Sentences with phrase «of magnetic fusion»

Preventing such contamination will be crucial to the development of magnetic fusion energy.
The Princeton Plasma Physics Laboratory, funded by the U.S. Department of Energy and managed by Princeton University, is located at 100 Stellarator Road off Campus Drive on Princeton University's Forrestal Campus in Plainsboro, N.J. PPPL researchers collaborate with researchers around the globe in the field of plasma science, the study of ultra-hot, charged gases, to develop practical solutions for the creation of magnetic fusion energy as an energy source for the world.

Not exact matches

The International Thermonuclear Experimental Reactor program in the south of France will use magnetic fusion and employ strong magnetic fields to hold and fuse hydrogen plasma.
Also backed by the United States, Russia, China and Japan, ITER is the largest of the various fusion experiments underway and proposes to trigger fusion using a super-conducting magnetic compression process.
The breakthrough, he adds, has been an evolutionary one in the development of the controls needed to manipulate the magnetic fields to the temperatures (millions of degrees) and pressures in which fusion happens.
The Department of Energy offers several research stints, including one at its magnetic fusion facility at Lawrence Livermore National Laboratory in California.
After that I wanted to do something very practical so I switched to work on magnetic confinement fusion, as part of the ongoing effort to develop fusion reactors.
One of the biggest ongoing projects is ITER in France, an international effort to build the first magnetic fusion reactor that pumps out more energy than it consumes.
In a recent paper published in EPJ H, Fritz Wagner from the Max Planck Institute for Plasma Physics in Germany, gives a historical perspective outlining how our gradual understanding of improved confinement regimes for what are referred to as toroidal fusion plasmas — confined in a donut shape using strong magnetic fields — have developed since the 1980s.
After decades of slow progress with doughnut - shaped reactors, magnetic fusion labs are gambling on a redesign.
Inertial confinement fusion (ICF) seeks to create those conditions by taking a tiny capsule of fusion fuel (typically a mixture of the hydrogen isotopes deuterium and tritium) and crushing it at high speed using some form of «driver,» such as lasers, particle beams, or magnetic pulses.
On the other hand, in magnetic field confinement fusion plasma intended for a fusion reactor, which research is being conducted at the National Institute for Fusion Science, development of high precision electron density measurements is becoming an important research topic.
Since the operating temperature for fusion is in the hundreds of millions degrees Celsius, hotter than any known material can withstand, engineers found they could contain a plasma — a neutral electrically conductive, high - energy state of matter — at these temperatures using magnetic fields.
Inertial confinement fusion achieves this by crushing tiny capsules of fuel with intense laser or magnetic field pulses to achieve the required conditions.
That much current passing down the walls of the cylinder creates a magnetic field that exerts an inward force on the liner's walls, instantly crushing it — and compressing and heating the fusion fuel.
Most fusion research focuses on magnetic confinement, using powerful electromagnets to contain a thin plasma of hydrogen isotopes and heat it until the nuclei fuse.
For magnetic fusion energy to fuel future power plants, scientists must find ways to control the interactions that take place between the volatile edge of the plasma and the walls that surround it in fusion facilities.
The breakthrough is in magnetic confinement fusion, in which hydrogen is heated until it is a plasma 10 times hotter than the centre of the sun, and held in place by strong magnetic fields until fusion reactions occur.
In fact, some of the more promising technologies involved with nuclear fusion research use magnetic fields to contain plasmas.
Aiming for the achievement of fusion energy, research on confining a high temperature, high density plasma in a magnetic field is being conducted around the world.
This model describes three types of forces: electromagnetic interactions, which cause all phenomena associated with electric and magnetic fields and the spectrum of electromagnetic radiation; strong interactions, which bind atomic nuclei; and the weak nuclear force, which governs beta decay — a form of natural radioactivity — and hydrogen fusion, the source of the sun's energy.
«The Department of Energy sponsors all the magnetic fusion research in the country.
(A tokamak is a kind of magnetic donut that has proven to be a particularly stable way to confine the extremely hot plasma needed to achieve fusion.)
Each of these spinning magnetic storms is the size of Europe, and together they may be pumping enough energy into the solar atmosphere to heat it to millions of degrees — a power that leads one scientist to suggest we could mimic these solar tornadoes on Earth in the quest for nuclear fusion power.
American researchers have shown that prospective magnetic fusion power systems would pose a much lower risk of being used for the production of weapon — usable materials than nuclear fission reactors and their associated fuel cycle.
He was elected a fellow of the American Physical Society in 2013, with the APS citing his «innovations in magnetic fusion issues» and «seminal contributions» to fields ranging from x-ray lasers to plasma - lithium interactions.
Through its efforts to build and operate magnetic fusion devices, PPPL has gained extensive capabilities in a host of disciplines including advanced computational simulations, vacuum technology, mechanics, materials science, electronics, computer technology, and high - voltage power systems.
Magnetic fusion energy and the plasma physics that underlies it are the topics of ambitious new books by Hutch Neilson, head of the Advanced Projects Department at PPPL, and Amitava Bhattacharjee, head of the Theory Department at the Laboratory.
The books describe where research on magnetic fusion energy comes from and where it is going, and provide a basic understanding of the physics of plasma, the fourth state of matter that makes up 99 percent of the visible universe.
Heliophysics plays out on scales ranging from the fusion of subatomic particles taking place in the heart of the sun to the grand sweep of magnetic storms that can engulf entire planets.
There will also be lectures by top physicists and engineers that will offer a more in - depth look at the magnetic fusion research taking place at PPPL and some of the related projects.
Physicist Sam Lazerson of the US Department of Energy's Princeton Plasma Physics Laboratory has teamed with German scientists to confirm that the Wendelstein 7 - X fusion energy device called a stellarator in Greifswald, Germany, produces high - quality magnetic fields that are consistent with their complex design.
The concept uses a laser to heat fusion fuel contained in a small cylinder as it is compressed by the huge magnetic field of Sandia's massive Z accelerator.
Dozens of PPPL scientists presented the results of their cutting - edge research into magnetic fusion and plasma science.
A main goal of tokamak research is to use magnetic plasma confinement to develop the means of operating high - pressure fusion plasmas near stability and controllability boundaries while avoiding the occurrence of transient events that can degrade performance or terminate the plasma discharge.
The cause, according to a theory advanced by PPPL physicist David Gates and colleagues at the Laboratory, lies in the tendency of bubble - like islands that form in the plasma that fuels fusion reactions to shed heat and grow exponentially — a runaway growth that disrupts the crucial current that completes the magnetic field that holds the plasma together.
PPPL physicists contributed to papers, talks and presentations ranging from astrophysical plasmas to magnetic fusion energy during the 58th annual meeting of the American Physical Society (APS) Division of Plasma Physics.
PPPL is the nation's leading center for the exploration of plasma science and magnetic fusion energy.
Originally proposed in a 2010 Sandia theoretical paper, the concept uses a laser to heat fusion fuel contained in a small cylinder (called a liner) as it is compressed by the huge magnetic field of Sandia's massive Z accelerator.
The collaboration will study fusion in a relatively unexplored intermediate density regime between the lower - than - air density of magnetic confinement fusion (MCF) that is studied at the ITER project in southern France, and the greater - than - solid density of laser - driven inertial confinement fusion (ICF) at the National Ignition Facility at Lawrence Livermore National Laboratory.
Heitzenroeder has contributed to the design and construction of many of the world's major magnetic fusion facilities during a storied 40 - year career at PPPL that includes more than 20 years as head of the Mechanical Engineering Division.
Researchers at the five - day conference, which ends Nov. 20, will attend nine half - day sessions featuring nearly 1,000 talks on subjects ranging from space and astrophysical plasmas to the challenges of producing magnetic fusion energy.
State - of - the - art dynamic magnetic resonance venography (MRV) and image fusion to develop a specific picture of the AVM, including its size and structure
Many of the frontiers of fusion science exist at the extremes of the plasma state, a state of matter where gases are hot enough that electrons disassociate from atomic nuclei (ions), forming an ensemble of ions and electrons that can conduct electrical currents and be confined by electric and magnetic fields.
The upgraded machine doubles the heating power, magnetic field strength and plasma current relative to its predecessor, and increases the duration of fusion experiments — or «shots» — to up to five seconds.
A secondary magnetic field impedes energy from escaping from the ends of the cylinder, which would lower the temperature of the fuel and reduce the fusion output.
Possible applications range from the dissipation of magnetic energy in fusion devices on Earth to the acceleration of high energy particles in solar explosions called solar flares (Animation 1 and Image 2).
To Prof. John Holdren: I am a graduate student of U.C. Berkeley doing thesis research on magnetic fusion energy (MFE) at the DIII D tokamak in San Diego, CA.
While most characteristics of a system tend to vary in proportion to changes in dimensions, the effect of changes in the magnetic field on fusion reactions is much more extreme: The achievable fusion power increases according to the fourth power of the increase in the magnetic field.
Importantly, this non-event should not bear any relation to the fate of other vital work centering on an entirely different approach known as magnetic fusion.
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