Magnetic fields in tokamak reactors, such as those used in fusion power experiments, do not provide thermal insulation but instead maintain physical separation between the plasma and reactor walls. The plasma, which reaches temperatures of 1 million Kelvin, is held in place by the Lorentz force, preventing direct contact with the reactor's inner surfaces. Heat transfer from the plasma to the reactor core is minimal due to the lack of a medium for convective and conductive heat transfer, and the reactor walls are designed to have low emissivity to reduce radiative heat transfer.
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Ian_Brooks said:some Fusion power experimental reactors use tokamaks to contain plasma using strong magnetic fields. However this plasma is at a sizzling 1M Kelvin so how is this level of thermal insulation engineered, using magnetic fields?