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Katrin Fridriks

sparc fusion reddit

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sparc fusion reddit

Renewables don't scale to humanity's current and future needs. This means you can build smaller. Credits: skeeze / Pixabay. More posts from the explainlikeimfive community. Reddit; Premium Content. Nuclear fusion is going to have a PR cliff that is going to need to scale, and scale while underfire from bad faith trolling and arguments. Bob Mumgaard, who is CEO of the MIT spinoff company CFS, described the next steps the team is taking: to design and make the large superconducting magnet assemblies needed for a working fusion demonstration device. Concerning your point about the TF coil, I thought they only said they tested the cables in a high magnetic field environment but that's in my opinion far from actually building a TF coil - although it is also an important milestone of course. They're also pretty far in with their TF coil work I believe - they're got functional and fully tested HTS cables. I'm not entirely convinced by tokamaks in general. General Fusion’s facility uses a different strategy: Instead of using magnetic fields, it heats the plasma by compressing it mechanically, in brief spurts, until it’s hot enough for fusion to occur. “Our research confirms that our concept has every chance of working”, recently stated in the New-York Times (relayed by Futurism) Martin Greenwald, deputy director of the Center for Nuclear Fusion and Plasma Science at the Massachusetts Institute of Technology (MIT).The concept is that of a so-called “compact” nuclear fusion reactor, called SPARC. “We’re going to have to do whatever works,” he said, and while conventional fission-based nuclear power may be essential in the near term, in the longer term fusion power could be key to weaning the world from fossil fuels. Using massive superconducting magnets, a cocktail of hydrogen isotopes, and various other complex-sounding science things, what they’ll be producing Cookies help us deliver our Services. fusion is practically limitless and could be better-suited for long-term energy usage growth). I honestly didn’t know we could post images here. Discussion of real advancements, concepts and applications in the field of nuclear fusion. Nuclear fusion will fill the exact same niche that traditional nuclear does, just with less public apprehension. We need renewables just as much as - if not more than - fusion. While it is true that in the IPB98(y,2) scaling the direct dependence on the toroidal magnetic field B_t is weak, the "indirect" dependence on it is much stronger, since also the plasma current I_p depends on B_t, thus overall it will be roughly a linear dependence on B_t. SPARC uses a molten salt (very hot liquid mineral) instead of a solid blanket. When fusion finally does come, it's going to take time and resources to build all the reactors and infrastructure needed to power the entire world, it's not going to be instantaneous. Fission whoops its ass. Based on established physics, the device is predicted to produce 50-100 MW of fusion power, achieving fusion gain, Q, greater than 2. There's no downside. At MIT, Whyte and his colleagues are testing their approach at an experimental facility called SPARC, a compact fusion project designed to generate about 100 megawatts (converted to electricity, that would be enough to power 75,000 homes). Concerning the neutron damage: In the beginning of this year I talked to a tokamak energy engineer and he said that neutron damage is actually not much of an issue for their HTS and if I'm not wrong, SPARC uses the same type of superconductor. “It’s absolutely different today than it was 10 years ago,” he says. Just a quick correction that it's fusion power that scales very strongly with toroidal field strength (4th power) rather than plasma energy confinement time (power of 0.15 going by IPB98(y,2) scaling). Such projects require more long-range thinking — up to 18 years, in the case of the SPARC project. As soon as the team’s demonstration device proves that it is possible to produce more power than the device consumes — a milestone never yet achieved by a fusion device — “the narrative changes at that moment. Fusion is really sensitive to the magnetic field strength, so a twice as powerful field (what SPARC offers) gives you about four times as much power in the plasma. Remember for every unit of electrical energy they supply they produce more than 2 units of local heating. On Earth, it’s a bit harder. What's SSUP? Explain Like I'm Five is the best forum and archive on the internet for layperson-friendly explanations. I don’t agree that fusion will fill the exact same niche. Development of fusion power, a carbon-free, combustion-free source of energy, is now on a faster track toward realization, thanks to a collaboration between MIT and a new private company, Commonwealth Fusion Systems. “Our research confirms that our concept has every chance of working”, recently stated in the New-York Times (relayed by Futurism) Martin Greenwald, deputy director of the Center for Nuclear Fusion and Plasma Science at the Massachusetts Institute of Technology (MIT).The concept is that of a so-called “compact” nuclear fusion reactor, called SPARC. Well they use better superconductive coils to generate the magnetic field. Aerial view of the ITER facility near Toulouse, France. I believe they mentioned in the public zoom meeting last Thursday that gas puffing and pellet injection are both on the table as far as inclusion in the design goes. They won't be gas puffing (please correct me if I'm wrong) but will be moving the X point during a pulse to spread the heat flux over the divertor plates. This is called the "blanket" in a fusion reactor and it's a difficult component. To get enough plasma to fuse and be stable, you need a lot. ... help Reddit App Reddit coins Reddit premium Reddit … A big solar farm will seed thermals from a fixed point and permanently change local weather patterns. “It was a bit too expensive and the device was a bit too big” to move forward, until the last few years when advances in superconducting magnet technology made it possible to create more powerful magnets that could enable a smaller fusion power plant to deliver an amount of power that would have required a larger power plant with previous technology. Even something like SPARC, under ideal conditions, wouldn't likely be actually producing power within that timeframe. And HTS is bloody expensive. This is simpler and cheaper, although the magnets themselves are relatively even more expensive. I’ve worked on projects which scoped fusion for interplanetary travel. There is no way around the thermodynamics of that. And the potential energy production from fusion is linked to the strength of the magnetic field to the power of 4. But getting to that point has always been a daunting challenge. You may not alter the images provided, other than to crop them to size. This means they can be dropped in instead of coal plants and be closer to cities and/or industrial installations like factories. There are about 20 companies actively involved in such fusion research. The timeline for negative carbon emissions is like 15 years. When fusion finally does come, it's going to take time and resources to build all the reactors and infrastructure needed to power the entire world, it's not going to be instantaneous. SPARC uses a different magnet technology that is much more powerful. It sucks outside of FRC rockets. We’ll know we are almost there,” she said. Publishing the physics basis is an important step for any big experiment, and gives a lot of credibility to a project like this. The Sample, Simulate, Update cognitive model developed by MIT researchers learns to use tools like humans do. Press question mark to learn the rest of the keyboard shortcuts. “It is so central to why we exist,” she said. The hydrogen fuel needed for fusion can be obtained in essentially limitless quantities from seawater. Press question mark to learn the rest of the keyboard shortcuts. CFS and the MIT effort are far from alone, though, Mumgaard said. By using our Services or clicking I agree, you agree to our use of cookies. I can't wait for them to be operational around the same timeframes and to learn from one another (hopefully). Even if their plasma performance is awful (H_98 = 0.7) they're predicting Q_fus = 2 and if the performance is at H_98 = 1 they're predicting Q_fus = 11 which would be incredible. The second is that there is very little neutron shielding for the magnets. SPARC will likely be the first experimental reactor that actually produces more energy than it consumes. So I don't doubt that they will reach their goals; I am however concerned about the scalability of SPARC to a real-deal power plant. Just as spaceflight companies such as SpaceX and Blue Origin have built upon NASA technology, a handful of fusion startups are building on government-funded fusion research, with the goal of firing up the first commercial fusion power plant as early as the 2020s. At the event, titled “The MIT Fusion Landscape,” speakers explained why fusion power is urgently needed, and described the approach MIT and CFS are taking and how the project is taking shape. The general idea can be summarized as follows: Using novel high-temperature superconductors (HTS)

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