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NNSA issues Mo-99 cooperative agreement to Niowave
The Department of Energy’s National Nuclear Security Administration has issued a cooperative agreement worth $13 million to Niowave, of Lansing, Mich., to support the commercial production of molybdenum-99, a critical isotope used in more than 40,000 medical procedures in the United States each day, including the diagnosis of heart disease and cancer.
Graydon L. Yoder, Jr., David G. Morris, Charles B. Mullins
Nuclear Technology | Volume 68 | Number 3 | March 1985 | Pages 355-369
Technical Paper | Nuclear Fuel | dx.doi.org/10.13182/NT85-A33581
Articles are hosted by Taylor and Francis Online.
Rod bundle burnout data from 30 steady-state and 3 transient tests were obtained from experiments performed in the Thermal Hydraulic Test Facility at the Oak Ridge National Laboratory. The tests covered a parameter range relevant to intact core reactor accidents ranging from large break to small break loss-of-coolant conditions. Instrumentation within the 64-rod test section indicated that burnout occurred over an axial range within the bundle. The distance from the point where the first dry rod was detected to the point where all rods were dry was up to 60 cm in some of the tests. The burnout data should prove useful in developing new correlations for use in reactor thermal-hydraulic codes. Evaluation of several existing critical heat flux correlations using the data show that three correlations, the Barnett, Bowring, and Katto correlations, perform similarly and correlate the data better than the Biasi correlation.