Post on 21-Apr-2017
transcript
GENERATION 4 NUCLEAR REACTORS
PRESENTED BY:SUBHENDU NASKARROLL NO-165508INDUSTRIAL METALLURGY
NUCLEAR REACTOR
DEVICE TO INITIATE AND CONTROL THE CHAIN REACTION.
SIMILAR TO THE BOILER IN THE BOILER IN THE THERMAL POWER PLANT.
NUCLEAR REACTOR FUEL IS BURNT TO PRODUCE STEAM WITH THE HELP OF HEAT
EXCHANGER TODAY 450 REACTORS ARE USED TO GENERATE
ELECTRICITY IN 30 COUNTRIES AROUND THE WORLD.
NEED
Global greenhouse gas (GHG) emissions have grown since pre-industrial times, 76% between 1970 and 2010.Earth’s climate change which include
Temperature, sea level, ocean circulation, desertification, storm frequency.
EVOLUTION
Reference: 45nuclearplants.com
GENERATION 4 REACTOR
NUCLEAR ENERGY SYSTEM OFFERING SIGNIFICANT ADVANCES IN SUSTAINABILITY, SAFETY, RELIABILITY AND ECONOMICS.THIS DESIGN NOT EXPECTED TO BE
AVAILABLE FOR COMMERCIAL CONSTRUCTION BEFORE 2030.
GOALS
Environmental FriendlinessMinimization of WasteFuel UtilizationEfficiencyLower costsIncrease Safety
TYPES OF GENERATION IV REACTORS
GAS COOLED FAST REACTORSODIUM COOLED FAST REACTORMOLTEN SALT REACTORSUPERCRITICAL WATER COOLED REACTOR
GAS COOLED FAST REACTOR
CHARACTERISTICSHelium or CO2 coolantReprocessing spent fuel850C outlet temperatureHigh efficiencyEnvironment friendly
BENEFITSDestroy long term isotopesUtilize fuel efficiently
Reference: peaceful ways to use nuclear energy (wordpress.com)
SODIUM COOLED FAST REACTORCHARACTERISTICS
Sodium is a bad moderator.Sodium can be kept at atmospheric pressure.Non-corrosiveCan be produce 1500MW.High conversion ratio.
Reference: azimuthproject.org
MOLTEN SALT REACTOR
CHARACTERISTICSCoolant or even fuel is molten salt mixture. higher thermodynamic efficiency. nuclear fuel dissolved in coolant. Graphite core serves as moderator.Improved safety.
Reference: Nuclear Engineering International (neimagazine.com)
SUPERCRITICAL WATER COOLED REACTOR
CHARACTERISTICSOperate as thermal or fast reactor.Simple design.Compact outline.Low cost electricity.
CONCLUSION
Increased efficiency.Improved Safety .Waste minimization.Natural resource utilisation.Decreased Cost .
REFERENCES
Generation IV Nuclear System: state of art and current trends with Emphasis on safety and security features.Characteristics features, economical aspects and environmental impacts of gen-4 nuclear power for developing countries .Introduction to generation IV nuclear enrgy systems and the international forum .A Technology Roadmap for generation IV Nuclear Energy Systems .Structural materials challenges for advanced reactor systems.
THANK YOU FOR GIVING YOUR PRECIOUS TIME