Sentences with phrase «density of the plasma»

The modeling helps scientists deduce important pieces of information for space weather forecasting — in this case, for the first time, the density of the plasma around the shock, in addition to the speed and strength of the energized particles.

Since the researchers know the energy of the jet when it is produced, and can measure its energy coming out, they can calculate its energy loss, which provides clues to the density of the plasma and the strength of its interaction with the jet.

This is because the extreme density of the plasma gives rise to quantum effects, while the high energy density of the magnetic field gives rise to relativistic effects, says Shi.

These include increasing the density of the plasma so the fusion reaction will be more intense.

The relatively high density of plasma in the cloud prevents the formation of electromagnetic waves that would otherwise accelerate electrons to high speeds, turning them into a form of radiation.

But that wasn't enough to prove that Voyager 1 had sailed through the heliosphere; knowing for sure required determining the density of plasma bathing the spacecraft.

The question is, what will this heating mix do to the temperature and density of the plasma that are crucial to fusion production?

But when scientists create what's known as a «high density gradient,» by making the density of the plasma change rapidly from high at the center to low at the edges, the plasma can get hotter before that heat starts to leak.

Not exact matches

It's true that space is a vacuum, but it's an imperfect vacuum because it contains a low density of particles like clouds of interstellar dust, space plasma, and cosmic rays.

Direct asymmetry measurement of temperature and density spatial distributions in inertial confinement fusion plasmas from pinhole space - resolved spectra

Plasma dynamics near critical density inferred from direct measurements of laser hole boring

Generation of Superponderomotive Electrons in Multipicosecond Interactions of Kilojoule Laser Beams with Solid - Density Plasmas

Observation of a Kelvin - Helmholtz Instability in a High - Energy - Density Plasma on the Omega Laser

Measurements of turbulent mixing due to Kelvin - Helmholtz instability in high - energy - density plasmas

The Cassini team will use data collected by one of the spacecraft's science instruments (the Radio and Plasma Wave Subsystem, or RPWS) to ascertain the size and density of ring particles in the gap in advance of future dives.

The motions of objects beyond the heliosphere showed that the charged gas, or plasma, that fills the space between stars should be much denser outside the border than within, and the Voyager team was at last convinced of an exit from the heliosphere thanks to a sudden increase in plasma density.

«The high electron density within this plasma makes it an excellent conductor of electricity, just like metal,» Anderson says.

The key lies not in individual reactions between neutrinos and electrons, but in the way the vast numbers of neutrinos affect wave - like fluctuations in the density of electrons in the plasma, known as «plasma waves».

Based upon this, we look forward to great acceleration of both the fundaments and the application of atmospheric pressure low - density plasma research.

«Shedding (high - power laser) light on the plasma density limit: Japanese researchers show plasma density limit for the interaction of high - power lasers with matter.»

We know approximately how much of certain atoms must be made in a given type of star, says Mac Low, but lab - based experiments could help nail down exact numbers under various conditions, such as changing temperatures or plasma density.

But in the case of atmospheric pressure low - density plasma, due to the influences of changes in the atmospheric pressure in a plasma as well as around the plasma, it was difficult to accurately measure electron density.

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.

Now, using the Doppler effect to add a third dimension to their data, the scientists have been able to measure the speed of the moving plasma, as well as its direction, temperature and density.

When magnetic reconnection occurs between two clouds of plasma that have the same density, the exhaust flow is wildly unstable — flapping about like a garden hose with too much water pressure.

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.

It will also focus separately on «targets» — ways of getting the plasma into a stable, contained state — and «drivers» — the systems for delivering energy into the plasma to raise its temperature and density.

Researchers want to know the precise density, temperature and field strength of the plasma that this process creates.

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.

As a result, we clarified that the influence of the ion mass appeared remarkably in a high - density plasma and that the detailed physical mechanism in which turbulence is suppressed through an effect caused by electron - ion collisions.

If two colliding regions of plasma have the same density, temperature and strength (but different orientation) of their magnetic fields, symmetrical reconnection begins.

We don't know for sure, but of the, what I call, baryonic matter, which is 5 percent of the total mass energy density of the universe, one would guess about 90 or 95 percent of it, is in the form of ionized gas called plasma.

These promising new directions include higher fusion power densities, and hence smaller reactors; development of «transport barriers» in the plasma, leading to improved energy confinement and smaller sizes; self - driven plasma currents that permit steady - state operation and low recirculating power; and the development of advanced divertor concepts to provide particle control and heat removal over long reactor lifetimes.

An important overall measure of physics performance is the «triple product» of the peak ion density, the plasma energy confinement time and the peak ion temperature.

The code gathers information that includes the plasma's density, temperature, and the shape of the plasma's rotation.

These tiny droplets «flow» in a manner similar to the behavior of the quark - gluon plasma, a state of matter that is a mixture of the sub-atomic particles that makes up protons and neutrons and only exists at extreme temperatures and densities.

Fortunately, it still has a working plasma wave instrument, which measures the frequency of plasma vibrations (as opposed to the density).

The idea that plasma high - density lipoprotein cholesterol (HDL - C) is protective against coronary heart disease has been part of medical conventional wisdom for five decades.

When the plasma is off, the density of carbon nanotubes is small.

The combined electron and ion heating altered the gradient, or spatial rate of change in the plasma density.

In the core of the Sun, gravity compresses plasmas to densities ten times higher than that of lead.

He was cited «for many outstanding contributions to the theoretical plasma physics of low and high energy density plasmas, open and closed magnetic configurations, and laboratory and astrophysical systems.»

Inhibition of Lectin - Like Oxidized Low - Density Lipoprotein - 1 Receptor Protects Against Plasma - Mediated Vascular Dysfunction Associated With Pre-Eclampsia.

At Sandia National Laboratory, Myers works on the Z machine, the world's most powerful pulsed - power facility and x-ray generator, which produces high energy density plasmas that are used to study fusion and the physics of nuclear weapons.

The Department of Energy's (DOE) National Nuclear Security Administration (NNSA) and Office of Science (SC) have awarded more than $ 14 million in research awards as part of the Joint Program in High Energy Density Laboratory Plasmas (HEDLP).

To analyze how the density gradient affected the strength of the electron turbulence, the team fed information about the plasma's temperature and density into a program run on computers at the National Energy Research Scientific Computing Center, a DOE Office of Science User Facility at Lawrence Berkeley National Laboratory in Berkeley, California.

Scattering is dominated by a region of high plasma density surrounding the GC.

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.

The planet's mass and diameter are consistent with the hypothesis that it has a low average density due to an inferred composition of three - fourths water (possibly 47 percent) and other ices (that have subliminated into a «supercritical fluid» above an «electronically conductive,» dense fluid plasma below a steamy atmosphere) and one - fourth rock and iron in the core.

The laser technique the scientists are using is new in the area of high energy density plasma and allows scientists to control the magnetic field to manipulate it in various ways.