Technical Assessment of Molten Salt Reactor - Small Modular Reactors: Design Architecture, Safety Philosophy, Electrical Systems, and Licensing Considerations
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| Format: | Recurso digital |
| Language: | English |
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Zenodo
2026
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| _version_ | 1866901801944481792 |
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| author | Hannah, Travis |
| author_facet | Hannah, Travis |
| contents | <p>Molten salt reactor small modular reactors (MSR-SMRs) represent one of the most technically ambitious advanced reactor pathways because they depart from conventional light water reactor assumptions in coolant, fuel form, operating temperature, pressure boundary design, source-term behavior, and licensing basis. This paper assesses molten salt reactor technology with emphasis on liquid-fueled and salt-cooled small modular reactor concepts. Unlike integral pressurized water reactor SMRs, which extend the conventional light water reactor regulatory and operating base, MSRs introduce a substantially different design space involving high-temperature molten fluoride or chloride salts, low-pressure primary systems, passive or semi-passive decay heat removal, salt chemistry control, tritium management, corrosion control, and novel fuel-cycle implications. Particular attention is given to whether MSR passive and inherent safety characteristics reduce reliance on safety-related electrical systems or instead redistribute electrical and I&C requirements toward salt temperature control, freeze prevention, chemistry monitoring, decay heat removal, off-gas handling, and post-event recovery. The paper concludes that MSRs offer strong long-term potential, but their commercial maturity remains less advanced than light water SMRs because of unresolved materials, fuel qualification, licensing, salt chemistry, tritium, supply chain, and demonstration challenges.</p> |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_20087242 |
| institution | Zenodo |
| language | eng |
| publishDate | 2026 |
| publisher | Zenodo |
| record_format | zenodo |
| spellingShingle | Technical Assessment of Molten Salt Reactor - Small Modular Reactors: Design Architecture, Safety Philosophy, Electrical Systems, and Licensing Considerations Hannah, Travis Nuclear Reactors RNA, Small Nuclear Electric power generation <p>Molten salt reactor small modular reactors (MSR-SMRs) represent one of the most technically ambitious advanced reactor pathways because they depart from conventional light water reactor assumptions in coolant, fuel form, operating temperature, pressure boundary design, source-term behavior, and licensing basis. This paper assesses molten salt reactor technology with emphasis on liquid-fueled and salt-cooled small modular reactor concepts. Unlike integral pressurized water reactor SMRs, which extend the conventional light water reactor regulatory and operating base, MSRs introduce a substantially different design space involving high-temperature molten fluoride or chloride salts, low-pressure primary systems, passive or semi-passive decay heat removal, salt chemistry control, tritium management, corrosion control, and novel fuel-cycle implications. Particular attention is given to whether MSR passive and inherent safety characteristics reduce reliance on safety-related electrical systems or instead redistribute electrical and I&C requirements toward salt temperature control, freeze prevention, chemistry monitoring, decay heat removal, off-gas handling, and post-event recovery. The paper concludes that MSRs offer strong long-term potential, but their commercial maturity remains less advanced than light water SMRs because of unresolved materials, fuel qualification, licensing, salt chemistry, tritium, supply chain, and demonstration challenges.</p> |
| title | Technical Assessment of Molten Salt Reactor - Small Modular Reactors: Design Architecture, Safety Philosophy, Electrical Systems, and Licensing Considerations |
| topic | Nuclear Reactors RNA, Small Nuclear Electric power generation |
| url | https://doi.org/10.5281/zenodo.20087242 |