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|Title:||Postirradiation Testing of High Temperature Reactor Spherical Fuel Elements Under Accident Conditions|
|Authors:||FREIS Daniel; BOTTOMLEY Paul; EJTON John; DE WEERD Wim; KOSTECKA H.; TOSCANO E.h.|
|Citation:||JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER-TRANSACTIONS OF THE ASME vol. 132 p. 042901 (1-6)|
|Publisher:||ASME-AMER SOC MECHANICAL ENG|
|Type:||Articles in periodicals and books|
|Abstract:||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.|
|JRC Institute:||Nuclear Safety and Security|
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