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A new scroll-type air motor with magnetic spirals
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Luo, Xing, Wang, Jihong, Shpanin, L. M. and Dooner, Mark (2018) A new scroll-type air motor with magnetic spirals. IEEE/ASME Transactions on Mechatronics, 23 (1). 459 -468. doi:10.1109/TMECH.2017.2749378
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Official URL: https://doi.org/10.1109/TMECH.2017.2749378
Abstract
The scroll-type air motor, also named the scroll expander, has been widely used for different applications due to its characteristics of compact structure and high energy conversion efficiency. However, the leakage and the friction result in non-negligible energy losses. This paper presents the recent work on developing a new scroll-type air motor with mounted permanent magnetic spirals and investigates its potential in leakage reduction and efficiency improvement, especially at low-pressure air supply conditions. A method for the implementation of the magnetic scroll air motor is proposed. A prototype is manufactured and initial experimental tests are conducted to study the generalized torque distribution. A mathematical model for the magnetic scroll air motor is developed and a corresponding simulation study is presented. The study shows that the proposed magnetic scroll air motor structure is feasible in terms of manufacturing and has the potential to reduce the air leakage and thus to improve the energy efficiency by a maximum of around 15% at a supply pressure of Pa with a flank leakage clearance reference of 0.06mm.
| Item Type: | Journal Article | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering | ||||||||
| Divisions: | Faculty of Science > Engineering | ||||||||
| Library of Congress Subject Headings (LCSH): | Pneumatic machinery -- Design and construction, Pneumatic machinery -- Energy consumption | ||||||||
| Journal or Publication Title: | IEEE/ASME Transactions on Mechatronics | ||||||||
| Publisher: | Institute of Electrical and Electronics Engineers | ||||||||
| ISSN: | 1083-4435 | ||||||||
| Official Date: | February 2018 | ||||||||
| Dates: |
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| Date of first compliant deposit: | 5 September 2017 | ||||||||
| Volume: | 23 | ||||||||
| Number: | 1 | ||||||||
| Page Range: | 459 -468 | ||||||||
| DOI: | 10.1109/TMECH.2017.2749378 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||||
| Funder: | Engineering and Physical Sciences Research Council (EPSRC) | ||||||||
| Grant number: | EP/K002228/1, EP/L019469/1 | ||||||||
| Related URLs: |
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