Samenvatting
A superconducting planar motor is being investigated to provide higher acceleration potential compared to existing planar motors. Currently used permanent magnets are replaced by superconducting electromagnets, at a temperature below 20 K, providing a higher magnetic field density. Fixation of superconductors is a challenge due to the requirements on stiffness and thermal conductivity, which are conflicting in existing fixation designs. In contrast, an electromagnetic position actuator in closed loop control provides stiffness without a path for thermal conduction. The radiative heat flow through such an actuator is analyzed. Furthermore, a thin thermal insulation is required to achieve a high magnetic field density at the location of the warm motor coils. Two insulation concepts are analyzed and compared based on the remaining heat flow. First order heat transfer equations are solved and the results show the potential of the solutions proposed. Further work entails detailed design and experimental verification.
Originele taal-2 | Engels |
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Titel | European Society for Precision Engineering and Nanotechnology, Conference Proceedings - 18th International Conference and Exhibition, EUSPEN 2018 |
Redacteuren | O. Riemer, Enrico Savio, D. Billington, R. K. Leach, D. Phillips |
Uitgeverij | European Society for Precision Engineering and Nanotechnology |
Pagina's | 191-192 |
Aantal pagina's | 2 |
ISBN van geprinte versie | 9780995775121 |
Status | Gepubliceerd - 1 jan. 2018 |
Evenement | 18th International Conference of the European Society for Precision Engineering and Nanotechnology, (EUSPEN 2018) - Venice, Italië Duur: 4 jun. 2018 → 8 jun. 2018 https://www.euspen.eu/events/18th-international-conference-exhibition-4th-8th-june-2018-2-2-2/ |
Congres
Congres | 18th International Conference of the European Society for Precision Engineering and Nanotechnology, (EUSPEN 2018) |
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Verkorte titel | EUSPEN2018 |
Land/Regio | Italië |
Stad | Venice |
Periode | 4/06/18 → 8/06/18 |
Internet adres |
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Assembly comprising a cryostat and layer of superconducting coils and motor system provided with such an assembly
Koolmees, B. & Vermeulen, J. P. M. B., 12 dec. 2019, IPC-nummer G03F 7/20 (2006.01) , H02K 3/24 (2006.01) , Octrooi Nr. WO2019233698, 9 mei 2019, Prioriteitsdatum 5 jun. 2018, Prioriteitsnummer 18175898.8
Onderzoeksoutput: Octrooi › Octrooi-publicatie
Open Access
Bestand
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Positioning device, magnetic support system and lithographic apparatus
Koolmees, B. & Vermeulen, J. P. M. B., 18 apr. 2019, IPC-nummer G03F 7/20 (2006.01) , H01L 21/68 (2006.01) , H01F 6/04 (2006.01) , H02K 55/00 (2006.01) , F17C 13/08 (2006.01) , Octrooi Nr. WO2019072529, 24 sep. 2018, Prioriteitsdatum 11 okt. 2017
Onderzoeksoutput: Octrooi › Octrooi-publicatie
Open Access
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Koolmees, H. B. (2018). High stiffness fixation and thermal insulation in a superconducting planar motor. In O. Riemer, E. Savio, D. Billington, R. K. Leach, & D. Phillips (editors), European Society for Precision Engineering and Nanotechnology, Conference Proceedings - 18th International Conference and Exhibition, EUSPEN 2018 (blz. 191-192). European Society for Precision Engineering and Nanotechnology.
Koolmees, H.B. ; Vermeulen, J.P.M.B. / High stiffness fixation and thermal insulation in a superconducting planar motor. European Society for Precision Engineering and Nanotechnology, Conference Proceedings - 18th International Conference and Exhibition, EUSPEN 2018. redacteur / O. Riemer ; Enrico Savio ; D. Billington ; R. K. Leach ; D. Phillips. European Society for Precision Engineering and Nanotechnology, 2018. blz. 191-192
@inproceedings{7c83a6d9b8ce4fd79ee6e6f9926418f1,
title = "High stiffness fixation and thermal insulation in a superconducting planar motor",
abstract = "A superconducting planar motor is being investigated to provide higher acceleration potential compared to existing planar motors. Currently used permanent magnets are replaced by superconducting electromagnets, at a temperature below 20 K, providing a higher magnetic field density. Fixation of superconductors is a challenge due to the requirements on stiffness and thermal conductivity, which are conflicting in existing fixation designs. In contrast, an electromagnetic position actuator in closed loop control provides stiffness without a path for thermal conduction. The radiative heat flow through such an actuator is analyzed. Furthermore, a thin thermal insulation is required to achieve a high magnetic field density at the location of the warm motor coils. Two insulation concepts are analyzed and compared based on the remaining heat flow. First order heat transfer equations are solved and the results show the potential of the solutions proposed. Further work entails detailed design and experimental verification.",
keywords = "Cryogenic support, High stiffness, Low heat load, Thin thermal insulation, Vacuum insulation",
author = "H.B. Koolmees and J.P.M.B. Vermeulen",
year = "2018",
month = jan,
day = "1",
language = "English",
isbn = "9780995775121",
pages = "191--192",
editor = "O. Riemer and Enrico Savio and D. Billington and Leach, {R. K.} and D. Phillips",
booktitle = "European Society for Precision Engineering and Nanotechnology, Conference Proceedings - 18th International Conference and Exhibition, EUSPEN 2018",
publisher = "European Society for Precision Engineering and Nanotechnology",
note = "18th International Conference of the European Society for Precision Engineering and Nanotechnology, (EUSPEN 2018), EUSPEN2018 ; Conference date: 04-06-2018 Through 08-06-2018",
url = "https://www.euspen.eu/events/18th-international-conference-exhibition-4th-8th-june-2018-2-2-2/",
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Koolmees, HB 2018, High stiffness fixation and thermal insulation in a superconducting planar motor. in O Riemer, E Savio, D Billington, RK Leach & D Phillips (redactie), European Society for Precision Engineering and Nanotechnology, Conference Proceedings - 18th International Conference and Exhibition, EUSPEN 2018. European Society for Precision Engineering and Nanotechnology, blz. 191-192, 18th International Conference of the European Society for Precision Engineering and Nanotechnology, (EUSPEN 2018), Venice, Italië, 4/06/18.
High stiffness fixation and thermal insulation in a superconducting planar motor. / Koolmees, H.B.; Vermeulen, J.P.M.B.
European Society for Precision Engineering and Nanotechnology, Conference Proceedings - 18th International Conference and Exhibition, EUSPEN 2018. redactie / O. Riemer; Enrico Savio; D. Billington; R. K. Leach; D. Phillips. European Society for Precision Engineering and Nanotechnology, 2018. blz. 191-192.
Onderzoeksoutput: Hoofdstuk in Boek/Rapport/Congresprocedure › Conferentiebijdrage › Academic › peer review
TY - GEN
T1 - High stiffness fixation and thermal insulation in a superconducting planar motor
AU - Koolmees, H.B.
AU - Vermeulen, J.P.M.B.
PY - 2018/1/1
Y1 - 2018/1/1
N2 - A superconducting planar motor is being investigated to provide higher acceleration potential compared to existing planar motors. Currently used permanent magnets are replaced by superconducting electromagnets, at a temperature below 20 K, providing a higher magnetic field density. Fixation of superconductors is a challenge due to the requirements on stiffness and thermal conductivity, which are conflicting in existing fixation designs. In contrast, an electromagnetic position actuator in closed loop control provides stiffness without a path for thermal conduction. The radiative heat flow through such an actuator is analyzed. Furthermore, a thin thermal insulation is required to achieve a high magnetic field density at the location of the warm motor coils. Two insulation concepts are analyzed and compared based on the remaining heat flow. First order heat transfer equations are solved and the results show the potential of the solutions proposed. Further work entails detailed design and experimental verification.
AB - A superconducting planar motor is being investigated to provide higher acceleration potential compared to existing planar motors. Currently used permanent magnets are replaced by superconducting electromagnets, at a temperature below 20 K, providing a higher magnetic field density. Fixation of superconductors is a challenge due to the requirements on stiffness and thermal conductivity, which are conflicting in existing fixation designs. In contrast, an electromagnetic position actuator in closed loop control provides stiffness without a path for thermal conduction. The radiative heat flow through such an actuator is analyzed. Furthermore, a thin thermal insulation is required to achieve a high magnetic field density at the location of the warm motor coils. Two insulation concepts are analyzed and compared based on the remaining heat flow. First order heat transfer equations are solved and the results show the potential of the solutions proposed. Further work entails detailed design and experimental verification.
KW - Cryogenic support
KW - High stiffness
KW - Low heat load
KW - Thin thermal insulation
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SN - 9780995775121
SP - 191
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BT - European Society for Precision Engineering and Nanotechnology, Conference Proceedings - 18th International Conference and Exhibition, EUSPEN 2018
A2 - Riemer, O.
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A2 - Leach, R. K.
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Koolmees HB, Vermeulen JPMB. High stiffness fixation and thermal insulation in a superconducting planar motor. In Riemer O, Savio E, Billington D, Leach RK, Phillips D, redacteurs, European Society for Precision Engineering and Nanotechnology, Conference Proceedings - 18th International Conference and Exhibition, EUSPEN 2018. European Society for Precision Engineering and Nanotechnology. 2018. blz. 191-192