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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.
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2024 ANS Annual Conference
June 16–19, 2024
Las Vegas, NV|Mandalay Bay Resort and Casino
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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
DOE issues RFQ for clean-energy projects at WIPP
The Department of Energy has issued a request for qualifications (RFQ) for interested parties that are looking to establish carbon pollution–free electricity (CFE) projects at its Waste Isolation Pilot Plant site in New Mexico.
Shashi Kant Verma, Samiran Shanti Mukherjee, Ranjana Gangradey, R. Srinivasan, Vishal Gupta, Paresh Panchal, Pratik Nayak
Fusion Science and Technology | Volume 76 | Number 6 | August 2020 | Pages 770-785
Technical Note | doi.org/10.1080/15361055.2020.1777674
Articles are hosted by Taylor and Francis Online.
For the last 15 to 20 years, substantial advancement has been achieved globally in the field of pellet injector technology (PIT). Nuclear fusion is a method for producing high-energy neutrons, alpha particles, and an enormous amount of energy with the help of thermonuclear reaction of hydrogen isotopes. The way of producing this huge energy source is similar to that of the sun’s generated energy. This type of energy does not produce greenhouse gases or a high-level radioactive surplus. Solid hydrogen is used as a fuel in a fusion reactor in the form of pellets of different diameters and lengths. These pellets are produced by a pellet injector. In the sophisticated fueling system, these pellets are continuously produced with the help of a twin-screw extruder (TSE) and cooled by more than one cryocooler or liquid helium. Each pellet injection system has its pros and cons. We have identified different injection criteria for different types of injectors. Higher-density, continuous injection with high reliability is the major constraint of a future pellet injection system such as the Gifford-McMahon cryocooler-based TSE. In the past, limited innovative applications for PIT were established and used effectively in fusion experiments. At the present time, an innovative cryogenic-based extrusion system is being designed to meet the different injection criteria. This technical notepresents the progress of eminent activities, discusses some of the best models as developed by Fisher and Arumugam et al., and highlights recent progress. Gray areas such as non-Newtonian behavior of solid H2 with thermodynamics analysis are also discussed as well as associated challenges with recent key developments in the field of PIT.