Princeton Researchers Find a Lower-Energy Route to Fusion Ignition
Argentina Takes Falklands Oil Fight to International Tribunal Davenport said Constellation Energy's 20-year deal… Haley Zaremba is an energy journalist and researcher with more than a decade of professional experience covering global energy systems, land and natural resources, and… A new model for nuclear fusion has potentially discovered a significantly more energy-efficient way to achieve nuclear fusion, and flipped everything we thought we knew about the fusion process.
The scientists’ modelling also flips the traditional order of operations for managing and sustaining plasma in a controlled fusion experiment.
Traditionally, fusion processes start by compressing plasma for higher density, and then heating it to superhot temperatures.
However,new modellingfrom the United States Department of Energy’s Princeton Plasma Physics Laboratory (PPPL) shows that reversing this order of operations could drastically reduce the energy inputs necessary to achieve ignition.
Ignition refers to when a fusion experiment creates more energy than it consumes.
To date, this has been the biggest and most elusive challenge of achieving fusion – the process which powers our own sun – here on Earth.
Thefirst ever successful ignitionwas achieved in 2022 at California’s Lawrence Livermore National Laboratory.
And while this achievement has been repeated and other instances of ignition have occurred, the sector is still a far cry from creating enough net energy to be anywhere close to practical and commercial application.
Unlocking the secret to commercially scalable nuclear fusion would solve much of the world’s energy problems essentially overnight.
Fusion provides a near-limitless source of clean energy and yields none of the hazardous and radioactive spent nuclear fuel associated with nuclear fission.
It’s therefore viewed as a‘holy grail’ of clean energy.
This is why finding more energy-efficient pathways toward ignition is such a big deal, even if they are – at this point – purely theoretical.
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