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The deadline arrives: Checking in on the Reactor Pilot Program
On May 23, 2025, President Trump signed Executive Order 14301, “Reforming Nuclear Reactor Testing at the DOE,” which instructed the Department of Energy to create a Reactor Pilot Program (RPP)—a new system in which companies could pursue DOE authorization to build and test their first-of-a-kind nuclear technologies. EO 14301 set an ambitious goal for that program: three reactors achieving criticality by July 4, 2026.
Modesto Iriarte, Jr.
Nuclear Science and Engineering | Volume 7 | Number 1 | January 1960 | Pages 26-32
Technical Paper | doi.org/10.13182/NSE60-A25694
Articles are hosted by Taylor and Francis Online.
A transfer function for the heat release in cylindrical fuel elements is derived. The time constants of the transfer function are given in curves as a function of the fuel element rod radius and thermal conductivity of UO2. The average fuel element temperature, needed in connection with Doppler effect, is given as a function of the heat release transfer function parameters. Coolant temperature variations are taken into consideration.
