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2021 | OriginalPaper | Chapter

Aerodynamic Shape Design of a Powered Helicopter Cell Using an Adjoint RANS Method with Actuator Disk Modelling

Authors : Jan-Hendrik Wendisch, Marc Wentrup, Arthur Stück

Published in: New Results in Numerical and Experimental Fluid Mechanics XIII

Publisher: Springer International Publishing

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Abstract

The chapter explores the aerodynamic shape design of a powered helicopter cell using an adjoint RANS method with actuator disk modeling. It highlights the sensitivity of helicopter cells to main rotor downwash and the need for viscous CFD evaluations in industrial design optimization. The method captures steady-state rotor effects without the burden of tracing back transient time trajectories. The discrete-adjoint sensitivity analysis is described in detail, along with the actuator-disk extension for shape design optimization. The chapter also presents a case study on the drag minimization of a helicopter cell in powered conditions, demonstrating the practical value of the approach. The optimization study shows that considering rotor effects is crucial for achieving drag reduction in powered flight conditions.

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Metadata
Title
Aerodynamic Shape Design of a Powered Helicopter Cell Using an Adjoint RANS Method with Actuator Disk Modelling
Authors
Jan-Hendrik Wendisch
Marc Wentrup
Arthur Stück
Copyright Year
2021
DOI
https://doi.org/10.1007/978-3-030-79561-0_65

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