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DOE, INL, Kairos talk nuclear energy at Senate committee hearing
It has been 10 months since President Trump signed several executive orders that have reshaped the nuclear energy industry and set lofty goals for initiatives like the development and deployment of new nuclear technology.
One such initiative, the DOE’s Nuclear Reactor Pilot Program, calls for at least 3 of the 11 reactors in the program to achieve criticality by July 4, 2026. Some have questioned whether this target is feasible.
B. P. Chock, D. R. Harding, T. B. Jones
Fusion Science and Technology | Volume 73 | Number 2 | March 2018 | Pages 237-247
Technical Paper | doi.org/10.1080/15361055.2017.1378013
Articles are hosted by Taylor and Francis Online.
Surfactant-containing water droplets were produced using a 75-Vrms pondermotive force operating at 10 kHz. Heat from a 30-V direct-current source, applied to a 2 × 0.1-mm region of the fluid, was instrumental in rupturing a low-surface-energy liquid membrane and forming the droplet. The low voltage allows quick and accurate dispensing of droplets without dielectric breakdown. Nanoliter-sized (~7.6-nL) butanol-styrene droplets were formed using 133 Vrms at 900 Hz. Microliter-sized oil droplets (~0.6 to 10.5 μL) were formed using high voltage (460 to 672 Vrms at 100 Hz). Oil-water emulsions were formed and moved horizontally, overcoming frictional and surface tension forces. Large oil droplets were also moved to a wider electrode spacing, where the emulsion can take the spherical shape of a target. This was only achieved by transporting the emulsion down an inclined slope (45 deg) using gravity to augment the electric force. All the steps are in place to form targets from oil-water-oil and water-oil-water emulsions; only the dielectrophoretic centering and polymerization processes, which were demonstrated previously, must be added.