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Jules Horowitz reactor.development of an experimental loop integrating an optimized irradiation process.

Abstract : Experimental reactors enable researchers to address industry and scientific organiza-tion's needs, by providing support to the existing nuclear reactors (Gen.2), by prepar-ing the future generations of reactors (Gen.3, Gen.4) or by supporting fusion related issues and medical applications. It is for this specific purpose that the Jules Horowitz Polyvalent Irradiation Reactor (JHR) is under construction at the CEA Cadarache Research Center (located South of France). This Material Testing Reactor (MTR type) is designed to irradiate materials or fuel samples to conduct various types of experimental tests. The reactor will also produce Mo99 radioelements that will supply 25% to 50% of current European needs.The purpose of this paper is to describe a new fuel irradiation loop, called ADELINE, specifically dedicated to study fuel rod behavior under power ramp transients. The de-sign of the instrumented loop is still ongoing but the test device will be fully operational when JHR will start. ADELINE loop is planned to perform various types of power ramps, from slow to high ramp rates, from low to very high power changes, on different types of fuel concepts such as regular fuel, PCI resistant fuel, Enhanced Accident Tolerant fuel concepts, etc). The main feature of the test device is to provide the industry with well characterized ramps tests allowing defining reliable SCC-PCI (Stress Corrosion Cracking-Pellet Cladding Interaction) failure thresholds. In order to increase its irradiation capacity (2 to 3 power ramps per JHR cycle), each phase of the experimental procedure has been carefully optimized for instance, non-destructive examinations are performed before and after the test in JHR hot cells, specific loading tools have been designed to facilitate the handling phases or reliable test protocols have been qualified on a similar test device (like the one used in OSIRIS). The objective is to fulfill all the customers' needs, in a high quality experimental environment.
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  • HAL Id : cea-02431790, version 1

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S. Gaillot, L. Diaz, T. Dousson, N. Waeckel, S. Gay, et al.. Jules Horowitz reactor.development of an experimental loop integrating an optimized irradiation process.. RRFM-IGORR 2016, Mar 2016, Berlin, Germany. ⟨cea-02431790⟩

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