The Curious Tale of Molten Salt Reactors - media.cns-snc.ca

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The Curious Tale of Molten Salt Reactors May 2 nd 2013 Presentation to Canadian Nuclear Society, Ottawa Branch Dr. David LeBlanc Terrestrial Energy Inc. dleblanc@terrestrialenergyinc.com
The Basics: Molten Salt Reactors • Fuel (Th, U and/or Pu) dissolved in fluoride carrier salts like 2Li 7 F-BeF 2 • This fluid fuel is also the coolant and transfers heat to a secondary “clean” coolant salt • High temperature operation (700 o C) couples well to many systems with high efficiency (upwards of 50%) • Supercritical CO2, Steam, Helium or even open air cycles • Typically graphite moderated
Page 4 and 5: The 1970s Single Fluid, Graphite Mo
Page 6 and 7: Some Design Constraints • ThF 4 a
Page 8 and 9: Design Choices Harder or Softer Spe
Page 10 and 11: Design Choices Denatured vs Pure Th
Page 12 and 13: U.S Historic Timeline • Early 197
Page 14 and 15: Kurchatov Institute Program Mid 197
Page 16 and 17: Conference on Molten Salts in Nucle
Page 20 and 21: Summary of Current World Efforts
Page 22 and 23: Chinese TMSR Program
Page 24 and 25: Reexamining MSRs • MSRs often tho
Page 26 and 27: My Design Philosophy • “A desig
Page 28 and 29: DMSR Converter Reactors • Oak Rid
Page 30 and 31: FPs Fission Products Ingestion Radi
Page 32 and 33: Reactor Lifetime Uranium (t) Annual
Page 34 and 35: Suggested Improvements • Shorter
Page 36 and 37: Low Enriched Uranium Only DMSR •
Page 38 and 39: ORNL FHR Focus on Solid Block Fuel
Page 40 and 41: Thanks ORNL From “cooled” back
Page 42 and 43: Want Higher Power Density, More hea
Page 44 and 45: Where To From Here? • Worldwide i
Page 46 and 47: Introducing… Terrestrial Energy I
Page 48 and 49: EXTRA SLIDES…
Page 51 and 52: LWR Fuel Cycle Costs All assume 100
Page 53 and 54:
MSBR Fuel Cycle Costs Estimate base
Page 55 and 56:
DMSR Fuel Cycle Costs Estimate base
Page 57 and 58:
What factors differentiate between
Page 59 and 60:
Mid 60s ORNL Two Fluid MSBR
Page 61 and 62:
Mid 60s ORNL Two Fluid MSBR Disadva
Page 63 and 64:
Single Fluid Graphite MSBR (70s) Di
Page 65 and 66:
Late 1970s DMSR Converter 30 Year O
Page 67 and 68:
Traditional FUJI • Advantages vs
Page 69 and 70:
1 ½ Fluid MSFR (was TMSR) Design h
Page 71 and 72:
1 ½ Fluid MSFR (was TMSR) Disadvan
Page 73 and 74:
Fusion Structural Materials Studied
Page 75 and 76:
MSR 1/3 the total volume of PWR Com
Page 77 and 78:
All radiation within a sealed “Ho
Page 79 and 80:
Off Gas Both a Benefit and Challeng
Page 81 and 82:
Advantages of all Molten Salt React
Page 83 and 84:
A Brief History of Molten Salt Reac
Page 85 and 86:
A Brief History of Molten Salt Reac
Page 87 and 88:
I told you I’d bring this up Jess
Page 89 and 90:
Pebble Bed FHR (MIT, UCB, Wisconsin
Page 91:
Testing Pebble Flow UC Berkeley Als
Page 94 and 95:
What factors differentiate between
Page 96:
More on Molten Salt “Cooled” Re
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