Tokamak à Configuration Variable
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High Quality Content by WIKIPEDIA articles! The Tokamak à configuration variable ("variable configuration tokamak", TCV) is a research fusion reactor (tokamak) of the École polytechnique fédérale de Lausanne. Its particularity is that its torus section is three times higher than wide. This allows studying several shapes of plasmas, which is particularly relevant since the shape of the plasma has links to the performance of the reactor. The TCV was set up in November 1992.A tokamak is a type of machine that uses a magnetic field to confine a plasma in the shape of a torus (donut). Achieving a…mehr

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High Quality Content by WIKIPEDIA articles! The Tokamak à configuration variable ("variable configuration tokamak", TCV) is a research fusion reactor (tokamak) of the École polytechnique fédérale de Lausanne. Its particularity is that its torus section is three times higher than wide. This allows studying several shapes of plasmas, which is particularly relevant since the shape of the plasma has links to the performance of the reactor. The TCV was set up in November 1992.A tokamak is a type of machine that uses a magnetic field to confine a plasma in the shape of a torus (donut). Achieving a stable plasma equilibrium requires magnetic field lines that move around the torus in a helical shape. Such a helical field can be generated by adding a toroidal field (traveling around the torus in circles) and a poloidal field (traveling in circles orthogonal to the toroidal field). In a tokamak, the toroidal field is produced by electromagnets that surround the torus, and the poloidal field is the result of a toroidal electric current that flows inside the plasma. This current is induced inside the plasma with a second set of electromagnets.