Transient Behavior of TRIGA, a Zirconium-Hydride, Water-Moderated Reactor
- 1 October 1959
- journal article
- research article
- Published by Taylor & Francis in Nuclear Science and Engineering
- Vol. 6 (4) , 255-259
- https://doi.org/10.13182/nse59-a28840
Abstract
This paper describes the transient behavior of TRIGA, a light-water-cooled reactor using fuel-moderator elements composed of uranium and zirconium hydride. The large, prompt negative temperature coefficient—an inherent characteristic of these fuel-moderator elements—limits reactor power transients primarily by means of fuel-element temperature rise rather than by void formation in the core. Step reactivity insertions of up to 1.6% resulted in peak powers of 250 Mw with no detectable boiling of the core water or expulsion of water from the core.Keywords
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