A 14-Tesla 15-Centimeter-Bore Superconductive Magnet
Water-cooled, cryogenically cooled, and superconducting magnets of various types are currently in use at the Lewis Research Center [1–5]. These magnets are a part of a broad program for advanced space propulsion and power generation concepts, magnetics research, and solid state, plasma, and low-temperature physics. Superconducting magnets are of particular, interest because of inherent advantages in size, cost, and power requirements; and, indeed, they offer the only practical solution for certain parts of the program. Materials studies and a feasibility study in the early 1960’s, resulting in the construction of a 3.3-in. ID, 8-T (tesla) magnet, gave reasonable assurance that the larger volume and higher field strengths required could be achieved. (1 tesla = 1 weber/m2 = 10 kG.)
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