Projects
NPSI LDRD PROJECTS
Projects and their respective principal investigators are listed below.
Science Thrust 1: Legacy Waste
- An In-situ Investigation of Gamma-AlOOH Dissolution under High pH Conditions
- Edgar Buck (Project completed in fiscal year 2017)
- Correlation of Colloidal Interactions and Macroscopic Rheology in Concentrated Electrolyte Solutions
- Jaehun Chun (Project completed in fiscal year 2018)
- Outcomes
- Particle-Filter Surface Interactions and Dynamics in the Presence of Cross-Flow
- Richard Daniel (Project completed in fiscal year 2018)
- Outcomes
- Fundamental Insights into Gamma-Radiation Effects at Complex Oxide-Water Interfaces from First Principles Simulations
- Sebastien Kerisit (Project completed in fiscal year 2019)
- Controlled Mineral Growth for Improving Tc-99 and I-129 Retention in Cementitious Waste Forms
- Sarah Saslow
- Particle Size and Density Measurement
- Phillip Gauglitz
Science Thrust 2: Nuclear Security
- Modeling the Interfacial Effects, Partitioning, and Production Routes of Epsilon Particles in Uranium Oxide
- Richard Clark (Project completed in fiscal year 2018)
- Outcomes
- Ion Implantation and Characterization of Epsilon Metal Phase Formation in Ceria
- Ram Devanathan (Project completed in fiscal year 2019)
- Outcomes
- Interfacial Diffusion and CRUD Formation at the Liquid-Liquid Interface of Solvent Extraction Processes Research
- Amanda Casella (Project concluded in fiscal year 2018)
- Outcomes
- Development of Phase Field Modeling to Predict Morphologies of Plutonium Oxalate
- David Abrecht (Project transitioned to another research activity in fiscal year 2018)
- Outcomes
- Fundamental Understanding of Nucleation Processes to Assess Solution Stability and Phase Growth and Genesis
- Gregg Lumetta (Project completed in fiscal year 2018)
- Outcomes
- Monitoring Diffusion of Actinide Daughters and Granddaughters in Metals for Chronometer Applications
- Dallas Reilly (Project completed in fiscal year 2018)
- Outcomes
- Characterization of Carbonaceous Surface Deposits on Irradiated Iron Aluminide (FeAl3) Coatings
- Walter Luscher
Science Thrust 3: Analytical Capabilities
- Development of a Rad AFM Capability
- Greg Kimmel
- Determining Radiolytic Transient Intermediates and Interfacial Species and Their Roles in Aluminum Oxyhydroxide Reactivity
- Zheming Wang
- Characterization of Radiation Induced Materials Defects Across Scales
- Luke Sweet
- Damage Mechanisms and Defect Formation in Irradiated Model Systems
- Steven Spurgeon
- Dissolution of Spent Nuclear Fuel: An In-situ and Atomic Resolution TEM Study
- Edgar Buck