All Articles Tagged As: fusion
Spinning plasma creates "wind shear" between magnetic field .
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After an 18-month shutdown to upgrade the machine and four months of commissioning, the Joint European Torus (JET), the world's largest magnetic fusion device, is ready to start new experiments. The inside of the vessel now has a completely new wall. JET is the first fusion machine to test the materials that will be used inside the next-generation international experiment, ITER.
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 | The USA is investing over 7.5 million dollars in the construction of the Wendelstein 7-X fusion device at Max Planck Institute for Plasma Physics in Greifswald. Scientists from the fusion institutes at Princeton, Oak Ridge and Los Alamos are contributing components for the German fusion device -- a project in the Innovative Approaches to Fusion program of the USA Department of Energy who will accordingly become a partner in the Wendelstein 7-X research program. ...> Full Article |
The fast ignition concept has been conceived as an alternative to other approaches for nuclear fusion energy. For ions of the appropriate range, the beam energy can be deposited directly in the fuel, with high efficiency.
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Researchers at the University of Warwick's Centre for Fusion Space and Astrophysics and the UK Atomic Energy Authority's Culham Centre for Fusion Energy, may have found a way to channel the flux and fury of a nuclear fusion plasma into a means to help sustain the electric current needed to contain that very same fusion plasma.
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A new X-ray imaging capability has taken pictures of a critical instability at the heart of Sandia's huge Z accelerator. The effort may help remove a major impediment in the worldwide, multi-decade, multi-billion dollar effort to harness nuclear fusion to generate electrical power from sea water.
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 | "Cold fusion," a controversial energy source once relegated to the scientific equivalent of banishment to Siberia, is now moving closer toward acceptance by the mainstream scientific community. A special two-day symposium entitled "New Energy Technology" will include 46 oral presentations on this topic and more than a dozen posters -- among the largest presentations of their kind to date -- March 22-23 at the American Chemical Society's 239th National Meeting. ...> Full Article |
Los Alamos scientists are using an adapted version of VPIC, a particle-in-cell plasma physics code, to model the nonlinear physics of laser backscatter energy transfer and plasma instabilities to assist colleagues at Lawrence Livermore National Laboratory as they attempt to reach fusion ignition at the National Ignition Facility next year.
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 | Warm dense matter exists in the cores of gas giant planets and the preliminary stages of nuclear fusion, among other inaccessible places. With an accelerator being built at Lawrence Berkeley National Laboratory as part of the Heavy Ion Fusion Science Virtual National Laboratory, a collaboration among Berkeley Lab, Lawrence Livermore National Laboratory, and the Princeton Plasma Physics Laboratory, scientists will soon be able to study warm dense matter in the laboratory. ...> Full Article |
 | UC San Diego researchers are using "star" power to help ignite the field of fusion, which is being looked at as a future reliable green energy source. ...> Full Article |
 | Physicists at NIST are studying their own version of a sodium substitute -- sodium-like tungsten ions that could be useful in monitoring the ultra-hot plasma inside fusion energy devices. ...> Full Article |
 | Researchers are adapting the same methods used in fusion-energy research to create extremely thin plasma beams for a new class of "nanolithography" required to make future computer chips. ...> Full Article |
 | Researchers are reporting compelling new scientific evidence for the existence of low-energy nuclear reactions, the process once called "cold fusion" that may promise a new source of energy. Scientists describe what they term the first clear visual evidence that LENR devices can produce neutrons, which scientists view as tell-tale signs of nuclear fusion reactions. Their study is scheduled for presentation in March at the 237th National Meeting of the American Chemical Society. ...> Full Article |
The global ITER-test power plant project can be seen as one of the most challenging energy projects of mankind. VTT Technical Research Centre of Finland and Tampere University of Technology are responsible for developing the maintenance of the critical parts of the fusion plant that is been built in Europe. A full-scale research platform to develop and test the maintenance robot and remote handling operations for ITER has been taken into use on Jan. 29 in Finland.
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 | Physicists at the University of Texas at Austin have designed a new system that, when fully developed, would use fusion to eliminate most of the transuranic waste produced by nuclear power plants, making nuclear power a more viable alternative to carbon-based energy sources. ...> Full Article |
Research carried out at MIT's Alcator C-Mod fusion reactor may have brought the promise of fusion as a future power source a bit closer to reality, though scientists caution that a practical fusion powerplant is still decades away.
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Researchers at Oak Ridge National Laboratory and the U.S. ITER Project Office, which is housed at ORNL, have developed a new cast stainless steel that is 70 percent stronger than comparable steels and is being evaluated for use in the huge shield modules required by the ITER fusion device.
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For fusion energy to be commercially viable, better methods are needed for metering the temperature and output in a fusion reactor. In his doctoral dissertation, Henrik Sjöstrand demostrates a new method for this.
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Research that has provided a deeper understanding into the centre of planets could also provide the way forward in the world's quest for cleaner energy.
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 | The world's largest fusion experiment of the stellarator type taking shape at IPP's Greifswald branch institute ...> Full Article |
 | Physicists at MIT and the University of Rochester have devised a new way to take "snapshots" of the high-energy, high-temperature reactions seen as key to achieving the long-held dream of controlled nuclear fusion. ...> Full Article |
 | If you could hold a giant magnifying glass in space and focus all the sunlight shining toward Earth onto one grain of sand, that concentrated ray would approach the intensity of a new laser beam made in a University of Michigan laboratory. ...> Full Article |
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