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Radiative energy receiver for high performance energy conversion cyclesAn analysis of gas dynamic processes pertinent to the functioning of earth-based and space-based solar electric power plants is presented, with attention given to potassium vapor as the working fluid. A device is described which features focused photon absorption by a nontransparent flowing gas. The feed flow is effected around the outside walls of a cavity receiver to raise efficiencies by trapping reemitted energy. A theoretical study of the interaction of a photon flux with a coaxial particle flux was performed, with the receiver flow treated as a Graetz flow. The critical parameters were defined, including a figure of merit as the gas enthalpy increase to absorbable energy ratio. A small-scale laboratory model was tested in comparison with the theoretically obtained values. Less than 15% of the absorbed energy was lost through dissipation while an 80% conversion efficiency was attained.
Document ID
19830045920
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Rault, D.
(Washington Univ. Seattle, WA, United States)
Hertzberg, A.
(Washington, University Seattle, WA, United States)
Date Acquired
August 11, 2013
Publication Date
January 1, 1982
Subject Category
Energy Production And Conversion
Meeting Information
Meeting: IECEC ''82; Seventeenth Intersociety Energy Conversion Engineering Conference
Location: Los Angeles, CA
Start Date: August 8, 1982
End Date: August 12, 1982
Accession Number
83A27138
Funding Number(s)
CONTRACT_GRANT: NAG3-16
Distribution Limits
Public
Copyright
Other

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