Matthew Weathered
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View article: Temporal Forecasting of Distributed Temperature Sensing in a Thermal Hydraulic System With Machine Learning and Statistical Models
Temporal Forecasting of Distributed Temperature Sensing in a Thermal Hydraulic System With Machine Learning and Statistical Models Open
We benchmark performance of long-short term memory (LSTM) network machine learning model and autoregressive integrated moving average (ARIMA) statistical model in temporal forecasting of distributed temperature sensing (DTS). Data in this …
Experimental Validation of Thermal Hydraulic Behavior in Sodium Fast Reactors (SFR) with the Thermal Hydraulic Experimental Test Article (THETA) Open
Thermal stratification and transition to natural circulation pose two of the largest sources of uncertainty in systems-level modeling of liquid metal-cooled fast reactors. As these phenomena typically develop during transient event sequenc…
System Level Analysis Software Validation with Argonne's THETA Experimental Facility (Final CRADA Report) Open
Under this CRADA, the Contractor will be generating and collecting sodium-based experimental data with modern instrumentation. The Contractor will work symbiotically with the Participant to generate SAS4A/SASSYS-1 and SAM computational mod…
View article: Thermal Hydraulic Experimental Test Article - Fiscal Year 2023 (Final Report)
Thermal Hydraulic Experimental Test Article - Fiscal Year 2023 (Final Report) Open
The Thermal Hydraulic Experimental Test Article (THETA) is a facility that is used to develop sodium components and instrumentation as well as acquire experimental data for validation of reactor thermal hydraulic and safety analysis codes.…
View article: High-Temperature Sodium System Structural Health Monitoring (SHM) Technologies at the Mechanisms Engineering Test Loop (METL)
High-Temperature Sodium System Structural Health Monitoring (SHM) Technologies at the Mechanisms Engineering Test Loop (METL) Open
This report documents the deployment of non-destructive testing (NDT) technologies at the Mechanisms Engineering Test Loop (METL). METL became operational in September 2018 with the mission to provide an ecosystem for Advanced Reactor Deve…
View article: Flow Sensor Test Article (F-STAr) - Assembly and Water Testing Report
Flow Sensor Test Article (F-STAr) - Assembly and Water Testing Report Open
The Flow Sensor Test Article (F-STAr) is a new test article under development for the Mechanisms Engineering Test Loop (METL) facility at Argonne National Laboratory. F-STAr’s purpose is to provide sodium submersible, high flowrate testing…
View article: Deploying Extended Reality (XR) for Digital Operations and Maintenance (O&M) at the Mechanisms Engineering Test Loop (METL)
Deploying Extended Reality (XR) for Digital Operations and Maintenance (O&M) at the Mechanisms Engineering Test Loop (METL) Open
This report documents the preliminary efforts to digitize operation and maintenance (O&M) activities for the Mechanisms Engineering Test Loop (METL). METL became operational in September 2018 with the mission to provide an ecosystem for Ad…
Deploying Extended Reality (XR) for Digital Operations and Maintenance (O&M) at the Mechanisms Engineering Test Loop (METL) Open
This report documents the preliminary efforts to digitize operation and maintenance (O&M) activities for the Mechanisms Engineering Test Loop (METL). METL became operational in September 2018 with the mission to provide an ecosystem for Ad…
View article: Mechanisms Engineering Test Loop (METL) Operations and Testing Report (FY2022)
Mechanisms Engineering Test Loop (METL) Operations and Testing Report (FY2022) Open
This report documents the operations, testing, maintenance, and improvements that were performed at the Mechanisms Engineering Test Loop (METL) during FY2022. The METL facility had a very successful fourth year of operations and went throu…
View article: Flow Sensor Test Article (F-STAr) (Design and Fabrication Status Report)
Flow Sensor Test Article (F-STAr) (Design and Fabrication Status Report) Open
The Flow Sensor Test Article (F-STAr) is a test article currently under construction for the Mechanisms Engineering Test Loop (METL). F-STAr was designed to provide high sodium flowrate capabilities for sensor calibration, component testin…
View article: Monitoring of Temperature Measurements for Different Flow Regimes in Water and Galinstan with Long Short-Term Memory Networks and Transfer Learning of Sensors
Monitoring of Temperature Measurements for Different Flow Regimes in Water and Galinstan with Long Short-Term Memory Networks and Transfer Learning of Sensors Open
Temperature sensing is one of the most common measurements of a nuclear reactor monitoring system. The coolant fluid flow in a reactor core depends on the reactor power state. We investigated the monitoring and estimation of the thermocoup…
Development of a Sodium Fast Reactor Cartridge Loop Testing Capability for the Versatile Test Reactor Open
The objective of the Versatile Test Reactor (VTR) is to enable testing of advanced reactor fuels and materials in a fast spectrum neutron environment. Internal cartridge loop testing capabilities are being developed that will allow the car…
View article: Conversion of METL Diagnostic Flowmeters to Permanent Magnet Based Electromagnetic Flowmeters
Conversion of METL Diagnostic Flowmeters to Permanent Magnet Based Electromagnetic Flowmeters Open
The Mechanisms Engineering Test Loop (METL) uses three flowmeters to monitor sodium circulation through the main loop, the Cold Trap leg, and the Plugging Meter leg. When constructed, the Cold Trap flowmeter (CTFM) and Plugging Meter flowm…
View article: Flow Sensor Test Article (F-STAr) - Status Report for FY2021
Flow Sensor Test Article (F-STAr) - Status Report for FY2021 Open
This report will review updates on the status of F-STAr. First, the report will describe a general overview of the test article and how each component interacts. Then, each main component will be discussed in a deep dive section which will…
View article: Mechanisms Engineering Test Loop (METL) Operations and Testing Report (FY2021)
Mechanisms Engineering Test Loop (METL) Operations and Testing Report (FY2021) Open
This report documents the operations and testing that was performed at the Mechanisms Engineering Test Loop (METL) during FY2021. The METL facility had a very successful third year of operations having logged about 944 days of operations w…
View article: Thermal Hydraulic Experimental Test Article (FY21 Final Report)
Thermal Hydraulic Experimental Test Article (FY21 Final Report) Open
The Thermal Hydraulic Experimental Test Article (THETA) is a facility that will be used to develop sodium components and instrumentation as well as acquire experimental data for validation of reactor thermal hydraulic and safety analysis c…
View article: High Temperature Sodium Submersible Flowmeter Design and Analysis
High Temperature Sodium Submersible Flowmeter Design and Analysis Open
This work details the design and analysis of a permanent magnet flowmeter designed to be submerged in a pool type sodium fast reactor environment. Recently developed Samarium Cobalt rare earth magnets were utilized that have demonstrated r…
View article: Thermal Hydraulic Experimental Test Article - Report of THETA Commissioning for METL Testing
Thermal Hydraulic Experimental Test Article - Report of THETA Commissioning for METL Testing Open
The Thermal Hydraulic Experimental Test Article (THETA) is a facility that will be used to develop sodium components and instrumentation as well as acquire experimental data for validation of reactor thermal hydraulic and safety analysis c…
One-Step Ahead Prediction of Thermal Mixing Tee Sensors with Long Short Term Memory (LSTM) Neural Networks Open
High-temperature advanced reactors under development, such as sodium fast reactors (SFR) and molten salt cooled reactors (MSCR), are expected to offer lower levelized cost of energy (LCOE) compared to existing light water reactor (LWR’s). …
View article: Thermal Hydraulic Experimental Test Article (FY2020 Status Report)
Thermal Hydraulic Experimental Test Article (FY2020 Status Report) Open
The Thermal Hydraulic Experimental Test Article (THETA) is a facility that will be used to develop sodium components and instrumentation as well as acquire experimental data for validation of reactor thermal hydraulic and safety analysis c…
View article: Gear Test Assembly - Report on Experimental Testing (FY2020)
Gear Test Assembly - Report on Experimental Testing (FY2020) Open
The Gear Test Assembly (GTA) has completed Campaign #2 of in-sodium testing at the Mechanisms Engineering Test Loop (METL). Campaign #1 was conducted in 2019 and completed 19,600 cycles, correlating to 9,800 fuel assembly maneuvers. Campai…
View article: Mechanisms Engineering Test Loop (METL) Operations and Testing Report (FY2020)
Mechanisms Engineering Test Loop (METL) Operations and Testing Report (FY2020) Open
This report documents the operations and testing that was performed at the Mechanisms Engineering Test Loop (METL) during FY2020. The METL facility had a very successful second year of operations having logged over 730 days (as of Septembe…
View article: Thermal Hydraulic Experimental Test Article - Status Report FY20 Q2
Thermal Hydraulic Experimental Test Article - Status Report FY20 Q2 Open
The Thermal Hydraulic Experimental Test Article (THETA) is a facility that will be used to develop sodium components and instrumentation as well as acquire experimental data for validation of reactor thermal hydraulic and safety analysis c…
An Efficient 1-D Thermal Stratification Model for Pool-Type Sodium-Cooled Fast Reactors Open
Investigating thermal stratification in the upper plenum of a sodium fast reactor (SFR) is presently a technology gap in SFR safety analysis. Understanding thermal stratification will promote safe operation of the SFR before its commercial…
View article: Mechanisms Engineering Test Loop - Flexicask Design and Testing Report
Mechanisms Engineering Test Loop - Flexicask Design and Testing Report Open
This report documents the design development and testing of the Flexicask system for the Mechanisms Engineering Test Loop (METL). Currently, METL has completed Phase I construction and has been operating for over a year. The Flexicask syst…
View article: Thermal Hydraulic Experimental Test Article - Status Report for FY2019 (Rev. 1)
Thermal Hydraulic Experimental Test Article - Status Report for FY2019 (Rev. 1) Open
The Thermal Hydraulic Experimental Test Article (THETA) is a facility that will be used to develop sodium components and instrumentation as well as acquire experimental data for validation of reactor thermal hydraulic and safety analysis c…