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Conference Spotlight
Nuclear Energy Conference & Expo (NECX)
September 8–11, 2025
Atlanta, GA|Atlanta Marriott Marquis
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New coolants, new fuels: A new generation of university reactors
Here’s an easy way to make aging U.S. power reactors look relatively youthful: Compare them (average age: 43) with the nation’s university research reactors. The 25 operating today have been licensed for an average of about 58 years.
B. W. Lee, S. H. Levine
Nuclear Science and Engineering | Volume 62 | Number 1 | January 1977 | Pages 130-136
Technical Paper | doi.org/10.13182/NSE77-A26944
Articles are hosted by Taylor and Francis Online.
The increase in intensity of a 252Cf neutron source surrounded by uranium depleted in the 235U isotope has been measured, and the results of this experiment were used to determine of238U for 252Cf spontaneous-fission neutrons. The measurement was performed in the TRIGA Mark III reactor, using the multiplication property of a subcritical TRIGA core. A Monte Carlo calculation was performed, which employed ENDF/B-III data, to provide analytical results for comparison with the measurements. The source enhancement obtained using a depleted uranium cylinder surrounding the 252Cf source was measured to be (7.35 ± 0.20)% compared with a calculated value of (7.11 ± 0.15)%. The calculated results, using ENDF/B-III data, agree with the measurement within the uncertainty of the evaluated values of v and σƒ.
