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Cooling and Cracking of Technical HLW Glass Products: Experimental and Numerical Studies

Published online by Cambridge University Press:  26 February 2011

Bernhard Kienzler
Bernhard Kienzler*
Affiliation:
Kernforschungszentrum Karlsruhe GmbH, Institut für Nukleare Entsorgungstechnik, Postfach 3640, D-7500 Karlsruhe 1, Federal Republic of, Germany
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Abstract

Various cooling procedures have been applied to canisters filled with inactive simulated HLW glass and the measured temperature distributions have been compared with numerically computed data. Stress computations of the cooling process were carried out with a finite element method. Only those volume elements having temperatures below the transformation temperature Tg were assumed to contribute thermoelastically to the developing stresses. Model calculations were extended to include real HLW glass canisters with inherent thermal power. The development of stress as a function of variations of heat flow conditions and of the radioactive decay was studied.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 127: Symposium BERLIN – Scientific Basis for Nuclear Waste Management XII , 1988 , 191
Copyright
Copyright © Materials Research Society 1989

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References

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