Experimental results are reported on hydrogen-cooled aluminum cryoresistive coils operating at frequencies greater than 1 Hz. It is shown that eddy current losses due to pulsing are minimized by using single-layer coils. Higher losses of cabled conductors and multilayer coils are caused by self-shielding of each conductor or layer from the AC fields from the other conductors. I2R losses for cable is low if the wire size is much smaller than the skin depth (d<<2 mm). High-purity aluminum inductors pulsed at 1 Hz for a few minutes have storage efficiencies greater than 95%. High-modulus-low-density structural materials are required to limit conductor strain and resistivity degradation. Optimization of energy stored per unit mass is discussed, and conceptual designs of 300-MJ hydrogen cooled cryoresistive toroids and solenoids are examined


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    Title :

    Design and optimization of hydrogen cooled pulsed storage inductors for electromagnetic launchers


    Additional title:

    Entwurf und Optimierung von hydrogengekuehlten Impuls-Induktionsspulen fuer elektromagnetische Geschossbeschleuniger (EM-Launcher)


    Contributors:
    Eyssa, Y.M. (author) / Abdelsalam, M.K. (author) / Boom, R.W. (author) / Huang, X. (author) / McIntosh, G.E. (author) / Waynert, J. (author)


    Publication date :

    1989


    Size :

    6 Seiten, 9 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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