{"id":20590,"date":"2025-04-04T12:29:09","date_gmt":"2025-04-04T10:29:09","guid":{"rendered":"https:\/\/stage-genf.fk-agency.net\/nuclear-fusion\/"},"modified":"2025-05-19T12:49:34","modified_gmt":"2025-05-19T10:49:34","slug":"nuclear-fusion","status":"publish","type":"page","link":"https:\/\/stage-genf.fk-agency.net\/fr\/nuclear-fusion\/","title":{"rendered":"Fusion nucl\u00e9aire"},"content":{"rendered":"\n
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Fusion nucl\u00e9aire<\/h1>\n\n\n\n

Often referred to as the energy of the stars, nuclear fusion is a limitless source of energy. The fuel for fusion is abundant on Earth, and its industrialization is within reach.<\/p>\n\n\n\n

<\/p>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n

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Nuclear fusion is the most promising energy producting capacity<\/h2>\n\n\n\n

Nuclear fusion is the reaction in which two light atomic nuclei fuse together to
form a single nucleus, releasing a large amount of energy<\/p>\n\n\n\n

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Fusion technologies benefits<\/h2>\n\n\n\n
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No nuclear accident risk<\/strong><\/p>\n\n\n\n

Fusion reaction stops if not supplied<\/p>\n\n\n\n

<\/div>\n<\/div>\n\n\n\n
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\"\"<\/figure>\n\n\n\n

Little & manageable nuclear waste<\/strong><\/p>\n\n\n\n

Short half-life for limited waste components<\/p>\n\n\n\n

<\/div>\n<\/div>\n\n\n\n
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Strong social acceptance<\/strong><\/p>\n\n\n\n

Society aligns on fusion tech, unlike fission<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n

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Highly dispatchable<\/strong><\/p>\n\n\n\n

Can be turned on in a few minutes<\/p>\n\n\n\n

<\/div>\n<\/div>\n\n\n\n
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Abundant and self-generated fuel<\/strong><\/p>\n\n\n\n

Strong quantity of Deuterium on Earth<\/p>\n\n\n\n

<\/div>\n<\/div>\n\n\n\n
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High energy production<\/strong><\/p>\n\n\n\n

High density energy, 4Mx more than oil or coal<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n

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<\/p>\n<\/div><\/section>\n\n\n\n

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Energy generation by nuclear fusion is already a reality<\/h2>\n\n\n\n

Fusion requires extreme conditions to happen, including temperature up to 100M\u00b0C. It happens everyday in the Sun thanks to its
gravitational confinement force, and it has already been reproduced on Earth using laser inertial confinement<\/p>\n\n\n\n

<\/div>\n\n\n\n
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Gravitational confinement<\/p>\n\n\n\n

Impossible on Earth<\/mark><\/p>\n\n\n\n

Plasma is confined by the force of gravity<\/strong><\/mark>
\u2022 Plasma density (\u0220<\/em>): 10,000 x solid
\u2022 Temperature: 10,000,000 \u00b0C
\u2022 Confinement time (\u03c4): 100,000 years<\/p>\n\n\n\n

It is physically impossible to replicate
the gravitational force and
confinement times of our stars on
planet Earth<\/p>\n\n\n\n

<\/div>\n<\/div>\n\n\n\n
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\"\"<\/figure>\n\n\n\n

Magnetic confinement<\/p>\n\n\n\n

Feasibility yet to be demonstrated<\/mark><\/p>\n\n\n\n

Plasma is confined by powerful magnetic fields<\/strong>
\u2022 Plasma density (\u0220<\/em>): solid \/ 100.000.000
\u2022 Temperature: 100,000,000 \u00b0C
\u2022 Confinement time (\u03c4): Few seconds<\/p>\n\n\n\n

Launched in 2007 with an initial budget of \u20ac6.3Bn, the ITER project has yet to demonstrate its viability, despite spending \u20ac22 billion<\/p>\n\n\n\n

(Source ITER ORGANIZATION)<\/em><\/p>\n\n\n\n

<\/div>\n<\/div>\n\n\n\n
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Laser inertial confinement<\/p>\n\n\n\n

Proven net energy generation<\/mark><\/p>\n\n\n\n

Plasma is confined by the force of gravity<\/strong>
\u2022 Plasma density (\u0220<\/em>): 1,000 x solid
\u2022 Temperature: 100,000,000 \u00b0C
\u2022 Confinement time (\u03c4): 10 picoseconds<\/p>\n\n\n\n

Dec.22, the NIF achieved fusion \u00ab\u00a0ignition\u00a0\u00bb by hitting a Deuterium-Tritium target with high energy lasers, generating a net energy gain<\/p>\n\n\n\n

(Source NIF\/LLNL)<\/em><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n

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\n \"Slide1\"\n <\/figure>\n <\/div>\n
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Initial irradiation<\/h4>\n

Target (made of Deuterium-Tritium, DT here) is irradiated by high-energy lasers<\/p>\n <\/div>\n <\/div>\n

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\n \"Slide2\"\n <\/figure>\n <\/div>\n
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Compression<\/h4>\n

Target is compressed thanks \u2028to plasma expansion<\/p>\n <\/div>\n <\/div>\n

\n
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\n \"Slide3\"\n <\/figure>\n <\/div>\n
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Ignition<\/h4>\n

Target collapses on itself, density in the center skyrockets and temperature reaches 100M\u00b0C<\/p>\n <\/div>\n <\/div>\n

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\n \"Slide4\"\n <\/figure>\n <\/div>\n
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Combustion<\/h4>\n

The thermonuclear combustion spreads rapidly, producing large amounts of energy<\/p>\n <\/div>\n <\/div>\n <\/div>\n

<\/div>\n <\/div>\n<\/section>\n<\/div>\n\n\n\n
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NIF experiment<\/h2>\n\n\n\n

In 2022, NIF achieved generating 3.15 MJ of fusion energy after delivering 2.05 MJ of laser energy to a D-T target with 192 laser beams, using indirect drive, a very low efficiency scheme where 90% of laser energy is lost.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n

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NIF Expirement<\/h2>\n\n\n\n

In 2022, NIF achieved generating 3.15 MJ of fusion energy after delivering 2.05 MJ of laser energy to a D-T target with 192 laser beams, using indirect drive, a very low efficiency scheme where 90% of laser energy is lost.<\/p>\n\n\n\n

<\/div>\n\n\n\n
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\n \"Slide1\"\n <\/figure>\n <\/div>\n
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Initial irradiation<\/h4>\n

Target (made of Deuterium-Tritium, DT here) is irradiated by high-energy lasers<\/p>\n <\/div>\n <\/div>\n

\n
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\n \"Slide2\"\n <\/figure>\n <\/div>\n
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Compression<\/h4>\n

Target is compressed thanks \u2028to plasma expansion<\/p>\n <\/div>\n <\/div>\n

\n
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\n \"Slide3\"\n <\/figure>\n <\/div>\n
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Ignition<\/h4>\n

Target collapses on itself, density in the center skyrockets and temperature reaches 100M\u00b0C<\/p>\n <\/div>\n <\/div>\n

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\n \"Slide4\"\n <\/figure>\n <\/div>\n
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Combustion<\/h4>\n

The thermonuclear combustion spreads rapidly, producing large amounts of energy<\/p>\n <\/div>\n <\/div>\n <\/div>\n

<\/div>\n <\/div>\n<\/section>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n
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Contact us<\/h2>\n\n\n\n

Do you have any questions? Don’t hesitate to write to us.
We’re here to help!<\/p>\n\n\n\n

<\/div>\n\n\n\n
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\n \n Send your message<\/span>\n <\/span>\n <\/a>\n <\/div>\n<\/div>\n<\/div>\n<\/div><\/section>\n","protected":false},"excerpt":{"rendered":"

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