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Division Spotlight
Nuclear Installations Safety
Devoted specifically to the safety of nuclear installations and the health and safety of the public, this division seeks a better understanding of the role of safety in the design, construction and operation of nuclear installation facilities. The division also promotes engineering and scientific technology advancement associated with the safety of such facilities.
Meeting Spotlight
2024 ANS Annual Conference
June 16–19, 2024
Las Vegas, NV|Mandalay Bay Resort and Casino
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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Nuclear Science and Engineering
April 2024
Nuclear Technology
Fusion Science and Technology
February 2024
Latest News
Can hydrogen be the transportation fuel in an otherwise nuclear economy?
Let’s face it: The global economy should be powered primarily by nuclear power. And it probably will by the end of this century, with a still-significant assist from renewables and hydro. Once nuclear systems are dominant, the costs come down to where gas is now; and when carbon emissions are reduced to a small portion of their present state, it will become obvious that most other sources are only good in niche settings. I mean, why use small modular reactors to load-follow when they can just produce that power instead of buffering it?
C. Wang, B. Lu, J. Liang, H. Zeng, X. Y. Bai, Y. L. Chen, M. Huang
Fusion Science and Technology | Volume 73 | Number 4 | May 2018 | Pages 539-544
Technical Paper | doi.org/10.1080/15361055.2017.1396149
Articles are hosted by Taylor and Francis Online.
A pillbox-type radio-frequency window for lower-hybrid current drive power transmission of 3.7 GHz for 200 kW/2 s is designed. The relative permittivity and the loss tangent of several domestic materials—alumina, boron nitride, and sapphire—are exactly compared by the rectangular cavity perturbation method, and finally, the sapphire is chosen as the window medium. The reflection coefficient of the optimized window can reach 55−dB at 3.7 GHz simulated by high-frequency simulation software, and the peak temperature rise can be limited at 20°C with maximum thermal stress of 1.7 MPa by thermal and mechanical analysis. In the high-power test, 221 kW/3 s energy passes the welded window.