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DOE selects first companies for nuclear launch pad
The Department of Energy’s Office of Nuclear Energy and the National Reactor Innovation Center have announced their first selections for the Nuclear Energy Launch Pad: three companies developing microreactors and one developing fuel supply.
The four companies—Deployable Energy, General Matter, NuCube Energy, and Radiant Industries—were selected from the initial pool of Reactor Pilot Program and Fuel Line Pilot Program applicants, the two precursor programs to the launch pad.
William Bennett, Ryan G. McClarren, Jim Ferguson
Nuclear Science and Engineering | Volume 200 | Number 4 | April 2026 | Pages 781-799
Research Article | doi.org/10.1080/00295639.2025.2584756
Articles are hosted by Taylor and Francis Online.
Verification solutions for the radiographic imaging of blast waves are produced under certain assumptions. These are the spatial independence of the hydrodynamics and radiation in the y- and z-directions, monoenergetic radiation, nonrelativistic fluid kinetics, no significant heat transfer from incident X-rays, and negligible radiation energy compared to the internal energy of the fluid. The last two assumptions uncouple the hydrodynamics equations from the radiation transport equation. Radiograph solutions are given in general for a purely absorbing medium with cross sections that are a function of the traveling shock. Specific solutions are constructed for a square density wave and for the Taylor-Sedov–von Neumann self-similar blast wave. The influence of relativistic effects in the radiation equations due to high blast velocities is examined. In addition to the analytic pure absorber results, a transport benchmark solver is applied to the problem to produce radiation results to simulate Thomson scattering in the shocked fluid.