Thermonuclear fusion

Thermonuclear fusion is a way to achieve nuclear fusion by using extremely high temperatures. There are two forms of thermonuclear fusion: uncontrolled, in which the resulting energy is released in an uncontrolled manner, as it is in thermonuclear weapons such as the "hydrogen bomb", and controlled, where the fusion reactions take place in an environment allowing some of the resulting energy to be harnessed for constructive purposes. This article focuses on the latter.

Temperature requirements

Temperature is a measure of the average kinetic energy of particles, so by heating the material it will gain energy. After reaching sufficient temperature, given by the Lawson criterion, the energy of accidental collisions within the plasma is high enough to overcome the Coulomb barrier and the particles may fuse together.

In a deuterium–tritium fusion reaction, for example, the energy necessary to overcome the Coulomb barrier is 0.1 MeV. Converting between energy and temperature shows that the 0.1 MeV barrier would be overcome at a temperature in excess of 1.2 billion Kelvin.

Latest News for: Thermonuclear fusion

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Rocket engine powered by PLASTIC WASTE and developed by Made in Chelsea star completes a ...

The Daily Mail 26 Nov 2021
Pulsar Fusion, a nuclear fusion firm based in Bletchley, conducted successful tests at COTEC, a Ministry of Defence military base in Salisbury, on November 17 to 18 ... Plastic-powered rocket engines could be used for a variety of applications, including launching people and satellites into space, according to Pulsar Fusion....
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Unveiling the steady progress toward fusion energy gain

Phys Dot Org 08 Nov 2021
The key figures from Wurzel's invited tutorial talk, based on the manuscript by Wurzel and Hsu, provide a comprehensive framework, inclusive of all thermonuclear fusion concepts, for tracking and understanding the physics progress of fusion toward energy breakeven and gain (Figure 1) ... Researchers report argon fluoride laser fusion research findings....
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New Research Has Brought Us to the Brink of Fusion Ignition

Interesting Engineering 08 Nov 2021
And these wildly hot and heavy conditions force hydrogen atoms within the target to undergo fusion, releasing tremendous amounts of energy in a controlled reaction called thermonuclear fusion ... This means we won't really say fusion is operational until it can yield more output energy than is put into a device....
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Integrated edge localized mode suppression and divertor power flux control for ITER

Phys Dot Org 29 Oct 2021
Sun Youwen from the Institute of Plasma Physics of the Chinese Academy of Sciences took the lead in demonstrating the integrated Edge Localized Mode (ELM) and divertor power flux control in target plasmas with parameters close to International Thermonuclear Experimental Reactor (ITER) high fusion gain (Q) operation....
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Researchers report argon fluoride laser fusion research findings

Phys Dot Org 26 Oct 2021
Naval Research Laboratory experts race toward sustainable clean energy with advances in fusion energy ... This potential of the ArF laser for fusion energy has generated support by the DoE Advanced Research Projects Agency-Energy (ARPA-E) Breakthroughs Enabling Thermonuclear-fusion Energy (BETHE) program ... Nuclear scientists hail US fusion breakthrough....
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A Future Europe with Renewable and Nuclear Energy

Greek City Times 20 Oct 2021
Counterintuitively, multiple social movements across the continent propose to shut down the nuclear energy power plants ... When Romania will finally develop new reactors in Transylvania, beyond its four in Cernavoda, it would also extract tritium for use in ELI-NP experiments regarding thermonuclear fusion as energy source ... Opportunities come and go ... ....
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This Week In Science!

IFL Science 15 Oct 2021
FEATURED ... Can we master nuclear fusion and achieve unlimited energy? Join us for the latest episode of our podcast, IFLScience The Big Questions, where we talk to Dr Elise Delchambre of the International Thermonuclear Experimental Reactor – the world's largest fusion experiment – about nuclear fusion and how it might change the world. Listen here. ....
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IFLScience The Big Questions: Can We Achieve Unlimited Energy?

IFL Science 14 Oct 2021
Can we master nuclear fusion and achieve unlimited energy? Our host Dr Alfredo Carpineti talks to Dr Elise Delchambre of the International Thermonuclear ......
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Unexpected results of nuclear reactions found within stars

International Business Times 13 Oct 2021
Another research revealed a key fusion process involving hydrogen and a rare oxygen isotope has been detected within stars using a novel experimental approach. Thermonuclear fusion occurs both quietly in older stars and explosively in novae and supernovae. A key fusion process ......
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Lawrence Livermore researchers focus on fast flows in thermonuclear fusion

Technology Org 25 Sep 2021
The same thing happens when the drive pushing on an inertial confinement fusion (ICF) capsule is imbalanced — if it pushes harder on the top than on the bottom the capsule will move downward. This motion detracts from the energy heating the capsule and generating fusion....
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New Magnet Is Powerful Enough to Lift an Aircraft Carrier

Interesting Engineering 14 Sep 2021
Less than a week after a Bill Gates-backed MIT startup announced it had successfully tested a massive magnet that could allow them to achieve "net energy" with their nuclear fusion reactor, scientists at France's International Thermonuclear Experimental Reactor (ITER) received the first part of another huge magnet, explains....
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China's central region on way to greater devt

The Manila Times 14 Sep 2021
BEIJING ... Building on its current technology edges, Anhui would strive to break new ground in cutting-edge technologies such as quantum information, thermonuclear fusion and advanced light sources while building itself into an influential technological innovation center, said Deng ... Wei Tao ... ....
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China's central region boasts great development potential

Beijing News 14 Sep 2021
BEIJING, Sept ... dollars) ... Building on its current technology edges, Anhui would strive to break new ground in cutting-edge technologies such as quantum information, thermonuclear fusion, and advanced light sources while building itself into an influential technological innovation center, said Deng ... .......
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