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Electromagnetic Efficiency and Mass of Magnetic Gears for Electrified AircraftMagnetic gears are currently being explored to replace mechanical gears in various industries such as wind and automotive due to their higher reliability and lower maintenance requirements. In these applications volume minimization has been the goal of magnetic gear development. In contrast, the primary performance metrics for electrified aircraft drives are mass and efficiency. This paper presents the first ever study of design tradeoffs between electromagnetic mass and efficiency of concentric magnetic gears and the feasibility of achieving the low mass and high efficiency required for electrified aircraft applications. Higher level design variables are considered, including gear ratio, number of magnetic pole pairs, and number of magnets per pole pair.
Document ID
20190030509
Acquisition Source
Glenn Research Center
Document Type
Presentation
Authors
Tallerico, Thomas (NASA Glenn Research Center Cleveland, OH, United States)
Scheidler, Justin (NASA Glenn Research Center Cleveland, OH, United States)
Cameron, Zachary (NASA Glenn Research Center Cleveland, OH, United States)
Date Acquired
September 6, 2019
Publication Date
August 22, 2019
Subject Category
Aircraft Propulsion And Power
Report/Patent Number
GRC-E-DAA-TN72224
Meeting Information
Meeting: AIAA/IEEE Electric Aircraft Technologies Symposium (EATS)
Location: Indianapolis, IN
Country: United States
Start Date: August 22, 2019
End Date: August 24, 2019
Sponsors: American Institute of Aeronautics and Astronautics (AIAA), Institute of Electrical and Electronics Engineers (IEEE)
Funding Number(s)
WBS: 664817.02.03.02.02.02
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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