A new furnace for accident condition testing of spherical high temperature reactor fuel elements has been installed and now operates in the hot cells of the Institute for Transuranium Elements (ITU) Karlsruhe. The recent apparatus was constructed on the basis of a former development by Forschungszentrum Jülich (Schenk, Pitzer, and Nabielek, 1988, “Fission Product Release Profiles From Spherical HTR Fuel Elements at Accident Temperatures,” Jülich Report No. 2234), where it was named KüFA, the German acronym for cold finger apparatus. In a preceding publication (Kostecka, Ejton, de Weerd, and Toscano, 2004, “Post-Irradiation Testing of HTR-Fuel Elements Under Accident Conditions, Part 1 and 2,” Second International Topical Meeting on High Temperature Reactor Technology, Beijing, China) the general concept and details of the device were described. The present paper reports on the first operation under hot conditions, and the calibration of the fission gas measurement and of the efficiency of the cold finger, which is used to plate out solid fission products. Finally the results of fission product release and analysis of two heating tests on two fuel elements from the high temperature reactor K6 irradiation experiment (Nabielek, Conrad, Roellig, and Meyers, 1993, “Fuel Irradiation Experiments on HFR-K6 and HFR-B1 With Intermittent Water Vapour Injections,” Technical Committee Meeting on Response of Fuel, Fuel Elements and Gas Cooled Reactor Cores Under Accidental Air or Water Ingress Conditions, Beijing, China, Oct. 25–27) are presented and discussed.
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April 2010
Research Papers
Postirradiation Testing of High Temperature Reactor Spherical Fuel Elements Under Accident Conditions
D. Freis,
D. Freis
Institute for Transuranium Elements,
European Commission-Joint Research Centre
, Postfach 2340, Karlsruhe 76344, Germany
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D. Bottomley,
D. Bottomley
Institute for Transuranium Elements,
European Commission-Joint Research Centre
, Postfach 2340, Karlsruhe 76344, Germany
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J. Ejton,
J. Ejton
Institute for Transuranium Elements,
European Commission-Joint Research Centre
, Postfach 2340, Karlsruhe 76344, Germany
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W. de Weerd,
W. de Weerd
Institute for Transuranium Elements,
European Commission-Joint Research Centre
, Postfach 2340, Karlsruhe 76344, Germany
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H. Kostecka,
H. Kostecka
Institute for Transuranium Elements,
European Commission-Joint Research Centre
, Postfach 2340, Karlsruhe 76344, Germany
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E. H. Toscano
E. H. Toscano
Institute for Transuranium Elements,
European Commission-Joint Research Centre
, Postfach 2340, Karlsruhe 76344, Germany
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D. Freis
Institute for Transuranium Elements,
European Commission-Joint Research Centre
, Postfach 2340, Karlsruhe 76344, Germany
D. Bottomley
Institute for Transuranium Elements,
European Commission-Joint Research Centre
, Postfach 2340, Karlsruhe 76344, Germany
J. Ejton
Institute for Transuranium Elements,
European Commission-Joint Research Centre
, Postfach 2340, Karlsruhe 76344, Germany
W. de Weerd
Institute for Transuranium Elements,
European Commission-Joint Research Centre
, Postfach 2340, Karlsruhe 76344, Germany
H. Kostecka
Institute for Transuranium Elements,
European Commission-Joint Research Centre
, Postfach 2340, Karlsruhe 76344, Germany
E. H. Toscano
Institute for Transuranium Elements,
European Commission-Joint Research Centre
, Postfach 2340, Karlsruhe 76344, GermanyJ. Eng. Gas Turbines Power. Apr 2010, 132(4): 042901 (6 pages)
Published Online: January 15, 2010
Article history
Received:
October 20, 2008
Revised:
October 21, 2008
Online:
January 15, 2010
Published:
January 15, 2010
Citation
Freis, D., Bottomley, D., Ejton, J., de Weerd, W., Kostecka, H., and Toscano, E. H. (January 15, 2010). "Postirradiation Testing of High Temperature Reactor Spherical Fuel Elements Under Accident Conditions." ASME. J. Eng. Gas Turbines Power. April 2010; 132(4): 042901. https://doi.org/10.1115/1.3094020
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