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2025 ANS Winter Conference & Expo
November 9–12, 2025
Washington, DC|Washington Hilton
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Latest News
The current status of heat pipe R&D
Idaho National Laboratory under the Department of Energy–sponsored Microreactor Program recently conducted a comprehensive phenomena identification and ranking table (PIRT) exercise aimed at advancing heat pipe technology for microreactor applications.
William G. Pettus
Nuclear Science and Engineering | Volume 11 | Number 2 | October 1961 | Pages 129-132
Technical Paper | doi.org/10.13182/NSE61-A28057
Articles are hosted by Taylor and Francis Online.
The age of U235 fission neutrons to indium resonance energy has been measured in a number of lattices of Th-H2O and Th-Al-H2O and compared with theoretical calculations. As a check on the procedure similar measurements were made in pure water yielding a result of 27.0 ± 0.9 cm2. In addition, the ratio of the age of U233 fission neutrons to the age of U235 fission neutrons in water was found to be 0.948 ± 0.033.
