Sentences with phrase «fusion plasma experiment»

Not exact matches

And in the U.S., the National Ignition Facility is using lasers to ignite hydrogen plasma as it experiments with inertia confinement, also known as laser fusion.

He spent nearly a decade in the corporate world building high - end printers, not, it should be pointed out, manipulating plasma fuel for fusion experiments.

As an example of the use of the model, the core of the plasma inside the seven - story ITER tokamak, the international fusion experiment under construction in France, will have to be more than 10 times hotter than the core of the sun, whose temperature is 15 million degrees Celsius.

A computer code used by physicists around the world to analyze and predict tokamak experiments can now approximate the behavior of highly energetic atomic nuclei, or ions, in fusion plasmas more accurately than ever.

However, one quickly reaches the bounds of today's available computing power when large - scale experiments need to be modeled numerically while retaining all important physical effects, and exhaustive simulations of fusion reactor plasmas as a whole are still not feasible.

In particular, they would require shuttering a major fusion experiment at the Massachusetts Institute of Technology in Cambridge and would lead to the layoff of 100 of 430 staff members at the Princeton Plasma Physics Laboratory in New Jersey.

Mr Qu developed a simpler theory for plasma behaviour based on fluid flow and was able to explain an unstable wave mode that had been observed in the United States» largest fusion experiment, DIII - D.

Maintaining that exact geometry is crucial to the experiment's success, because leaks would rob the plasma of the pressure and energy needed for fusion.

Known as Magpie (Mega Ampere Generator for Plasma Implosion Experiments) and being built by the plasma physics group at Imperial College, it is a tangible break from the traditional approaches to fusion resPlasma Implosion Experiments) and being built by the plasma physics group at Imperial College, it is a tangible break from the traditional approaches to fusion resplasma physics group at Imperial College, it is a tangible break from the traditional approaches to fusion research.

The Laboratory has a variety of portable and at - home scientific demonstrations, laboratories and experiments that explain the beauty and wonder of science, fusion, and plasmas.

Researchers designed an effective algorithm for the National Spherical Torus Experiment - Upgrade, a magnetic fusion reactor at Princeton Plasma Physics Laboratory.

He initially performed both neutronics — the study of neutrons that emerge from plasmas — and plasma control calculations for the design of the Burning Plasma Experiment (BPX), a fusion facility that was targeted to produce about 100 - 500 megawatts of fusion power, which at a minimum would equal the heating power but was hoped to exceplasma control calculations for the design of the Burning Plasma Experiment (BPX), a fusion facility that was targeted to produce about 100 - 500 megawatts of fusion power, which at a minimum would equal the heating power but was hoped to excePlasma Experiment (BPX), a fusion facility that was targeted to produce about 100 - 500 megawatts of fusion power, which at a minimum would equal the heating power but was hoped to exceed it.

This approach to fusion differs from experiments on the NSTX - U, which confines low - density plasma in magnetic fields to produce fusion reactions.

A combination of PPPL modeling led by physicist Gerrit Kramer and DIII - D experiments has found that broadening the electric current in the center of plasma could reduce the loss of crucial elements called alpha particles that heat the plasma and sustain fusion reactions.

The Laboratory pursues these goals through experiments and computer simulations of the behavior of plasma, the hot electrically charged gas that fuels fusion reactions and has a wide range of practical applications.

Recent fusion experiments on the DIII - D tokamak at General Atomics in San Diego and the Alcator C - Mod tokamak at MIT show that beaming microwaves into the center of the plasma can be used to control the density in the center of the plasma.

Visitors typically view videos about PPPL and fusion energy, take part in hands - on plasma demonstrations, visit the control room of the National Spherical Torus Experiment and tour other sites at the Laboratory.

A system of antennas similar to those that astrophysicists use to study radio emissions from stars and galaxies will help shed light on fusion experiments at the U.S. Department of Energy's Princeton Plasma Physics Laboratory (PPPL).

Schweickhard «Schwick» von Goeler, an award - winning physicist at the U.S. Department of Energy's Princeton Plasma Physics Laboratory (PPPL) for more than 35 years and the inventor of numerous X-ray diagnostics used in fusion experiments worldwide, died of leukemia on Dec. 6 in Springfield, Massachusetts.

This kind of theory - experiment comparison has evolved over the decades, and now theoretical physicists like PPPL's C.S. Chang use complex computer simulations to predict fluctuations in the plasma that can inhibit fusion reactions, Synakowski said.

For example, there was widespread concern based on work by theorists in the early 1970s that certain «drift instabilities» in fusion experiments would cool the plasma and prevent tokamaks from reaching the conditions necessary for fusion to occur.

Physicists have long regarded plasma turbulence as unruly behavior that can limit the performance of fusion experiments.

While he was still in graduate school, Zarnstorff and physicist Stewart Prager, a former PPPL director who was then his thesis advisor, discovered a phenomenon called the «bootstrap current» that helps to control the plasma in fusion experiments.

Experiments show how heating electrons in the center of hot fusion plasma can increase turbulence, reducing the density in the inner core

Prager joined PPPL in 2009 from the University of Wisconsin - Madison, where he had led the Madison Symmetric Torus fusion experiment and a center that studied laboratory and astrophysical plasmas.

The Russians announced they had achieved an electron temperature of up to 20 million degrees Centigrade in the plasmas in their fusion experiments and the results convinced many researchers around the world that the tokamak was a better way to confine the plasma to create fusion energy.

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.

The first contribution to the experiment made by PPPL physicists and engineers was designing and delivering the five massive 2,400 - pound trim coils that fine - tune the shape of the plasma in fusion experiments.

The plasmas in NSTX are, like most fusion experiments, confined using magnetic fields and walls designed to withstand the heat from plasmas with temperatures that exceed 100 million degrees Centigrade.

PPPL scientists will present a host of cutting edge results at the conference from their latest experiments and theoretical advances in fusion and plasma science.

As the Ukrainian experiments have shown, with small amounts of energy, significant fusion (and fission) can occur in 10 - 8 second with a self - focused (Z - pinched) electron beam in a high - density plasma.116

To date, the most successful fusion experiments have succeeded in heating plasma to over 900 million degrees Fahrenheit, and held onto a plasma for three and a half minutes, although not at the same time, and with different reactors.