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Research Articles

An Experimental and Theoretical Examination of Air Ingress Rates During Small- and Medium-Break Air Ingress Accidents

ORCID Icon, , ORCID Icon &
Pages 1577-1591 | Received 28 Jun 2022, Accepted 07 Oct 2022, Published online: 09 Dec 2022

References

  • S. J. BALL et al., “Next Generation Nuclear Plant Phenomena Identification and Ranking Tables (PIRTS) Volume 2: Accident and Thermal Fluids Analysis PIRTS,” NUREG/CR-6944, U.S. Nuclear Regulatory Commission (Mar. 2008).
  • E. S. KIM et al., “Estimation of Graphite Density and Mechanical Strength Variation of VHTR During Air-Ingress Accident,” Nucl. Eng. Des., 238, 4, 837 (2008); https://doi.org/10.1016/j.nucengdes.2007.08.002.
  • M. ISHIHARA et al., “Experimental Study on Structural Integrity of Oxidized Support Post for HTTR,” Proc. Technical Committee Mtg. Response of Fuel, Fuel Elements and Gas Cooled Reactor Cores Under Accidental Air or Water Ingress Conditions, Beijing, China, October 25–27, 1993, p. 25, International Atomic Energy Agency (1995).
  • W. FROEHLING et al., “The NACOK Experiment on Natural Convection of Air Through the Core,” Proc. Technical Committee Mtg. Response of Fuel, Fuel Elements and Gas Cooled Reactor Cores Under Accidental Air or Water Ingress Conditions, Beijing, China, October 25–27, 1993, p. 55, International Atomic Energy Agency (1995).
  • C. H. OH and E. S. KIM, “Air-Ingress Analysis: Part 1. Theoretical Approach,” Nucl. Eng. Des., 241, 1, 203 (2011); https://doi.org/10.1016/j.nucengdes.2010.05.064.
  • C. H. OH et al., “Final Report on Experimental Validation of Stratified Flow Phenomena, Graphite Oxidation, and Mitigation Strategies of Air Ingress Accidents,” INL/EXT-10-20759, Idaho National Laboratory (Jan. 2011).
  • T. SHIGA, Y. TANAKA, and T. TAKADA, “Process of Air Ingress During a Depressurization Accident of GTHTR300,” Sci. Technol. Nucl. Install., 2018, (2018); https://doi.org/10.1155/2018/6378504.
  • H. G. JIN, H. C. NO, and H. I. KIM, “Stratified Flow-Induced Air-Ingress Accident Assessment of the GAMMA Code in HTGRs,” Nucl. Eng. Des., 241, 8, 3216 (2011); https://doi.org/10.1016/j.nucengdes.2011.04.022.
  • S. BALL, M. RICHARDS, and S. SHEPELEV, “Sensitivity Studies of Air Ingress Accidents in Modular HTGRs,” Nucl. Eng. Des., 238, 11, 2935 (2008); https://doi.org/10.1016/j.nucengdes.2008.02.021.
  • M. HISHIDA et al., “Researches on Air Ingress Accidents of the HTTR,” Nucl. Eng. Des., 144, 2, 317 (1993); https://doi.org/10.1016/0029-5493(93)90147-2.
  • A. MERCER and H. THOMPSON, “An Experimental Investigation of Some Further Aspects of the Buoyancy-Driven Exchange Flow Between Carbon Dioxide and Air Following a Depressurization Accident in a Magnox Reactor,” J. Br. Nucl. Energy Soc., 14, 4, 327 (1975).
  • S. J. LEACH and H. THOMPSON, “An Investigation of Some Aspects of Flow into Gas Cooled Nuclear Reactors Following an Accidental Depressurization,” J. Br. Nucl. Energy Soc., 14, 243 (1975).
  • J. S. KIM et al., “Experimental Study on Fundamental Phenomena in HTGR Small Break Air-Ingress Accident,” Ann. Nucl. Energy, 87, 145 (2016); https://doi.org/10.1016/j.anucene.2015.08.012.
  • Y. HASSAN, “Study of Air Ingress Across the Duct During the Accident Conditions,” DOE/NEUP-09-841, U.S. Department of Energy Nuclear Energy University Program (2013).
  • M. A. ANDRÉ et al., “Velocimetry During Depressurized Conduction Cooldown Events in the HTTF,” Nucl. Eng. Des., 341, 406 (2019); https://doi.org/10.1016/j.nucengdes.2018.11.026.
  • D. J. ARCILESI et al., “Scaling and Design Analyses of a Scaled-Down, High-Temperature Test Facility for Experimental Investigation of the Initial Stages of a VHTR Air-Ingress Accident,” Nucl. Eng. Des., 288, 141 (2015); https://doi.org/10.1016/j.nucengdes.2015.03.007.
  • V. PETROV et al., “Experimental Determination of Helium/Air Mixing in Helium Cooled Reactor,” DOE NEUP 17-13115, U.S. Department of Energy Nuclear Energy University Program (2022).
  • M. EPSTEIN, “Buoyancy-Driven Exchange Flow Through Small Openings in Horizontal Partitions,” J. Heat Transfer, 110, 4a, 885 (1988); https://doi.org/10.1115/1.3250589.
  • M. FUMIZAWA and M. HISHIDA, “Helium-Air Exchange Flow Through Annular and Round Tubes,” Nucl. Technol., 109, 123 (1995); https://doi.org/10.13182/NT95-A35072.
  • D. L. WILKINSON, “Buoyancy Driven Exchange Flow in a Horizontal Pipe,” J. Eng. Mech., 112, 5, 485 (1986); https://doi.org/10.1061/(ASCE)0733-9399(1986)112:5(485).
  • “Gas Turbine-Modular Helium Reactor (GT-MHR) Conceptual Design Description Report,” GA Project 7658, General Atomics (1996).
  • T. CHAN, “Modular High Temperature Gas-Cooled Reactor Plant Design Duty Cycle,” DOE/HTGR-86029, Rev. 3, GA Technologies, Inc. (1989).
  • Z. WELKER, A. MANERA, and V. PETROV, “Design of a Scaled Air Ingress Facility for VHTR Accident Analysis,” Proc. NURETH-18, Portland, Oregon, August 18–22, 2019, p. 5840, American Nuclear Society ( 2019).

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