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Radial and Hoop Compressive Stresses in a Long Cylindrical Superconductor with Viscous Flux Flow

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Abstract

The radial and hoop stresses induced by flux pinning in a type-II bulk superconductor shaped as a long circular cylinder are discussed during an applied magnetic field increases after zero-field cooling. The magnetic response of the bulk superconductor to the applied magnetic field is described by solving the Bean model and viscous flux flow equation simultaneously. The calculations show that the radial and hoop stresses are compressive. The magnitude and distributions of the stresses are influenced by the applied magnetic fields and velocities of viscous flux flow.

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Acknowledgments

This work was supported in part by the National Natural Science Foundation of China (Grant Nos. 51007090 and 11472201), and in part by the Fundamental Research Funds for the Central Universities (Grant Nos. SPSZ991404 and XJS14038).

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  1. School of Mechano-Electronic Engineering, Xidian University, Xi’an, 710071, People’s Republic of China

    Yong Yang & Xiaojing Zheng

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  1. Yong Yang
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  2. Xiaojing Zheng
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Correspondence to Yong Yang.

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Yang, Y., Zheng, X. Radial and Hoop Compressive Stresses in a Long Cylindrical Superconductor with Viscous Flux Flow. J Supercond Nov Magn 28, 2255–2258 (2015). https://doi.org/10.1007/s10948-015-2970-4

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  • DOI: https://doi.org/10.1007/s10948-015-2970-4

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