Advanced Turbomachinery Components for Supercritical CO₂ Power Cycles [electronic resource]

• Ngôn ngữ: eng
• Ký hiệu phân loại: 621.48 Nuclear engineering
• Thông tin xuất bản: Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, 2016
• Mô tả vật lý: Size: 13 p. : , digital, PDF file.
• Bộ sưu tập: Metadata
• ID: 266792
• Chủ đề: 1. 33 advanced propulsion systems

Tóm tắt

 Six indirectly heated supercritical CO<
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  (SCO<
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  ) Brayton cycles with turbine inlet conditions of 1300�F and 4000 psia with varying plant capacities from 10MWe to 550MWe were analyzed. 550 MWe plant capacity directly heated SCO<
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  Brayton cycles with turbine inlet conditions of 2500�F and 4000 psia were also analyzed. Turbomachinery configurations and conceptual designs for both indirectly and directly heated cycles were developed. Optimum turbomachinery and generator configurations were selected and the resulting analysis provides validation that the turbomachinery conceptual designs meet efficiency performance targets. Previously identified technology gaps were updated based on these conceptual designs. Material compatibility testing was conducted for materials typically used in turbomachinery housings, turbine disks and blades. Testing was completed for samples in unstressed and stressed conditions. All samples exposed to SCO<
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  showed some oxidation, the extent of which varied considerably between the alloys tested. Examination of cross sections of the stressed samples found no evidence of cracking due to SCO<
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  exposure.