NASA Glenn Research Center Program in High Power Density Motors for Aeropropulsion - Softcover

 
9781289239213: NASA Glenn Research Center Program in High Power Density Motors for Aeropropulsion
Softcover
ISBN 10: 1289239215 ISBN 13: 9781289239213
Verlag: Bibliogov, 2013

Inhaltsangabe

Electric drive of transport-sized aircraft propulsors, with electric power generated by fuel cells or turbo-generators, will require electric motors with much higher power density than conventional room-temperature machines. Cryogenic cooling of the motor windings by the liquid hydrogen fuel offers a possible solution, enabling motors with higher power density than turbine engines. Some context on weights of various systems, which is required to assess the problem, is presented. This context includes a survey of turbine engine weights over a considerable size range, a correlation of gear box weights and some examples of conventional and advanced electric motor weights. The NASA Glenn Research Center program for high power density motors is outlined and some technical results to date are presented. These results include current densities of 5,000 A per square centimeter current density achieved in cryogenic coils, finite element predictions compared to measurements of torque production in a switched reluctance motor, and initial tests of a cryogenic switched reluctance motor.

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Verlag
Bibliogov
Erscheinungsdatum
2013
Sprache
Englisch
ISBN 10 
1289239215
ISBN 13 
9781289239213
Einband
Taschenbuch
Anzahl der Seiten
32
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