Meetings
ANS 2018 Summer Meeting
Philadelphia, PA • June 17-21, 2018
Criticality Accident Alarm System: Issues and Testing – Mon. pm
Session Organizer and Chair: Catherine M. Percher (LLNL)
- Technical Basis for the Uranium Processing Facility Criticality Accident Alarm System, C. E. Gross (Paschal Solutions, Inc.), R. S. Brown (Gem Technologies, Inc.), K. H. Reynolds (Y-12 National Security Complex), R G. Taylor (C.S. Engineering Inc.)
- MCNP 6.1.1 Validation for Shielding Applications, Timothy D. Jackson (Consolidated Nuclear Services)
- The Y-12 Legacy Criticality Accident Alarm System, Chris Haught, Chris Woodrow (Consolidated Nuclear Security)
- “Swapped Source”: A Forward Calculation Technique to Help Establish the Worst-Case Accident Location for CAAS Detectors in Fixed Locations , C. E. Gross (Paschal Solutions, Inc.), R. S. Brown (Gem Technologies, Inc.), K. H. Reynolds (Y-12 National Security Complex), R G. Taylor (C. S. Engineering Inc.)
- Criticality Accident Alarm System Removal Methodologies, Tom Hines (DOE), Matthew Wilson (Paschal Solutions Inc.)
- Is an ANS-8.3 Compliant CAAS Justifiable: Time to Recognize Reality, Thomas P. McLaughlin (Retired)
Data, Analysis, and Operations in Nuclear Criticality Safety—I, Tues. am
Session Organizer: Theresa E. Cutler (LANL) Chair: Arielle J. Miller (DNFSB)
- Enhancing the Criticality Safety Analysis for the Mobile Plutonium Facility, Tracy Stover, Steve Kessler, John Dewes (SRS)
- Development of Augmented Reality Technology for Nuclear Criticality Safety Applications at Los Alamos National Laboratory, Austin Meredith, Andrew Wysong, Julio Trujillo (LANL)
- Elimination of Acid Based Criticality Scenarios in the HM-Process, Tracy Stover, John Lint, W. Glynn Dyer (SRS)
- Preliminary Design of Temperature Dependent Critical Experiments at Atmospheric Pressure with Low Enriched UO2 Fuel, Mathieu Dupont (RPI), Thomas M. Miller (ORNL)
- Reactivity Simulation for Criticality Safety Training and Future Projects at LANL, Jacob McCallum, Dave Miko, Julio Trujillo, Andrew Wysong (LANL)
- Criticality Characterization of Plutonium—Iron Systems, Arielle Miller, Jerry McKamy (DNFSB)
- Nuclear Criticality Safety Strategy for the Downgrade of the 9206 Facility, Austin McGee, Michael Crouse (Consolidated Nuclear Security)
- The 2018 Edition of the ICSBEP Handbook, John D. Bess (INL), Tatiana Ivanova, Ian Hill (OECD), Margaret A. Marshall (INL)
Data, Analysis, and Operations in Nuclear Criticality Safety—II, Wed. am
Session Organizer: Theresa E. Cutler (LANL) Chair: Vladimir Sobes (ORNL)
- Criticality Safety Scenario-Based Training at Los Alamos National Laboratory, Mary Beth Lujan, Julio Trujillo, Andrew R. Wysong (LANL)
- A First Look at the Thermal Neutron Scattering Law for H-UH3, Michael L. Zerkle (Naval Nuclear Lab.)
- Sloped Bottom Tanks and Areal Density—Part I: Case Study in H-Canyon Decanter Controls, Tracy Stover, John Lint, Meagan Strachan (SRS)
- Sloped Bottom Tanks and Areal Density—Part II: Functional Behavior of Projected Areal Density, Tracy Stover (SRS)
- Benchmark Model Temperatures Incorporated into DICE, Z. J. Clifton (Univ. Alabama, Huntsville), W. J. Marshall (ORNL), I. Hill (Nuclear Energy Agency)
- Crediting a Soluble Neutron Absorber at Y-12 Under ANSI/ANS-8.14-2004, V. B. Lollar (Consolidated Nuclear Security), A. W. Krass (C. S. Engineering, Inc.)
- Temperature Measurements of the BeRP Ball During the Subcritical Copper-Reflected α-Phase Plutonium (SCRαP) Experiment, T. Cutler, R. Bahran, J. Hutchinson (LANL)
- The Case for and Against a Gadolinium Bias in SCALE: Opening Arguments, W. J. Marshall (ORNL)
Data, Analysis, and Operations in Nuclear Criticality Safety—III, Wed. pm
Session Organizer: Theresa E. Cutler (LANL) Chair: Margaret Marshall (INL)
- Estimating Computational Biases for Criticality Safety Applications with Few Neutronically Similar Benchmarks, C. M. Perfetti, B. T. Rearden, W. J. Marshall (ORNL)
- Effect of Corner Reflection on the Critical Mass of Plutonium, Quinton Beaulieu, Natasha Glazener (LANL)
- Ensuring the Fidelity of Data Assimilation Methodology Bias Estimates, C. M. Perfetti, B. T. Rearden (ORNL)
- Validation of KENO V.a and KENO-VI in SCALE 6.2.2 Using ENDF/B-VII.0 and ENDF/BVII.I Libraries, E. M. Saylor, W. J. Marshall (ORNL), Z. J. Clifton (Univ. Alabama, Huntsville), J. B. Clarity, B. T. Rearden (ORNL)
ANS 8.10 Criteria for Nuclear Criticality Safety Controls in Operations with Shielding and Confinement, Uses and Purpose–Panel, Tues. pm
Session Organizer and Chair: Andrew W. Prichard (PNNL)
The panel will discuss the value of using ANSI/ANS-8.10-2015, “Criteria for Nuclear Criticality Safety Controls in Operations with Shielding and Confinement.” The panel will include discussion of the risks, benefits, and concerns of using this standard in different facilities.
Panelists: Thomas McLaughlin (LANL, retired), Jerry Hicks (NNSA, retired), Dan Thomas (ORANO), Tracy Stover (SRNS), Alan H Wells
Sharing of Good Industry Practices and/or Lessons Learned in Nuclear Criticality Safety–Panel, Wed. pm
Session Organizer: Deborah Ann Hill (NNL-UK) Cochairs: Deborah Ann Hill (NNL), James C. Bunsen (LANL)
Fundamental to the successful operation of any nuclear site is a first-class safety culture that strives to continually improve in response to good industry practices and operating experience feedback. Speakers will provide examples of either specific good practices and/or lessons learned at their site, following which an audience discussion will be initiated on alternative good practices and experiences in these areas.
Panelists: Brandon O’Donnell (BWX Technologies), Kevin Reynolds (Consolidated Nuclear Security, LLC), Bob Wilson (DOE), Dominic Winstanley (Sellafield Ltd.)
ANS-8 Standards Forum, Thurs. am
Session Organizer and Chair: Douglas Bowen (ORNL)
Session Title: “ANS-8 Standards Forum”
Session Type: Discussion
Session Organiser: Doug Bowen (ORNL)
Summary: Subcommittee ANS-8, Operations with Fissile Material Outside Reactors, meets to discuss various technical and administrative aspects of the approximately 20 national consensus standards under its purview. In addition to status and progress updates by representatives of individual working groups, formal presentations on the technical bases of numerical values such as subcritical limits and experiences with applications of particular standards are solicited. Agenda topics such as new and expanded standards are also encouraged.
Session Title: “Sharing of Good Industry Practices and/or Lessons Learned in Nuclear Criticality Safety”
Session Type: Panel
Session Organiser: Deb Hill (NNL)
Fundamental to the successful operation of any nuclear site is a first class safety culture which strives to
continually improve in response to good industry practices and operating experience feedback. Speakers will provide examples of either specific good practices and/or lessons learned at their site, following which an audience discussion will be initiated on alternative good practices and experiences in these areas.
Session Title: “ANS 8.10 Criteria for Nuclear Criticality Safety Controls in operations with Shielding and Confinement. Uses and Purposes”
Session Type: Panel
Session Organizer: Andrew Prichard (PNNL)
Summary: The panel will discuss the value of using ANSI/ANS-8.10-2015, Criteria for Nuclear Criticality Safety Controls in operations with Shielding and Confinement. The panel will include discussion of the risks, benefits, and concerns of using this standard in different facilities.
Session Title: “Criticality Accident Alarm System: Issues and Testing”
Session Type: Contributed Papers
Session Organizer: Catherine Percher (LLNL)
Summary: This contributed paper session will focus on Criticality Accident Alarm Systems (CAAS) including testing, maintaining compliance and operability with aging systems, alarm system coverage area determinations, and impacts of changing consensus standards.
Session Title: “Data, Analysis and Operations in Nuclear Criticality Safety”
Session Type: Contributed Papers
Session Organiser: Theresa Cutler (LANL)
Summary: The purpose of this session is to provide a forum for timely presentation of general issues in the area of nuclear criticality safety that are not covered in other special session topics.
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