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How strong is the magnetic field used in a typical MHD generator?
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magnetohydrodynamic power generator
Comparison of the operating principles of (A) a turbogenerator and (B) an MHD generator.
To produce a competitive magnetohydrodynamic (MHD) power system, the magnetic field applied across the channel must have high intensity. In a typical MHD generator, a superconducting magnet is employed to provide a magnetic field in the range of three to five teslas.1