A current-carrying coil design with improved liquid cooling arrangement

Leonardo Ricci 1 Luca Matteo Martini 1 Matteo Franchi 1 Andrea Bertoldi 2
2 lp2n-02,lp2n-11
LP2N - Laboratoire Photonique, Numérique et Nanosciences
Abstract : The design of an electromagnet requires the compliance with a number of constraints such as power supply characteristics, coil inductance and resistance, and, above all, heat dissipation, which poses the limit to the maximum achievable magnetic field. A common solution consists in using copper tubes in which a coolant flows. This approach, however, introduces further hydrodynamic concerns. To overcome these difficulties, we developed a new kind of electromagnet in which the pipe concept is replaced by a duct formed by the windings. Here we report on the realization and characterization of a compact model system in which the conductors carry a current that is one order of magnitude higher than the current allowable with conventional designs. Publishing LLC.
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Leonardo Ricci, Luca Matteo Martini, Matteo Franchi, Andrea Bertoldi. A current-carrying coil design with improved liquid cooling arrangement. Review of Scientific Instruments, American Institute of Physics, 2013, 84, pp.065115. ⟨10.1063/1.4811666⟩. ⟨hal-00995397⟩

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