Sentences with phrase «fusion plasmas»

Such non-uniform plasma flows have been known to play favorable roles in fusion plasmas in conventional and spherical tokamaks.

«Scientists perform first basic physics simulation of spontaneous transition of the edge of fusion plasma to crucial high - confinement mode.»

Researchers at Tohoku University have discovered a new plasma wave phenomenon, leading to the development of a negative ion source for fusion plasma heating.

Papers, posters and presentations ranged from fusion plasma discoveries applicable to ITER, to research on 3D magnetic fields and antimatter.

The Neutral Beam Injection (NBI) is a method for increasing the plasma temperature and driving currents in magnetically - confined fusion plasmas by injecting neutral hydrogen / deuterium beams.

The findings range from a breakthrough for stabilizing fusion plasmas to good news for the international ITER project going up in France to new thoughts about the chances of life on planets circling nearby stars.

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

Scientists at PPPL have produced self - consistent computer simulations that capture the evolution of an electric current inside fusion plasma without using a central electromagnet, or solenoid.

Scientists at the U.S. Department of Energy's Princeton Plasma Physics Laboratory (PPPL) have produced self - consistent computer simulations that capture the evolution of an electric current inside fusion plasma without using a central electromagnet, or solenoid.

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.

«How donut - shaped fusion plasmas managed to decrease adverse turbulence: Achieving fusion has become more realistic since plasma flow was identified as regulating turbulence in the 1980s.»

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.

By arranging their detectors at the edge of a fusion device, researchers have found that they are able to measure high energy particles kicked out of the plasma by a type of wave that exists in fusion plasmas called an Alfvén wave (named after their discoverer, the Nobel Prize winner Hannes Alfvén).

Consequently, fusion plasmas possess large differences in temperature and density between the hot, dense center (where heating and refueling is applied) and the cooler wall area (where plasma may leak out).

Diagnostics techniques for fusion plasma research are applied to this achievement and make it possible to diagnose electron density using an interferometer, which in the past had been difficult due to influences from the atmosphere.

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.

«It will open the door to understanding a whole lot more about fusion plasmas, and contribute to the development of a long term energy solution for the planet.»

Also, it is expected that the technique will be applied not only to astronomy, but also to wide - ranging fields such as spectroscopy, information network systems, atmospheric environment measurement, medical diagnostic technology, and fusion plasma diagnostics.

Scientists in the Department of Physics» York Plasma Institute (YPI) have received a # 1M grant from EPSRC to study power exhaust in hot magnetic fusion plasmas (10s of millions C).

Understanding how fusion plasmas lose heat is crucial because the more a plasma is able to retain its heat the more efficient a fusion reactor can be.

Bhattacharjee heads a PPPL - led Exascale Computing Project that will integrate the XGC code with GENE, a code developed at the University of California, Los Angeles, to create the first simulation of a complete fusion plasma.

Stabilizing next - generation fusion plasmas.

Instead, the world's scientists ran into an unexpected barrier — the immense physics complexity and seeming impossibility of taming fusion plasmas.

«Clarifying the mechanism for suppressing turbulence through ion mass: Theoretical research develops significantly towards improved performance in fusion plasmas.»

«Postcards from the plasma edge: How lithium conditions the volatile edge of fusion plasmas.»

Instabilities called Edge Localized Modes (ELMs) frequently arise in highly confined fusion plasma and could damage tokamak components and halt fusion reactions.

Princeton graduate student Imène Goumiri creates computer program that helps stabilize fusion plasmas.

In a potentially major advance, physicists at PPPL and the DIII - D National Fusion Facility that General Atomics operates for the DOE have discovered a way to reduce the loss of heat and particles from fusion plasmas.

But apart from that, the above is not true: there are two techniques for containing a hot fusion plasma, magnetic containment and inertial containment.

They produced a mathematical model showing that turbulence in fusion plasmas, contrary to prevailing wisdom, bears little resemblance to the snarling rivers of Newman's youth.

Physicists at the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL) have simulated the spontaneous transition of turbulence at the edge of a fusion plasma to the high - confinement mode (H - mode) that sustains fusion reactions.

Because of its high temperature, a fusion plasma can not be directly confined in material vessels.

Scientists and policy - makers still have high hopes that fusion can deliver large amounts of cheap, clean power, but fusion's major technical hurdle — confining fusion plasmas — has proved higher than most predicted.

Armed with these findings, scientists will be better able to determine how to use lithium to enhance the performance of fusion plasmas.

The team has built its first machine and has carried out 200 shots during commissioning and applied up to 1 kilowatt of heating, but McGuire declined to detail any measurements of plasma temperature, density, or confinement time — the key parameters for a fusion plasma — but said the plasma appeared very stable.

Development of neutral beam injection (NBI) heating system utilizing a hydrogen / deuterium (H / D) negative ion source, is significant for a fusion plasma reactor, which is one of the potential solutions to future energy - resource problems.

Physicists led by Gerrit Kramer at the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL) have conducted simulations that suggest that applying magnetic fields to fusion plasmas can control instabilities known as Alfvén waves that can reduce the efficiency of fusion reactions.

DIII - D is a fusion plasma experiment operated by General Atomics for the Department of Energy in San Diego.

about Lithium — it's not just for batteries: The powdered metal can reduce instabilities in fusion plasmas, scientists find

about Lithium — it's not just for batteries: The powdered metal can reduce instabilities in fusion plasmas

They include a scientific code that physicist Seung - Hoe Ku runs on two of the world's most powerful supercomputers to study turbulence at the volatile edge of fusion plasmas.

Self - extinguishing troublesome bursts in fusion plasmas.

Now, physicists at the U.S. Department of Energy's Princeton Plasma Physics Laboratory (PPPL) appear to have gained important new insights into what affects this turbulence, which can impact the leakage of heat from the fusion plasma within tokamaks.