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Current Research Activities in Drive System Technology in Support of the NASA Rotorcraft Program

Robert F. Handschuh, James J. Zakrajsek

Abstract

Drive system technology is a key area for improving rotorcraft performance, noise/vibration reduction, and reducing operational and manufacturing costs. An overview of current research areas that support the NASA Rotorcraft Program will be provided. Work in drive system technology is mainly focused within three research areas: advanced components, thermal behavior/emergency lubrication system operation, and diagnostics/prognostics (also known as Health and Usage Monitoring Systems (HUMS)). Current research activities in each of these activities will be presented. Also, an overview of the conceptual drive system requirements and possible arrangements for the Heavy Lift Rotorcraft program will be reviewed.

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Key concepts: Engineering, Prognostics, Systems engineering, Aeronautics, Work (physics), Research program, Aerospace engineering, Automotive engineering