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7/27/2019 PDF-6.5 Other Reactors and Generation IV Concepts
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Nuclear Engineering Program
An Introduction to Nuclear
Power Reactors
L. R. Foulke
Module 6.5
Other Reactors andGeneration IV Concepts
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Pressurized Water Reactor
(Light Water Thermal Reactors)
Image Source: See Note 1
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Nuclear Engineering Program
STEAM CYCLE THERMAL EFFICIENCY Carnot / Theoretical Efficiency
= ( Tin - Tout ) / Tin
T = Temperature [ K or R ]
Limitations
Maximum Steam Temperature from Reactor
Turbine Condenser Heat Sink
Plant Efficiency - MWe / MWt
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Nuclear Engineering Program
STEAM CYCLE
WATER-REACTORS Typical outlet steam temperature [530F or ~1,000R]
Carnot efficiency = (1000-530)/1000=0.47
Actual efficiency < 0.34
GAS-COOLED / LIQUID-METAL Modern Steam Conditions (Ft. St. Vrain steam outlet ~1,460R
Carnot efficiency = (1460-530)/1460=0.64
Actual Efficiency ~ 0.40
HTGR - Direct Cycle / Process Heat
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Nuclear Engineering Program
Pebble Bed
Reactor
Image Source: See Note 2Image Source: See Note 7
7/27/2019 PDF-6.5 Other Reactors and Generation IV Concepts
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Nuclear Engineering Program
Pebble for Pebble Bed Reactor
Image Source: See Note 8
TRISO micro fuel
Particle withdiameter ~0.6 mm
Image Source: See Note 9
7/27/2019 PDF-6.5 Other Reactors and Generation IV Concepts
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Your Instructor in China
inspecting a Pebble
7/27/2019 PDF-6.5 Other Reactors and Generation IV Concepts
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CANDU Reactor
Image Source: See Note 3
7/27/2019 PDF-6.5 Other Reactors and Generation IV Concepts
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LMFBR
Image Source: See Note 3
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7/27/2019 PDF-6.5 Other Reactors and Generation IV Concepts
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Nuclear Engineering Program
Generations of Nuclear Energy
Systems
Image Source: See Note 4
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Nuclear Engineering Program
Goals for Generation IV Nuclear
Energy Systems Sustainability
Economics Safety and Reliability
Proliferation Resistance and Physical
Protection
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Nuclear Engineering Program
The 6 Gen IV Systems Sodium-cooled fast reactor
Gas-cooled fast reactor
Lead-cooled fast reactor
Super-critical water reactor
Molten salt reactor
Very high-temperature reactor
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Nuclear Engineering Program
Sodium Cooled Fast Reactor
Three loops
Sodium coolant
No moderator
Fast Spectrum
Breeder
Image Source: See Note 5
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Nuclear Engineering Program
Molten Salt Reactor
Three loops
Molten Salt Coolant
(inc fuel) Graphite moderator
Thermal Spectrum
Converter
Image Source: See Note 10
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Nuclear Engineering Program
Very High Temperature Reactor
Two Loops
Helium CooledGraphite Moderator
Thermal SpectrumConverter
Image Source: See Note 11
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Nuclear Engineering Program
Small Modular Reactors
Image Source: See Note 6
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1. Public domain:http://en.wikipedia.org/wiki/File:PressurizedWaterReactor.gif
2. Public domain:http://en.wikipedia.org/wiki/File:Pebble_bed_reactor_scheme_%28English%29.svg
3. Reprinted with permission from Nuclear EngineeringInternational UK. Source: World Nuclear Industry Handbook2013.
4. Public domain:http://en.wikipedia.org/wiki/File:GenIVRoadmap.jpg
5. Public domain: http://en.wikipedia.org/wiki/File:Sodium-Cooled_Fast_Reactor_Schemata.svg
6. Reprinted with permission. 2013 Babcock & Wilcox Power,Inc.
7. Reprinted with permission from TGV.http://en.wikipedia.org/wiki/File:Graphitkugel_fuer_Hochtemp
eraturreaktor.JPG,
Image Source Notes
http://en.wikipedia.org/wiki/File:PressurizedWaterReactor.gifhttp://en.wikipedia.org/wiki/File:PressurizedWaterReactor.gifhttp://en.wikipedia.org/wiki/File:Pebble_bed_reactor_scheme_(English).svghttp://en.wikipedia.org/wiki/File:Pebble_bed_reactor_scheme_(English).svghttp://en.wikipedia.org/wiki/File:GenIVRoadmap.jpghttp://en.wikipedia.org/wiki/File:GenIVRoadmap.jpghttp://en.wikipedia.org/wiki/File:Sodium-Cooled_Fast_Reactor_Schemata.svghttp://en.wikipedia.org/wiki/File:Sodium-Cooled_Fast_Reactor_Schemata.svghttp://en.wikipedia.org/wiki/File:Graphitkugel_fuer_Hochtemperaturreaktor.JPGhttp://en.wikipedia.org/wiki/File:Graphitkugel_fuer_Hochtemperaturreaktor.JPGhttp://en.wikipedia.org/wiki/File:Graphitkugel_fuer_Hochtemperaturreaktor.JPGhttp://en.wikipedia.org/wiki/File:Graphitkugel_fuer_Hochtemperaturreaktor.JPGhttp://en.wikipedia.org/wiki/File:Sodium-Cooled_Fast_Reactor_Schemata.svghttp://en.wikipedia.org/wiki/File:Sodium-Cooled_Fast_Reactor_Schemata.svghttp://en.wikipedia.org/wiki/File:GenIVRoadmap.jpghttp://en.wikipedia.org/wiki/File:Pebble_bed_reactor_scheme_(English).svghttp://en.wikipedia.org/wiki/File:Pebble_bed_reactor_scheme_(English).svghttp://en.wikipedia.org/wiki/File:PressurizedWaterReactor.gif7/27/2019 PDF-6.5 Other Reactors and Generation IV Concepts
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8. Creative CommonsAttribution-Share Alike 3.0Unported: Stefan Kuhn:http://en.wikipedia.org/wiki/File:Graphitkugel_fuer_Hochtemperaturreaktor.JPG
9. Public domain:http://en.wikipedia.org/wiki/File:TRISO.gif10. Public domain:
http://en.wikipedia.org/wiki/File:Molten_Salt_Reactor.svg
11. Public domain:http://en.wikipedia.org/wiki/File:Very_High_Temperature_Reactor.svg
Image Source Notes
http://creativecommons.org/licenses/by-sa/3.0/deed.enhttp://creativecommons.org/licenses/by-sa/3.0/deed.enhttp://en.wikipedia.org/wiki/File:Graphitkugel_fuer_Hochtemperaturreaktor.JPGhttp://en.wikipedia.org/wiki/File:Graphitkugel_fuer_Hochtemperaturreaktor.JPGhttp://en.wikipedia.org/wiki/File:TRISO.gifhttp://en.wikipedia.org/wiki/File:Molten_Salt_Reactor.svghttp://en.wikipedia.org/wiki/File:Molten_Salt_Reactor.svghttp://en.wikipedia.org/wiki/File:Very_High_Temperature_Reactor.svghttp://en.wikipedia.org/wiki/File:Very_High_Temperature_Reactor.svghttp://en.wikipedia.org/wiki/File:Very_High_Temperature_Reactor.svghttp://en.wikipedia.org/wiki/File:Very_High_Temperature_Reactor.svghttp://en.wikipedia.org/wiki/File:Molten_Salt_Reactor.svghttp://en.wikipedia.org/wiki/File:Molten_Salt_Reactor.svghttp://en.wikipedia.org/wiki/File:TRISO.gifhttp://en.wikipedia.org/wiki/File:Graphitkugel_fuer_Hochtemperaturreaktor.JPGhttp://en.wikipedia.org/wiki/File:Graphitkugel_fuer_Hochtemperaturreaktor.JPGhttp://creativecommons.org/licenses/by-sa/3.0/deed.enhttp://creativecommons.org/licenses/by-sa/3.0/deed.en