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Conference Spotlight
2025 ANS Winter Conference & Expo
November 9–12, 2025
Washington, DC|Washington Hilton
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Nuclear Technology
Fusion Science and Technology
October 2025
Latest News
Shifting the paradigm of supply chain
Chad Wolf
When I began my nuclear career, I was coached up in the nuclear energy culture of the day to “run silent, run deep,” a mindset rooted in the U.S. Navy’s submarine philosophy. That was the norm—until Fukushima.
The nuclear renaissance that many had envisioned hit a wall. The focus shifted from expansion to survival. Many utility communications efforts pivoted from silence to broadcast, showcasing nuclear energy’s elegance and reliability. Nevertheless, despite being clean baseload 24/7 power that delivered a 90 percent capacity factor or higher, nuclear energy was painted as risky and expensive (alongside energy policies and incentives that favored renewables).
Economics became a driving force threatening to shutter nuclear power. The Delivering the Nuclear Promise initiative launched in 2015 challenged the industry to sustain high performance yet cut costs by up to 30 percent.
Erzhong Li, H. Zhao, X. Liu, T. Zhou, Q. Cao, A. Ti, Y. Liu, L. Hu
Fusion Science and Technology | Volume 75 | Number 1 | January 2019 | Pages 67-74
Technical Paper | doi.org/10.1080/15361055.2018.1499394
Articles are hosted by Taylor and Francis Online.
This work is motivated by the measurement of electron dynamics during edge-localized modes (ELMs) which is observed as electron cyclotron emission (ECE) bursts at edge. Considering a small optical thickness for both background and energetic electrons at the edge, detailed physical design and analysis of the ECE spectrum have been done when energetic electrons are considered at edge as in this technical note. The assembly of a portable eight-channel heterodyne radiometer is based on the building-block idea to conveniently adjust radio frequency components to suit for tokamak toroidal fields. Tests were performed in the 2016 Fiscal Year Campaign of Experimental Advanced Superconducting Tokamak (EAST) for demonstrating the ability of the system. Specifically, the bursting ECE in combination with the calculated spectrums indicates that the energetic electrons survive in the pedestal region and shift outward during the growing phase of an ELM.
