or molybdenum in a packed-bed configuration with a lithium or sodium-potassium NaK heat transport fluid.

Subject Categories:

  • Energy Storage
  • Defense Systems

Distribution Statement:

APPROVED FOR PUBLIC RELEASE