Nuclear Power in Perspective and Intro to Nuclear Reactors.

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Presentation transcript:

Nuclear Power in Perspective and Intro to Nuclear Reactors

Top 10 Nuclear Generating Countries

Nuclear Energy Production Although the national percentage of nuclear generated electricity is 19%, it varies from state to state.

U.S. Primary Energy Consumption

U.S. Electricity Flow Conversions and Losses Btu or 63.4 %

U.S. Capacity Brought Online by Fuel Type

Fifteen Ways to Stabilize CO 2 Emissions Of the 15 methods (wedges) proposed by a Princeton University study, 13 of them relate energy use. Implementation of any 7 would accomplish the goal of stabilizing emissions. 1. Efficient vehicles 2. Reduced use of vehicles 3. Efficient buildings 4. Efficient coal power plants 5. Gas instead of coal power plants 6. Capture CO 2 at base load power plant 7. Nuclear power for coal power 8. Wind power for coal power 9. Photovoltaic power for coal power 10. Capture CO 2 at H 2 plant 11. Capture CO 2 at coal-to-synfuels plant 12. Wind H 2 in fuel-cell car for gasoline in hybrid car 13. Biomass fuel for fossil fuel

Aerial View of Watts Bar Nuclear Plant

Fuel Assembly & Rods

Fuel Rod Assembly Fuel Rod Assembly

Reactor Coolant System Reactor Coolant System

Steam Generator Steam Generator

Reactor Vessel

Re-circulating Pump (Vessel, Piping, Pumps…) Re-circulating Pump (Vessel, Piping, Pumps…)

Nuclear Reactor Facts – Watts Bar Containment Building 210’ – 250’ Tall, 130’ – 175’ diameter. Control Rods:45 – 92 per assembly Fuel Pellets:1/3” dia, ½” long, less than1/3 oz. = 1600 lbs of coal, 3.5 brls of oil, 15K cf gas 314 – 350 pellets per rod Fuel rods made from Zircaloy (metal alloy), pellets and helium. Fuel rod assembly = rods, 13’8” long, 8x8 rods sqr., 1300 lbs Reactor will hold fuel rod assemblies = 32k – 52k rods = 10,048,000 – 18.2 million pellets per reactor

Spent Fuel Pool

Containment Containment

Watts Bar Nuclear Plant Facts Last new commercial nuclear power plant in US Came online in May 1996 Generates 1170 Megawatts of electricity Produced >112 billion kwhs of electricity About 620 TVA employees, annual payroll of ~$66 million Unit 2 expected complete in contractors and 250 additional permanent jobs

Three Mile Island-2 (TMI-2)

Chernobyl April 26, 1986

Cross Section of Chernobyl

Post Accident 31 immediate fatalities (all but one due to radiation exposure) >200 people hospitalized due to exposure 135,000 people evacuated (though none immediately) ~50 million curies of radioactive material released

Any of the first 5 would have prevented accident