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PuHMPR Plutonium-Helium Modular Power Reactor

PuHMPR Plutonium-Helium Modular Power Reactor. Hudson Rowland, Jake Levy, Yigong Zhang, Justin Dorazio. GT - MHR. Core Geometry. TRISO-coated particle fuel. Fuel Block Geometry. Control Rod Block Geometry. Fuel Block. Control Rod Blocks. PuHMPR Core.

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PuHMPR Plutonium-Helium Modular Power Reactor

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  1. PuHMPRPlutonium-Helium Modular Power Reactor Hudson Rowland, Jake Levy, YigongZhang, Justin Dorazio

  2. GT - MHR

  3. Core Geometry

  4. TRISO-coated particle fuel

  5. Fuel Block Geometry

  6. Control Rod Block Geometry

  7. Fuel Block

  8. Control Rod Blocks

  9. PuHMPR Core

  10. Benchmark design for physics analysis

  11. SCALE Output:Normalized Thermal Flux

  12. Normalized Fast Flux

  13. Keff: Reference vs. Project

  14. Planar Power Distribution

  15. Fuel Cycle

  16. Axial Power Distribution

  17. -2.70 Startup Void Coefficient of Reactivity

  18. Transient keff 725 GWd/MTHM over whole fuel cycle

  19. Isotope Concentrations

  20. Number Density of Pu-239 Fuel Cycle Length = 900 days

  21. 600 MWt 450 MWt 25 MWt 350 MWt

  22. Safety

  23. Block Diagram of T/H Analysis

  24. Modeling Core for T/H Analysis w/ SNAP

  25. Temperature

  26. 90% of initial 238Pu is destroyed in fuel cycle • Fuel is 30 w/o 240Pu after first 1/3 burnup cycle • 60 years for two plants to burn 34 metric tonnesWGPu. Proliferation

  27. Negative coefficient of reactivity • Helium coolant • TRISO particles • Graphite moderator • Reactor Cavity Cooling System (RCCS) Safety Features

  28. Can run 28.62 Gwe-year on the 34 metric tonneWGPu the US has. • $1.025 billion capital cost • $58, 314 per kgHM fuel Economics

  29. Reduced carbon emissions and fission products per kW-h produced due to high efficiency and burnup. • Triso particles help to contain fission products. • About half as much heat released into environment compared to typical light water reactor. Environmental

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