Using a different reactor shape than ITER and, eventually, superconducting magnets, the company says it has a cheaper and faster path to an energy -
producing fusion reaction.
This approach to fusion differs from experiments on the NSTX - U, which confines low - density plasma in magnetic fields to
produce fusion reactions.
But while that motion helps
produce the fusion reactions that could power a new class of electricity generator, the turbulence it generates can also limit those reactions.
Not exact matches
That is the fuel that will
produce huge multiples of energy from a
fusion reaction.
That brings the Burnaby, B.C. company's total money raised to more than $ 54 million, enough to complete its four - year project to demonstrate «net gain» from
fusion — a
reaction that
produces more energy than it consumes.
RADIATION DETECTION EQUIPMENT Prove that you really achieved
fusion by using a bubble dosimeter, which provides instant visual verification and measurement of neutrons
produced by
fusion reactions.
The findings provide the physics - basis for the successful operation of current and future tokamaks that will
produce powerful and economical
fusion reactions.
Nuclear
fusion, the process that powers our sun, happens when nuclear
reactions between light elements
produce heavier ones.
Fusion energy requires confining high energy particles, both those
produced from
fusion reactions and others injected by megawatt beams used to heat the plasma to
fusion temperatures.
However, the
reaction also
produces high - energy neutrons, which would damage whatever vessel the
fusion reactor is in and render anything around them radioactive.
It now eats up a million times more energy than it makes, but Bailey is optimistic — as
fusion researchers always are — that an upgraded reactor, scheduled for completion in 2006, might within a decade permit
reactions that
produce more energy than they absorb.
Achieving
fusion — nuclear
reactions that have the potential to
produce copious, clean energy — requires heating hydrogen fuel to more than 100 million degrees Celsius, causing it to become an ionized gas or plasma.
«What was significant is that we demonstrated we could
produce implosions hot enough and dense enough for a
fusion reaction.»
But other, cheaper approaches exist — and one of them may have a chance to be the first to reach «break - even,» a key milestone in which a process
produces more energy than needed to trigger the
fusion reaction.
CHICAGO, ILLINOIS — This week, the National Ignition Facility (NIF) at Lawrence Livermore National Laboratory in California announced an important milestone on the road to achieving ignition, which could lead to
producing controlled
fusion reactions here on Earth.
In a first for laser - driven
fusion, scientists at a US lab say they have reached a key milestone called fuel gain: they are
producing more energy than the fuel absorbed to start the
reaction.
Russia — The country plans to develop a
fusion neutron source (FNS), a facility that would
produce neutrons, the chief form of energy created by
fusion reactions, in preparation for a DEMO.
Nuclear
reactions (fission and
fusion)
produce fast neutrons.
In Adams and Grohs» simulations, stars with enough carbon could sustain a cycle of
fusion reactions that
produce energy without deuterium.
And compared to the byproducts of nuclear plants, which remain radioactive for thousands of years, the small amount of radioactive material
produced in
fusion reactions would remain radioactive for tens of years, Synakowski said.
The Department of Energy's Advanced Research Projects Agency - Energy (ARPA - E) has announced a two - year, $ 3.8 million award for Sandia National Laboratories and the University of Rochester's Laboratory for Laser Energetics (LLE) to study the potential of combining two different technologies to further advance their research efforts to
produce controlled
fusion reactions.
In a
fusion reaction, two atomic nuclei fuse and
produce very fast - moving particles.
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.
The nuclei were
produced via
fusion - evaporation
reactions and separated from projectile - like and target - like particles using GARIS - II before being stopped in a helium - filled gas cell.
The goal is to
produce a «burning plasma» where the required heat is supplied by the
fusion reaction itself.
Experiments like the Alcator C - Mod and JET help scientists and engineers move closer to determining the right conditions and design elements to create a functional, energy - positive
fusion reaction that can reliably
produce more power than it consumes.