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- Fission_fragment_reactor abstract "Similar to how the fission-fragment rocket produces thrust, a fission fragment reactor is a nuclear reactor that generates electricity by decelerating an ion beam of fission byproducts instead of using nuclear reactions to generate heat. By doing so, it bypasses the Carnot cycle and can achieve efficiencies of up to 90% instead of 40-45% attainable by efficient turbine-driven thermal reactors.The fission fragment ion beam would be passed through a magnetohydrodynamic generator to produce electricity.Fission fragment reactor designs generally have several common components. The reactor chamber contains a high surface area nuclear fuel to both facilitate direct emission of fission fragments and assist in cooling the fuel. Generally, if fuels subject to criticality are used instead of those that naturally decay (as in a nuclear battery), a moderator is typically involved as well. A magnetic mirror induced by an axial magnetic field typically collates the fragments into a beam that can then be decelerated to generate power. The rate the particles decelerate at depends on their energy; as a consequence, the deceleration process also can help provide isotopic separation as an automatic reprocessing stage.An earlier design by scientists at Idaho National Engineering Laboratory and Lawrence Livermore National Laboratory involved the concept of coating fine carbon wires with fissionable fuel. While this had a high surface area, it proved not enough to radiate the heat absorbed during the reactions, so their design was modified to rotate long wires through the core, giving them time to cool.A later design by Rodney A. Clark and Robert B. Sheldon involves the use of a dusty plasma of electrostatically suspended fuel nanoparticles in the core. This increases the surface area enough to allow for effective radiative cooling. As the particles naturally ionize as fission occurs, electrostatic suspension is a simple process.".
- Fission_fragment_reactor wikiPageID "6314070".
- Fission_fragment_reactor wikiPageRevisionID "574049766".
- Fission_fragment_reactor hasPhotoCollection Fission_fragment_reactor.
- Fission_fragment_reactor subject Category:Nuclear_reactors.
- Fission_fragment_reactor type Apparatus102727825.
- Fission_fragment_reactor type Artifact100021939.
- Fission_fragment_reactor type Equipment103294048.
- Fission_fragment_reactor type Instrumentality103575240.
- Fission_fragment_reactor type NuclearReactor103834040.
- Fission_fragment_reactor type NuclearReactors.
- Fission_fragment_reactor type Object100002684.
- Fission_fragment_reactor type PhysicalEntity100001930.
- Fission_fragment_reactor type Whole100003553.
- Fission_fragment_reactor comment "Similar to how the fission-fragment rocket produces thrust, a fission fragment reactor is a nuclear reactor that generates electricity by decelerating an ion beam of fission byproducts instead of using nuclear reactions to generate heat.".
- Fission_fragment_reactor label "Fission fragment reactor".
- Fission_fragment_reactor sameAs m.0g0nrh.
- Fission_fragment_reactor sameAs Q5455237.
- Fission_fragment_reactor sameAs Q5455237.
- Fission_fragment_reactor sameAs Fission_fragment_reactor.
- Fission_fragment_reactor wasDerivedFrom Fission_fragment_reactor?oldid=574049766.
- Fission_fragment_reactor isPrimaryTopicOf Fission_fragment_reactor.