A Status of NASA Rotorcraft Research
NATIONAL AERONAUTICS AND SPACE ADMINISTRATION MOFFETT FIELD CA AMES RESEARCH CENTER
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In 2006, NASA rotorcraft research was refocused to emphasize high-fidelity, first-principles predictive tool development and validation. As part of this new emphasis, documenting the status of NASA rotorcraft research and defining the state-of-the-art in rotorcraft predictive capability were undertaken. Contributors to this 9-chapter report encompass a wide range of expertise covering the technical disciplines of aeromechanics, acoustics, computational fluid dynamics CFD, flight dynamics and control, experimental capabilities, propulsion, structures and materials, and multi-disciplinary analysis. Within each chapter, brief descriptions of the discipline and subdisciplines are followed by a discussion of the tools available or in development, examples where available of measured versus predicted results, plans for improving predictive capability, required validation data, and possible contributions to other technical areas.