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Home > Nuclear Reactors > Advanced Reactors > Hyperion
Hyperion Power Module (HPM)
| Designer: |
Hyperion Power Generation, Inc.
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| Reactor Power: |
70 MWt
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| Electrical Output: |
25 MWe
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| Outlet Conditions: |
500C
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| Coolant: |
Lead-bismuth eutectic, primary and secondary loops
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| Fuel Design: |
Stainless steel clad uranium nitride
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| Refueling: |
Entire reactor module replaced every 7 to 10 years
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| Licensing Plan: |
Combined License (prototypical design) and/or Design Certification
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| Design Information: |
The HPM is sealed at the factory, sited underground, and eventually returned to the factory for waste and fuel disposition after a useful life of seven to ten years. The principle materials in the core are uranium nitride (UN) fuel, stainless steel as the structural material, lead-bismuth eutectic (LBE) as the coolant, quartz as the radial reflector, B4C rods and pellets for in-core reactivity control and shutdown. The LBE permits ambient pressure operation of core, eliminating pressure vessel requirements.
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| Status/Other Info: |
The outer diameter of the entire reactor system, including the outer reflector and coolant downcomer, is limited to 1.5 m to be able to seal the reactor vessel system at the fabrication facility and transport it to the site in a conventional nuclear fuel shipping cask. The total mass of the reactor vessel with fuel and coolant is <20 metric tons.
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| Website: |
http://www.hyperionpowergeneration.com/  |
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