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ASME Applicability for Small Modular Reactors

[+] Author Affiliations
Clayton T. Smith, George Beltz

Fluor Enterprises, Inc., Greenville, SC

Dennis K. Williams

Sharoden Engineering Consultants, P. A., Charlotte, NC

Paper No. ICONE20-POWER2012-54920, pp. 189-194; 6 pages
doi:10.1115/ICONE20-POWER2012-54920
From:
  • 2012 20th International Conference on Nuclear Engineering and the ASME 2012 Power Conference
  • Volume 4: Codes, Standards, Licensing, and Regulatory Issues; Fuel Cycle, Radioactive Waste Management and Decommissioning; Computational Fluid Dynamics (CFD) and Coupled Codes; Instrumentation and Controls; Fuels and Combustion, Materials Handling, Emissions; Advanced Energy Systems and Renewables (Wind, Solar, Geothermal); Performance Testing and Performance Test Codes
  • Anaheim, California, USA, July 30–August 3, 2012
  • Conference Sponsors: Nuclear Engineering Division, Power Division
  • ISBN: 978-0-7918-4498-4
  • Copyright © 2012 by ASME

abstract

Small Modular Reactor (SMR) designs for the pressurized light-water nuclear steam supply system (NSSS) have instituted various and unique features in the pressure vessels and piping industry. Selection of materials and component geometries are creating an enviable opportunity for the respective design engineers to integrate and expand the use of the full complement of Subsections within Section III of the ASME Boiler and Pressure Vessel Code. This paper discusses the prescribed requirements contained within these tried and proven Code rules as may be applicable to the pressure vessels and piping components and assemblies that will make up the next generation of SMRs. A cross correlation between the current licensing regulations that specifically address the pertinent Codes and standards for the “traditional” pressurized light water reactors is outlined in terms of “equivalent” components within the SMR designs currently on the drawing boards. Specifically, at least one pathway to compliance with the current Codes and standards promulgated within 10 CFR 50.55(a) is developed and discussed herein. The authors also concede that the suggested pathway to compliance is only one of what will prove to be a multiple set of solutions to the crossing the U.S. domestic licensing tightrope.

Copyright © 2012 by ASME

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