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Atomic Insights

Atomic energy technology, politics, and perceptions from a nuclear energy insider who served as a US nuclear submarine engineer officer

The Atomic Show #142 – American Right-Sized Reactors

September 25, 2009 By Rod Adams 1 Comment

Tom Sanders is an advocate of building right sized reactor power systems to meet human needs. He is a leader of a team working on that technology at Sandia National Laboratory. He is also the President of the American Nuclear Society. He has been doing a lot of traveling lately, answering questions about his vision and sharing his knowledge of nuclear power.

I caught up with him this morning while he was waiting to be able to check into his hotel in Rome.

As described in the lab’s press release and during our conversation, Sandia’s definition of “right sized” reactors fall into the thermal power output range of 100 to 300 MW, which would produce an electrical power output of about 30-150 MW depending on system thermal efficiency. The cores would be long lived breeders that create a sustaining quantity of new fuel as they operate.

The coolant would be sodium, the primary coolant configuration would be a pool, and the secondary heat engine would be a supercritical CO2 closed Brayton cycle gas turbine.

Tom believes that these systems can be made simple enough to operate in remote areas; they would have no need for refueling equipment, and no need to have any access to the fissile core materials. By making these systems appropriate for export markets, Tom realized that they will also be appropriate for a number of domestic customers, particularly those who have filled out weak spots in their grid configuration through the addition of moderate sized gas turbines.

Comments are welcome.

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Additional reading about Sandia’s right sized reactors

  • re505.com – Sandia To Work On “Right Sized” Reactors
  • Next Big Future – Sandia Designing Factory Mass Producible Right Sized Reactor
  • Ceramic Tech Today – Sandia Announces New Small Fission Reactor Design
  • Nuclear Green – The Right Size Reactor and the Human Future
http://s3.amazonaws.com/AtomicShowFiles/tpn_atomic_20090924_142.mp3

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Filed Under: Gas Cooled Reactors, Podcast, Small Nuclear Power Plants

About Rod Adams

Rod Adams is Managing Partner of Nucleation Capital, a venture fund that invests in advanced nuclear, which provides affordable access to this clean energy sector to pronuclear and impact investors. Rod, a former submarine Engineer Officer and founder of Adams Atomic Engines, Inc., which was one of the earliest advanced nuclear ventures, is an atomic energy expert with small nuclear plant operating and design experience. He has engaged in technical, strategic, political, historic and financial analysis of the nuclear industry, its technology, regulation, and policies for several decades through Atomic Insights, both as its primary blogger and as host of The Atomic Show Podcast. Please click here to subscribe to the Atomic Show RSS feed. To join Rod's pronuclear network and receive his occasional newsletter, click here.

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Comments

  1. Aaron Rizzio says

    December 4, 2009 at 1:56 PM

    “Italy was a pioneer of civil nuclear power and in 1946 established the first scientific body to pursue this.

    “In 1966 Enel announced an ambitious program of nuclear plant construction, aiming for 12,000 MWe by 1980. Following this, ANSALDO was set up to supply nuclear components, both local and imported.

    “In 1967 CNEN and Enel started developing an Italian version of the Candu reactor, with heavy water moderation but light water cooling, called CIRENE. In 1972 an order was placed with ANSALDO to build a 40 MWe prototype, but this was not finished until 1988 due to technical problems.

    “In 1973 Enel took a 33% share of the Super Phenix fast breeder reactor being built in France.

    “Following a referendum in November 1987, provoked by the Chernobyl accident 18 months earlier, work on the nuclear program was largely stopped. In 1988 the government resolved to halt all nuclear construction, shut the remaining reactors and decommission them from 1990. As well as the operating plants, two new nuclear BWR plants were almost complete and six locally-designed PWR plants were planned. ENEA (formerly CNEN) also closed various fuel cycle facilities, including a fuel fabrication plant at Bosco Marengo.

    “Italy’s phase out of nuclear energy following the 1987 referendum has had major costs to the whole economy. The Minister of Economic Development in October 2008 put the figure for this “terrible mistake” at some EUR 50 billion.

    “Italy today is now the only G8 country without its own nuclear power, and is the world’s largest net importer of electricity.

    “A public opinion poll in July 2008 (N=800) found that 54% supported nuclear power in Italy while 36% opposed it (compared with 82% opposition in 2007).”

    From http://www.world-nuclear.org/info/inf101.html

    Reply

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