Terrestrial Energy USA

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Thermogravimetric Analysis of IMSR Fuel Salt Simulants

Terrestrial Energy will partner with Pacific Northwest National Laboratory (PNNL) using their expertise in thermogravimetric analysis to analyze the IMSR fuel salt. This project will help determine what chemical species are present in the fuel salt vapor as a function of temperature and partial pressure, whether the fuel salt decomposes at elevated temperatures, and the kinetics of fuel salt vaporization. The work will support the optimization of the reactor components in the IMSR Core-unit as well as the overall design. 

Thermogravimetric Analysis of IMSR Fuel Salt Simulants Read More »

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Investigation of the Structural Integrity and Corrosion Resistance of Surface Treatment on Alloy-709 in a Molten Fluoride Salt Environment, Terrestrial Energy USA, Inc.

This project seeks to perform baseline studies on surface-treated A709 for corrosion resistance and mechanical properties to understand long-term corrosion protection when subject to periods of sustained and cyclic loading at high temperatures and its potential use in the IMSR®.

Investigation of the Structural Integrity and Corrosion Resistance of Surface Treatment on Alloy-709 in a Molten Fluoride Salt Environment, Terrestrial Energy USA, Inc. Read More »

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Advancement of Instrumentation to Monitor IMSR® Core Temperature and Power Level, Terrestrial Energy USA

The objective of this project is to develop Terrestrial Energy USA’s high temperature gamma thermometer (HTGT) that will accurately determine IMSR® power levels under all normal and off-normal reactor operating conditions. The HTGT will ensure safe and effective control of IMSR® reactor-core power and will be applicable to other MSR designs.

Advancement of Instrumentation to Monitor IMSR® Core Temperature and Power Level, Terrestrial Energy USA Read More »

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Verification of Molten-Salt Properties at High Temperatures; IMSR® [Integral Molten Salt Reactor] Fuel Salt Property Confirmation: Thermal Conductivity and Viscosity, Terrestrial Energy USA

The objective of this project was to procure, prepare, and characterize fluoride salt compositions relevant to Terrestrial Energy USA, Inc.’s Integral Molten Salt Reactor (IMSR®) design. Then, the project set out to investigate the fuel salts’ thermal conductivities, viscosities, and densities.

Verification of Molten-Salt Properties at High Temperatures; IMSR® [Integral Molten Salt Reactor] Fuel Salt Property Confirmation: Thermal Conductivity and Viscosity, Terrestrial Energy USA Read More »

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