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Division Spotlight
Aerospace Nuclear Science & Technology
Organized to promote the advancement of knowledge in the use of nuclear science and technologies in the aerospace application. Specialized nuclear-based technologies and applications are needed to advance the state-of-the-art in aerospace design, engineering and operations to explore planetary bodies in our solar system and beyond, plus enhance the safety of air travel, especially high speed air travel. Areas of interest will include but are not limited to the creation of nuclear-based power and propulsion systems, multifunctional materials to protect humans and electronic components from atmospheric, space, and nuclear power system radiation, human factor strategies for the safety and reliable operation of nuclear power and propulsion plants by non-specialized personnel and more.
Meeting Spotlight
Utility Working Conference and Vendor Technology Expo (UWC 2024)
August 4–7, 2024
Marco Island, FL|JW Marriott Marco Island
Standards Program
The Standards Committee is responsible for the development and maintenance of voluntary consensus standards that address the design, analysis, and operation of components, systems, and facilities related to the application of nuclear science and technology. Find out What’s New, check out the Standards Store, or Get Involved today!
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Latest News
Four million nuclear jobs by 2050: Who will do them?
Industry leaders from around the globe met this month to discuss the talent development that will be necessary for the long-term success of the nuclear industry.
The International Conference on Nuclear Knowledge Management and Human Resources Development, hosted by the International Atomic Energy Agency, was held in Vienna earlier this month. Discussed there was the agency’s forecast for nuclear capacity to more than double—or hopefully triple—by 2050 and the requirement of more than four million professionals to support the industry.
Dov Ingman, Leib Reznik
Nuclear Technology | Volume 74 | Number 3 | September 1986 | Pages 243-259
Technical Paper | Fission Reactor | doi.org/10.13182/NT86-A33827
Articles are hosted by Taylor and Francis Online.
A multicomponent system, specified by a high level of power generation and transformation as a thermodynamics system with strong interaction between the elements, is considered in the reliability analysis. The reliability of each system element is dependent on the average energy of the system. The approach, which aims to give proper consideration to the system / element interaction, is based on the energy accumulation aspects of various processes of the element and the system deterioration. The phenomena of coherent blockages of core coolant channels for different geometrical configurations serve to demonstrate that there exists, in principle, a possibility of failure of the system through cooperative failures of its elements. The investigation is based on statistical thermodynamics, particularly on the approach of “phase transitions,” and also on the percolation theory results. The developed model has been employed to evaluate the propagation rate of the subchannel blockages under critical conditions. In spite of the simplified character of the model, it has demonstrated the necessity of including consideration of collective phenomena in the reliability analysis of multicomponent systems characterized by a high power level. The developed approach permits construction of a minimum set of generalized system parameters that describe the critical system behavior. A quantitative determination of these parameters and an application of the model to specific reactor core designs and severe transient scenarios will be the subject of further investigation.