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Thermal Design of Linear Induction and Synchronous Motors for Electromagnetic Launch of Civil Aircraft

Bertola, Luca; Cox, Tom; Wheeler, Patrick; Garvey, Seamus D.; Morvan, Herve


Luca Bertola

Seamus D. Garvey

Herve Morvan


The engine size of modern passenger transport aircraft is principally determined by take-off conditions, since initial acceleration requires maximum engine power. An elec¬tromagnetic launch (EML) system could provide some or all of the energy required at takeoff so that the aircraft engine power requirement and fuel consumption may be significantly reduced. So far, EML for aircraft has been adopted only for military applications to replace steam catapults on the deck of aircraft carriers. This paper will describe the potential application of EML to propel civil aircraft on the runways of modern air¬ports. A comparison of synchronous and asynchronous electrical motor systems designed to launch an A320-200 sized aircraft is presented. The paper also describes a solution of the transient heat transfer problem applied to the conductive components of EML systems.


Bertola, L., Cox, T., Wheeler, P., Garvey, S. D., & Morvan, H. (2017). Thermal Design of Linear Induction and Synchronous Motors for Electromagnetic Launch of Civil Aircraft. IEEE Transactions on Plasma Science, 45(7), 1146-1153.

Journal Article Type Article
Acceptance Date Apr 18, 2017
Online Publication Date May 4, 2017
Publication Date 2017-07
Deposit Date Jul 10, 2017
Publicly Available Date Jul 10, 2017
Journal IEEE Transactions on Plasma Science
Print ISSN 0093-3813
Electronic ISSN 1939-9375
Publisher Institute of Electrical and Electronics Engineers
Peer Reviewed Peer Reviewed
Volume 45
Issue 7
Pages 1146-1153
Keywords Civil aircraft, Electromagnetic launch (EML)/ EMLs, Electromagneticcatapult, Linear inductionmotor, Linear synchronous motor, Thermal analysis
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