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- Alatalo, Mikael C D,1959Chalmers tekniska högskola,Chalmers University of Technology (author)
Thermal evaluation of a propulsion motor for electric air-craft
- Article/chapterEnglish2020
Publisher, publication year, extent ...
- 2020
Numbers
- LIBRIS-ID:oai:research.chalmers.se:30a4b4a8-1328-4180-91bb-8b268d7c8d91
- https://research.chalmers.se/publication/521759URI
- https://doi.org/10.1109/ICEM49940.2020.9271046DOI
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- Language:English
- Summary in:English
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Notes
- The axial flux and the radial flux machine with concentrated winding are compared in an electric aircraft application. New materials for impregnating the windings are investigated thermally and the radial flux machine is investigated in a case with direct air flow cooling.The axial flux machine has higher relative amount of copper in the end windings and the copper losses are higher in this machine type. However the two rotor concept with a central stator without a yoke has lower core losses. An axial flux machine where the core losses dominate could have benefits compared to the radial flux machine. An impregnating material with the thermal conductivity of 1 W/mK results in only 35 degrees temperature increase over the core temperature of the winding when the current density is 18.8 A / mm2. An example design of the machine is shown. The losses can according to the Comsol analysis be handled with free airflow the machine parts.
Subject headings and genre
- TEKNIK OCH TEKNOLOGIER Maskinteknik Rymd- och flygteknik hsv//swe
- ENGINEERING AND TECHNOLOGY Mechanical Engineering Aerospace Engineering hsv//eng
- TEKNIK OCH TEKNOLOGIER Maskinteknik Energiteknik hsv//swe
- ENGINEERING AND TECHNOLOGY Mechanical Engineering Energy Engineering hsv//eng
- TEKNIK OCH TEKNOLOGIER Elektroteknik och elektronik Annan elektroteknik och elektronik hsv//swe
- ENGINEERING AND TECHNOLOGY Electrical Engineering, Electronic Engineering, Information Engineering Other Electrical Engineering, Electronic Engineering, Information Engineering hsv//eng
- Aircraft propulsion
- FEA
- Permanent electric motor
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- Chalmers tekniska högskola (creator_code:org_t)
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- In:Proceedings - 2020 International Conference on Electrical Machines, ICEM 2020, s. 998-1003
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