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@inproceedings{guo:ipac2021-tupab340, author = {L. Guo and Y. Chen and J. Li and Z.Q. Li and Q. Ma and P. Zhang and X.Y. Zhang and H.J. Zheng}, % author = {L. Guo and Y. Chen and J. Li and Z.Q. Li and Q. Ma and P. Zhang and others}, % author = {L. Guo and others}, title = {{Design of the Magnetic Shielding for 166 MHz and 500 MHz Superconducting RF Cavities at High Energy Photon Source}}, booktitle = {Proc. IPAC'21}, pages = {2289--2291}, eid = {TUPAB340}, language = {english}, keywords = {cavity, shielding, simulation, photon, superconducting-cavity}, venue = {Campinas, SP, Brazil}, series = {International Particle Accelerator Conference}, number = {12}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {08}, year = {2021}, issn = {2673-5490}, isbn = {978-3-95450-214-1}, doi = {10.18429/JACoW-IPAC2021-TUPAB340}, url = {https://jacow.org/ipac2021/papers/tupab340.pdf}, note = {https://doi.org/10.18429/JACoW-IPAC2021-TUPAB340}, abstract = {{Five 166 MHz quarter-wave β=1 superconducting cavities and two 500 MHz single-cell elliptical superconducting cavities have been designed for the storage ring of High Energy Photon Source (HEPS). It is necessary to shield magnetic field for superconducting cavities to reduce the residual surface resistance due to magnetic flux trapping during cavity cool down. The magnetic shielding for both 166 MHz and 500 MHz superconducting cavities have been designed. The residual magnetic field inside the cavities have been calculated by using Opera-3D simulation software. The geographic location of the cavity being installed at the HEPS site and the fringe field of the upstream magnet are considered. These are reported in this paper.}}, }