https://safirsoft.com Fusion startup Fusion has reached a milestone thanks to MIT support: large superconducting magnets

Calculations show that the magnet must allow the fusion to decay into energy. High-temperature non-metallic superconductors are now commercially available and can generate stronger magnetic fields and enable a simpler and more compact fusion reactor. But when the calculation was made, the physicists behind this work did not stop. Instead, they formed a company, Commonwealth Fusion Systems, and decided to test their accounts.

On Tuesday, Commonwealth Fusion Systems announced that it had reached a milestone in its roadmap to launch a fusion plant in 2025. The company used high-temperature commercial superconductors to build a three-meter-high magnet that could operate. Stable at 20 Tesla magnetic field strength. The magnets are similar in design to those containing plasma in the core of the company's planned reactor. An entire field of research that has been struggling for decades is ambitious, but it shows how the right formula can be crafted to help with the climate crisis we face. A number of corporate leaders have cited climate change as an inspiration for their work.

"The outlook is simple: Can fusion energy be effective in climate change in time?" "That's what all the members of this team set out to do," said Dennis White of the Massachusetts Institute of Technology. "Fusion is the energy source the world needs and needs to do quickly. And we're about to use it for humanity." Hundreds of years of waiting for renewables to arrive at fusion allow for an increase in the current cost advantage over other types of production. It gives engineers time to learn to manage the changing wind and solar challenges. This makes the merge irrelevant until the problem is resolved.

That's why fusion systems in the CIS want to launch a reactor by 2025 that will even fail - fusion reactions release as much energy as they need to start. What follows is what the company hopes will be a viable commercial fusion plant in the early 2030s. This means that when countries face the challenge of removing 10 percent of carbon emissions from their grids - that may be available - which is a major challenge in renewables intermittent;

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Thus, the roadmap has the ability to create a relevant merger, but this communication depends on the achievement of milestones along the road, where the magnet advertisement is issued. Magnets: working. It feeds and operates at about 20 K. (In superconductivity, 20 K is considered a high temperature, because ordinary superconducting materials should be less than 5 K)

But magnetic materials are only part of the engineering challenge. It must be fixed by a structure that can withstand extreme temperatures and extreme forces. Researcher Brian Labombard, a researcher at Commonwealth Fusion Systems, explained the problem at a press conference on Tuesday. "When you push a magnet hard, you have to think of the magnetic field as stored energy," says Labombard. "When you pump this magnetic field, because you have a lot of energy inside the container - which is a magnet - it wants to push towards the magnet. It's basically like pushing a balloon, but it's the strength of the magnetic field." Getting the entire structure up to 20 Tesla required a two-week process to cool the entire structure, followed by a gradual increase in the current circulating within the superconductors. This in turn increases the strength of the magnetic field. But since it is a superconductor, almost none of this current is lost. "The function of this magnet is similar to that of the superconductor used in the MIT experiment, which was completed five years ago," White said of MIT. "The difference in power consumption is astounding. This magnet, because it was a conventional copper-conducting magnet, consumed about 200 million watts of power to produce a finite magnetic field. It was about 30 watts, so a power reduction of 10 million. It's required to provide a finite magnetic field."  Superconducting wire pies are used to make modular magnets.Zoom/Pie Superconducting wires are used to make superconducting magnets. Standard magnet. Combined magnetic fusion systems also face challenges that individual research reactors do not. This machine is designed for rapid production expansion, which means a more modular design. This device consists of a set of thin coils, each with its own sensors and controllers. Each of these is called a pie. While there is a total of about 270 km of superconducting material in the magnet, it is distributed among all these separate pancakes.

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then?

Consolidation is obviously very demanding. magnet. But Commonwealth Chief Executive Bob Mummgaard said success with magnets gives another group resilience.

"Because we've been able to get to the magnetic field so high, and so many cases," Momgard said, "the limitations that put all of those other aspects into some really tough technical challenges." “We really pushed the magnets so that we could mitigate other kinds of issues,” said Joy Dunn, the company's chief operating officer. “The experience and processes involved in making this prototype will be used to develop more automated processes to produce magnets that will be fed into future reactors. "They built the first prototypes together, a combined reactor in the next few years. It turns out that's going to be the case. Hardware So, even if these calculations are correct, it may be that Chen will take two years of testing to reach the tipping point, which could push the first A commercial reactor went deeper into the 2030s.

So it may be at a point where integration is still a decade away. But at least we're seeing some progress reports of serious efforts to get there. The whole, "This is a very promising story in a new cycle of great weather."

Fusion startup Fusion has reached a milestone thanks to MIT support: large superconducting magnets
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