Reactor Graphite Workshop

Name: Reactor Graphite Workshop
Start: 2025-07-08T08:00:00-04:00
End: 2025-07-09T18:00:00-04:00
Location: Berkner Hall (Bldg. 488)

8 Jul 2025, 08:00 → 9 Jul 2025, 18:00 US/Eastern

Room B (Berkner Hall (Bldg. 488))

Room B

Berkner Hall (Bldg. 488)

Description

Non-U.S. citizens must complete an additional Brookhaven Lab Guest Form and be approved in the Guest Information System (GIS) if they would like to attend this meeting. This applies to both in-person and remote attendees!

If you have a current Brookhaven Lab guest appointment and a valid BNL Guest Number or you have a pending Guest Registration (GR) Number, it is not necessary to complete the additional Brookhaven Lab Guest Form again.

Registration Deadlines:

US citizens: June 8, 2025
non-US citizens: June 8, 2025

The agenda can be found here.

Contact

gnobre@bnl.gov

Tuesday 8 July
- Tue 8 Jul
- Wed 9 Jul
- Welcome
  - 1
    
    BNL Welcome
    
    Speaker: Alejandro Sonzogni (BNL)
  - 2
    
    Workshop Goals
    
    Speakers: Dave Brown, Gustavo Nobre (BNL)
    
    ReGra_Workshop_Goals.pdf
- Material Characterization
  - 3
    
    Qualifying Graphite for Reactor Applications: A Materials Perspective
    
    Speaker: Dominic Piedmont (BNL)
    
    Qualifying Graphite for Reactor Applications.pptx
  - 4
    
    Discussion about material characterization
    
    Speaker: All
- 10:25
  
  Coffee break
- Users' Perspectives
  - 5
    
    NNL Perspective of Reactor-grade Graphite
    
    Speaker: Mike Zerkle (NNL)
    
    NNL Perspective on Reactor-grade Graphite.pptx
  - 6
    
    Updates to the HTR-PROTEUS HALEU Benchmark Using Modern Analysis Methodologies
    
    Speakers: Javier Ortensi (INL), John Bess (INL), Volkan Seker (INL)
    
    Update_HTR-PROTEUS-Benchmark.pdf
    
    Update_HTR-PROTEUS-Benchmark.pptx
  - 7
    
    Thermal Scattering Law Impact on BWXT Advanced Nuclear Reactor
    
    Speakers: Chase Lawing (BWXT), Gabriel Lentchner (BWXT), Matthew Nash (BWXT)
- 12:00
  
  Lunch
- Users' Perspectives
  - 8
    
    Discussion about users' perspectives
    
    Speaker: All
- Differential Data, Modeling and Evaluation
  - 9
    
    Physics of Phonons in Graphite: Integrating Inelastic Neutron Scattering Measurements and First-Principles Calculations
    
    Speaker: Iyad Al-Qasir (ORNL)
  - 10
    
    Machine learned atomistic modeling of porosity in nuclear graphite
    
    Speaker: Kemal Ramic (ORNL)
  - 11
    
    Investigation and Evaluation of Thermal Neutron Scattering in Nuclear Graphite
    
    Speaker: Ayman Hawari (NCSU/TAMU)
    
    Hawari_ReGra_Presentation-07082025 - Copy-DESKTOP-099SDNI.pdf
- 15:10
  
  Coffee break
- Differential Data, Modeling and Evaluation
  - 12
    
    Overview of historical and new transmission measurements of nuclear graphite
    
    Speaker: Chris Chapman (ORNL)
    
    regra_transmission_v2p0.pptx
  - 13
    
    Investigating the Impact of Fast Neutron Radiation Damage on Graphite Lattice Dynamics
    
    Speaker: Iyad Al-Qasir (ORNL)
  - 14
    
    Discussion about modeling and evaluation approaches
    
    Speaker: All
Wednesday 9 July
- Tue 8 Jul
- Wed 9 Jul
- Validation
  - 15
    
    Integral Benchmarks for Graphite TSL Validation
    
    Speaker: Catherine Percher (LLNL)
    
    ReGra-Benchmarks-CPercher.pptx
  - 16
    
    Deimos and Graphite TSLs
    
    Speaker: Nick Thompson (LANL)
    
    Deimos and Graphite TSLs_small3.pptx
  - 17
    
    Modernization of Historical Graphite Measurements and Techniques
    
    Speaker: Benjamin Wang (RPI)
  - 18
    
    ORNL testing of multiple graphite benchmarks
    
    Speaker: Travis Greene (ORNL)
- 10:30
  
  Coffee break
- Validation
  - 19
    
    Benchmark and Validation of Thermal Neutron Scattering in Nuclear Graphite
    
    Speaker: Ayman Hawari (NCSU/TAMU)
    
    Hawari_ReGra_Presentation-07092025.pdf
  - 20
    
    Discussion about Validation
    
    Speaker: All
- Group picture
- 12:10
  
  Lunch
- Discussions
  - 21
    
    Discussion about validated graphite library requirements to fulfill user needs
    
    Speaker: All
  - 22
    
    Discussion about path forward
    
    Speaker: All
- 15:30
  
  Coffee break
- Discussions
  - 23
    
    Discussion about action items
    
    Speaker: All
- Closing
  - 24
    
    Workshop closing
    
    Speakers: Dave Brown (BNL), Gustavo Nobre (BNL)