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NN Asks: What hurdles stand in the way of nuclear power’s global expansion?
Jake Jurewicz
Nuclear technology is mature. It provides firm power at scale with minimal externalities and has done so for decades. The core problem isn’t about the technology—it is how the plants are built. Nuclear construction has a well-documented history of cost and schedule overruns. Previous nuclear plants often spent more than twice what was first budgeted, making nuclear among the power technologies with the largest average cost overruns worldwide.
Recent projects illustrate how severe the problem can be. In South Carolina, the V.C. Summer nuclear expansion saw projected costs rise from roughly $10 billion to more than $25 billion before the project was abandoned in 2017, by which time more than $9 billion had already been spent and customers were stuck paying for a site they have yet to benefit from.
S. V. Mirnov, V. A. Evtikhin
Fusion Science and Technology | Volume 47 | Number 3 | April 2005 | Pages 698-702
Technical Paper | Fusion Energy - Divertor and Plasma-Facing Components | doi.org/10.13182/FST05-A766
Articles are hosted by Taylor and Francis Online.
The experimental study of liquid metal tokamak limiters was undertaken in Russian T-3M and T-11M tokamaks (Ip 100kA BT [is approximately equal to] 1T) between 1990-2004. In T-3M droplet stream and film flow Ga limiters were tested. In T-11M the experiments with Li Capillary Pore Systems (CPS) as rail limiter for investigation of real Li erosion in typical tokamak boundary condition (Te = 30 ± 10 eV, Pload = 10 MW/m2, D, He plasma) were performed. It was shown, that use of a liquid metal as material of tokamak limiter has not a serious physical obstacles.
