NGNP Point Design - Results of the Initial Neutronics and Thermal-Hydraulic Assessments During FY-03, Rev. 1

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This report presents the preliminary preconceptual designs for two possible versions of the Next Generation Nuclear Plant (NGNP), one for a prismatic fuel type helium gas-cooled reactor and one for a pebble bed fuel helium gas reactor. Both designs are to meet three basic requirements: a coolant outlet temperature of 1000 °C, passive safety, and a total power output consistent with that expected for commercial high-temperature gas-cooled reactors. The two efforts are discussed separately below. The analytical results presented in this report are very promising, however, we wish to caution the reader that future, more detailed, design work will be ... continued below

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MacDonald, Philip E.; Sterbentz, James W.; Sant, Robert L.; Bayless, P.; Gougar, H. D.; Moore, R. L. et al. September 1, 2003.

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Description

This report presents the preliminary preconceptual designs for two possible versions of the Next Generation Nuclear Plant (NGNP), one for a prismatic fuel type helium gas-cooled reactor and one for a pebble bed fuel helium gas reactor. Both designs are to meet three basic requirements: a coolant outlet temperature of 1000 °C, passive safety, and a total power output consistent with that expected for commercial high-temperature gas-cooled reactors. The two efforts are discussed separately below. The analytical results presented in this report are very promising, however, we wish to caution the reader that future, more detailed, design work will be needed to provide final answers to a number of key questions including the allowable power level, the inlet temperature, the power density, the optimum fuel form, and others. The point design work presented in this report provides a starting point for other evaluations, and directions for the detailed design, but not final answers.

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  • Report No.: INEEL/EXT-03-00870
  • Grant Number: DE-AC07-99ID-13727
  • DOI: 10.2172/910732 | External Link
  • Office of Scientific & Technical Information Report Number: 910732
  • Archival Resource Key: ark:/67531/metadc888441

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  • September 1, 2003

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  • Sept. 22, 2016, 2:13 a.m.

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  • Nov. 7, 2016, 4:30 p.m.

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MacDonald, Philip E.; Sterbentz, James W.; Sant, Robert L.; Bayless, P.; Gougar, H. D.; Moore, R. L. et al. NGNP Point Design - Results of the Initial Neutronics and Thermal-Hydraulic Assessments During FY-03, Rev. 1, report, September 1, 2003; [Idaho Falls, Idaho]. (digital.library.unt.edu/ark:/67531/metadc888441/: accessed September 25, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.