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Determination of the residual thermal power in spent nuclear fuel from gamma-ray measurements
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Radiation Sciences.
1996 (English)Report (Other academic)
Abstract [en]

A method of determining the decay heat in spent nuclear fuel using the gamma radiation from 137Cs is presented. The method is useful for fuel assemblies with a cooling time longer than 5 years. Experimental tests of the method are presented for eleven 8x8 BWR fuel assemblies with cooling times in the range 5 to 15 years. The decay heat is determined with a 3.5 % error for these assemblies. Simulations with the code Origen2.1 shows that this uncertainty can be expected to be reduced for fuel assemblies with cooling times of the order of 40 years.

Place, publisher, year, edition, pages
1996. , 68 p.
, ISV Internal Report, ISV-4/97
National Category
Subatomic Physics
Research subject
Nuclear Physics
URN: urn:nbn:se:uu:diva-174938OAI: diva2:529343
Available from: 2012-06-01 Created: 2012-05-30 Last updated: 2012-07-10Bibliographically approved

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ISV_4_1997.pdf(644 kB)97 downloads
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Jansson, Peter
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Department of Radiation Sciences
Subatomic Physics

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