Automatic Tip Vortex Core Profiling for Numerical Flow Simulations of Rotorcraft in Hover | Zendy

David L. Kao | Zendy; Neal M. Chaderjian | Zendy

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Automatic Tip Vortex Core Profiling for Numerical Flow Simulations of Rotorcraft in Hover

Author(s) -

David L. Kao,

Neal M. Chaderjian

Publication year - 2010

Publication title -

38th fluid dynamics conference and exhibit

Language(s) - English

Resource type - Conference proceedings

DOI - 10.2514/6.2010-4752

Subject(s) - vortex , profiling (computer programming) , aerospace engineering , mechanics , core (optical fiber) , computer science , flow (mathematics) , marine engineering , physics , engineering , telecommunications , operating system

An automated approach is presented that extracts visual and quantitative data from vortex cores produced by Navier-Stokes simulations of rotorcraft in hover mode. This approach extracts contiguous rotor tip vortex-core trajectories, cross-flow velocity profiles, and vortex-core diameter variation with wake age (azimuth angle). This automated approach is faster and more accurate than a conventional manual approach. Moreover, this new approach allows for an efficient way to quantitatively compare vortex-core profiles from different flow simulations, e.g., grid resolution studies, and validate computed results with experimental data.

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