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Pre-operational Acceptance Test Procedures for the Materials Testing Reactor
Following the construction phase of the Materials Testing Reactor and the completion of Part I of the pre-operational acceptance tests, a series of acceptance tests on the reactor proper will be necessary. It is the purpose of this manual to describe in detail such a series of tests. These tests fall naturally into several well-defined phases. They are, approach to criticality; study of characteristics of the reactor and its components; establishment of power rating; and full power operation.
Characterization and Testing of Materials for Nuclear Reactors
Industrial growth, energy consumption are seen as measures towards economic developments. With increase in industrial development worldwide, the demand of energy is continually on the rise. Today, the energy industry is facing many challenges. Nuclear fission and nuclear fusion are seen as important future energy sources. Development of innovative reactor designs with large efficiency for fuel burn up is one of the needs of fission reactors. The materials resistant to high dose of radiations in fusion reactors is another major challenge. The production of electricity without global warming is an important pressing demand on the energy sector. The demands on quality control of components for ...
Reducing the Use of Highly Enriched Uranium in Civilian Research Reactors
The continued presence of highly enriched uranium (HEU) in civilian installations such as research reactors poses a threat to national and international security. Minimization, and ultimately elimination, of HEU in civilian research reactors worldwide has been a goal of U.S. policy and programs since 1978. Today, 74 civilian research reactors around the world, including 8 in the United States, use or are planning to use HEU fuel. Since the last National Academies of Sciences, Engineering, and Medicine report on this topic in 2009, 28 reactors have been either shut down or converted from HEU to low enriched uranium fuel. Despite this progress, the large number of remaining HEU-fueled reactors demonstrates that an HEU minimization program continues to be needed on a worldwide scale. Reducing the Use of Highly Enriched Uranium in Civilian Research Reactors assesses the status of and progress toward eliminating the worldwide use of HEU fuel in civilian research and test reactors.
Applications of Research Reactors
This publication is a comprehensive study that reviews the current situation in a great number of applications of research reactors. It revises the contents of IAEA TECDOC-1234, The Applications of Research Reactors, giving detailed updates on each field of research reactor uses worldwide. Reactors of all sizes and capabilities can benefit from the sharing of current practices and research enabled via this updated version, which describes the requirements for practicing methods as diverse as neutron activation analysis, education and training, neutron scattering and neutron imaging, silicon doping and radioisotope production, material/fuel irradiation and testing, and some others. Many underutilised research reactors can learn how to diversify their technical capabilities, staff and potential commercial partners and users seeking research reactor services and products. The content of the publication has also been strengthened in terms of current issues facing the vast majority of research reactors by including sections describing user and customer relations as well as strategic planning considerations.
WAPD-1 Experiments in the Materials Testing Reactor
An experiment has been performed to measure the gamma heating effect in aluminum in the L-42 location within the active lattice of the Materials Testing Reactor. At full power a maximum value of 12.5 watts/gm was obtained at the reactor centerline. This value was approximately proportional to reactor power level at steady state conditions. The value of gamma heat was found to be dependent upon vertical position in the reactor.
