Second Generation Sodium Heat Pipe Receiver for a USAB V-160 Stirling Engine: Evaluation of On-Sun Test Results Using the Proposed IEA Guidelines and Analysis of Heat Pipe Damage

[+] Author and Article Information
D. Laing, C. Träbing

German Aerospace Research Establishment (DLR), Institute for Technical Thermodynamics, D-70569 Stuttgart, Germany

J. Sol. Energy Eng 119(4), 279-285 (Nov 01, 1997) (7 pages) doi:10.1115/1.2888033 History: Received June 18, 1997; Revised July 23, 1997; Online February 14, 2008


At the DLR a second generation sodium heat pipe receiver for the Schlaich Bergermann und Partner (SBP) 9-kWe dish/Stirling system has been developed and constructed. Long-term operation occurred from Oct. 1992 until Aug. 1993 at the Plataforma Solar de Almeria (PSA) in Spain, accumulating 950 operating hours. The performance of the SBP 9-kWe system with a sodium heat pipe receiver is evaluated according to the guidelines for dish/Stirling performance evaluation by Stine and Powel, as proposed to the International Energy Agency (IEA). Tests were stopped due to a leak in the receiver absorber surface. The analysis of this damage are reported.

Copyright © 1997 by The American Society of Mechanical Engineers
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