Technologies
Fusion Device
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The torus-shaped magnetic chamber that leads the pursuit of fusion power, designed in 1951 by Soviet physicists Andrei Sakharov and Igor Tamm. Magnetic fields confine a plasma of deuterium and tritium at temperatures no material wall could touch; the challenge, unsolved after seven decades, is to hold the fuel hot and dense for long enough that fusion releases more energy than the heating consumes, which is what the international ITER machine is built to demonstrate.
Facts
Technology TypeMagnetic confinement fusion device 1 Invented Year Cross-Tradition Connections
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1. World Nuclear Association Information Library
World Nuclear AssociationInformation Library, Nuclear Fusion Power, Fusion technologyQuote, Information Library, Nuclear Fusion Power, Fusion technology
Magnetic fields are ideal for confining a plasma because the electrical charges on the separated ions and electrons mean that they follow the magnetic field lines.
1. World Nuclear Association Information Library
World Nuclear AssociationAssociated With: ITER, Information Library, Nuclear Fusion Power, Fusion researchQuote, Associated With: ITER, Information Library, Nuclear Fusion Power, Fusion research
The goal of ITER is to operate with a plasma thermal output of 500 MW (for at least 400 seconds continuously) with less than 50 MW of plasma heating power input.
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