Sentences with phrase «fusion fuel»

Put another way, it would take 10 million pounds of coal to yield as much energy as one pound of fusion fuel.

The payoff, however, would be huge because fusion fuel is abundant in seawater and the reactor would produce minimal radioactive waste.

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.

He also became a rocket scientist, and his research in fusion fuel physics may well help get us to Mars one day.

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.

There is no longer any question of its scientific feasibility: near breakeven (the state at which the fusion power produced equals the power consumed to sustain the plasma) has been demonstrated with actual fusion fuels in Princeton's nearly 20 - year - old Tokamak Fusion Test Reactor (TFTR).

«Given that controlled fusion is such an attraction because of our nearly inexhaustible source of hydrogen as fusion fuel and that existing devices designed to harness this energy are of enormous dimensions and costs, it would seem desirable to see if there is some mechanism to boost the energy density by another six orders of magnitude.

A 10-fold increase in temperature would bring them into the realm of sparking reactions in conventional fusion fuel, a mixture of the hydrogen isotopes deuterium and tritium, known as D - T.

They are solar energy (current and stored), the tides, the earth's heat, fission fuels and possibly fusion fuels.

For deep future survival, brown dwarfs represent a large resource of unburnt fusion fuel, either for harvesting slow use, or to light up a new star.

His design calls for loops of liquid lithium to clean and recycle tritium, a key fusion fuel ingredient, while protecting tokamak components that exhaust waste heat, and cleaning dust and other impurities from the tokamak — all at the same time.

In addition, integrated experiments where some of OMEGA's lasers are used to actually compress the liner itself, as well as the heated and magnetized fusion fuel it contains, are also part of the ARPA - E program.

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The magnificent lasers at the Lawrence Livermore National Laboratory's National Ignition Facility are aimed to compress a pellet of fusion fuel such that it «ignites» — converts the energy of the lasers that bombard the pellet into fusion energy.

Researchers at the MIT Plasma Science and Fusion Center (PSFC) partnered with scientists from the Culham Centre for Fusion Energy in Oxfordshire, U.K. to develop «a new type of nuclear fusion fuel that produces ten times as much energy from energized ions as previously achieved.»

Experiments with actual fusion fuel — a mix of the hydrogen isotopes deuterium and tritium — began in the early 1990s in the Tokamak Fusion Test Reactor (TFTR) in Princeton, US, and the Joint European Torus (JET) in Culham, UK.

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.

Fusion is the process of generating energy by melding together light atoms; it requires heating the fusion fuel (hydrogen isotopes) to tens or hundreds of millions of degrees.

Back in 2009 when the National Ignition Facility was completed, it was predicted that ignition, the moment when a pulse of light from NIF's 192 laser beams heats a target containing a tiny capsule of fusion fuel and causes it to implode, heating the fuel enough for a large fraction of its nuclei to fuse and release a burst of energy larger than the energy of the light pulse that created it, would be achieved in 2010.

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.

Researchers have known about this technique of crushing a liner to heat the fusion fuel for some time.

NIF uses the world's highest energy laser to crush peppercorn - sized targets filled with fusion fuel (a combination of hydrogen isotopes) to a temperature and pressure greater than in the core of the sun.

When the lasers strike the hohlraum, their energy is converted to X-rays that burn away the beryllium, compressing the fusion fuel.

Laser fusion is an alternative to magnetically confined fusion, in which a superheated plasma of fusion fuel is suspended in a reactor called a tokamak.

The WHeSCI project seeks to describe the interactions of the fusion fuel (deuterium (D) and tritium (T)-RRB- and ashes (helium (He) and neutron) with the walls of the exhaust of the reactor (the divertor made of Tungsten, W).

As it happens, scientists at the LLE over many years have developed techniques to «smooth» laser beams, a prerequisite for delivering more energy to fusion fuel.

The process when optimized should allow fusion reactions to occur at 1 to 2 percent of the density and pressure required in traditional inertial confinement fusion, which has used either laser - created X-ray pulses or direct laser illumination to spherically compress a pea - sized capsule containing fusion fuel.

«The ARPA - E project will bring together the resources of Sandia and LLE to work on the same project — the coupling of laser energy and fusion fuel — with completely different techniques.»

For example, the model doesn't consider any possible interaction between the plasma and the containing capsule, and highly energetic turbulence might mix parts of the capsule into the plasma and contaminate the fusion fuel.

ARPA's bet, and Sandia's and Rochester's with it, is that a more efficient coupling of the laser energy to the fusion fuel would increase the number of neutrons produced, and that number is the gold standard in judging the efficiency of the fusion reaction.

Before achieving ignition, a key step along the path is to have «fuel gains» greater than unity, where the energy generated through fusion reactions exceeds the amount of energy deposited into the fusion fuel and alpha - particle self - heating of the fusing region.