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Two-tiered design analysis of a radiator for a solar dynamic powered Stirling engineTwo separate design approaches for a pumped loop radiator used to transfer heat from the cold end of a solar dynamic powered Stirling engine are described. The first approach uses a standard method to determine radiator requirements to meet specified end of mission conditions. Trade-off studies conducted for the analysis are included. Justification of this concept within the specified parameters of the analysis is provided. The second design approach determines the life performance of the radiator/Stirling system. In this approach, the system performance was altered by reducing the radiator heat transfer area. Performance effects and equilibrium points were determined as radiator segments were removed. This simulates the effect of loss of radiator sections due to micro-meteoroid and space debris penetration. The two designs are compared on the basis of overall system requirements and goals.
Document ID
19900051103
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Hainley, Donald C.
(NASA Lewis Research Center; Sverdrup Technology, Inc. Cleveland, OH, United States)
Date Acquired
August 14, 2013
Publication Date
January 1, 1989
Subject Category
Spacecraft Propulsion And Power
Meeting Information
Meeting: IECEC-89
Location: Washington, DC
Country: United States
Start Date: August 6, 1989
End Date: August 11, 1989
Accession Number
90A38158
Distribution Limits
Public
Copyright
Other

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