Solar Thermal Reactor Materials Characterization

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Description

Current research into hydrogen production through high temperature metal oxide water splitting cycles has created a need for robust high temperature materials. Such cycles are further enhanced by the use of concentrated solar energy as a power source. However, samples subjected to concentrated solar radiation exhibited lifetimes much shorter than expected. Characterization of the power and flux distributions representative of the High Flux Solar Furnace(HFSF) at the National Renewable Energy Laboratory(NREL) were compared to ray trace modeling of the facility. In addition, samples of candidate reactor materials were thermally cycled at the HFSF and tensile failure testing was performed to ... continued below

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8 p.

Creation Information

Lichty, P. R.; Scott, A. M.; Perkins, C. M.; Bingham, C. & Weimer, A. W. March 1, 2008.

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Description

Current research into hydrogen production through high temperature metal oxide water splitting cycles has created a need for robust high temperature materials. Such cycles are further enhanced by the use of concentrated solar energy as a power source. However, samples subjected to concentrated solar radiation exhibited lifetimes much shorter than expected. Characterization of the power and flux distributions representative of the High Flux Solar Furnace(HFSF) at the National Renewable Energy Laboratory(NREL) were compared to ray trace modeling of the facility. In addition, samples of candidate reactor materials were thermally cycled at the HFSF and tensile failure testing was performed to quantify material degradation. Thermal cycling tests have been completed on super alloy Haynes 214 samples and results indicate that maximum temperature plays a significant role in reduction of strength. The number of cycles was too small to establish long term failure trends for this material due to the high ductility of the material.

Physical Description

8 p.

Source

  • 2008 14th Biennial CSP SolarPACES (Solar Power and Chemical Energy Systems) Symposium, 4-7 March 2008, Las Vegas, Nevada (CD-ROM) (NREL/CD-550-42709)

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  • Report No.: None
  • Grant Number: AC36-99-GO10337
  • Office of Scientific & Technical Information Report Number: 928612
  • Archival Resource Key: ark:/67531/metadc901904

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • March 1, 2008

Added to The UNT Digital Library

  • Sept. 27, 2016, 1:39 a.m.

Description Last Updated

  • April 6, 2017, 3:23 p.m.

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Lichty, P. R.; Scott, A. M.; Perkins, C. M.; Bingham, C. & Weimer, A. W. Solar Thermal Reactor Materials Characterization, article, March 1, 2008; Golden, Colorado. (digital.library.unt.edu/ark:/67531/metadc901904/: accessed May 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.