About this Abstract |
Meeting |
2023 TMS Annual Meeting & Exhibition
|
Symposium
|
Materials and Chemistry for Molten Salt Systems
|
Presentation Title |
Cover Gas Selection for Molten Salts |
Author(s) |
Adam J. Burak, Minghui Chen |
On-Site Speaker (Planned) |
Adam J. Burak |
Abstract Scope |
Results are presented from a literature review performed to evaluate cover gas candidates for molten salt systems. Three cover gases typically used with molten salts are considered: argon, helium, and nitrogen. Chemical compatibility is investigated by considering the reactivity of the gases with the salts, and with the containment materials. Gas solubility in molten salts is also addressed. Cover gases also frequently serve a secondary purpose as cooling gases. Heat transfer performance of cover gases is examined to assess their relative performance at different temperatures. Radiological concerns are studied by calculating the equilibrium radioactivity under thermal and fast neutron fluxes. Cost is addressed in a miscellaneous section. It is concluded that no cover gas is clearly ideal. Rather, the optimal choice depends on the specific system being considered. Gas selection criteria are compiled in a table to facilitate assessment for specific situations. |
Proceedings Inclusion? |
Planned: |
Keywords |
High-Temperature Materials, Nuclear Materials, Other |