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A collaborative numerical and experimental investigation of flapping-wing propulsion

  • An international, collaborative investigation is undertaken to evaluate the relative merits and limitations of various numerical methods and experimental measurement techniques, specifically for the analysis of flapping-wing propulsion. A finite aspect-ratio configuration is extensively investigated, both quantitatively and qualitatively, in a low-speed wind tunnel. Direct force measurements are made, as well as time-accurate and time-averaged laser Doppler velocimetry and unsteady flow visualization. The reduced frequency, mean angle of attack, aspect ratio and Reynolds number are varied in the experiments. The experiment is numerically simulated using flatplate theory, two and three-dimensional panel codes, and two and three-dimensional Euler and Navier- Stokes solvers. The ability of each of the methods to capture important aspects of the flow physics are evaluated through comparisons with each other and the experimental data. Additionally, the comparisons indicate areas whereAn international, collaborative investigation is undertaken to evaluate the relative merits and limitations of various numerical methods and experimental measurement techniques, specifically for the analysis of flapping-wing propulsion. A finite aspect-ratio configuration is extensively investigated, both quantitatively and qualitatively, in a low-speed wind tunnel. Direct force measurements are made, as well as time-accurate and time-averaged laser Doppler velocimetry and unsteady flow visualization. The reduced frequency, mean angle of attack, aspect ratio and Reynolds number are varied in the experiments. The experiment is numerically simulated using flatplate theory, two and three-dimensional panel codes, and two and three-dimensional Euler and Navier- Stokes solvers. The ability of each of the methods to capture important aspects of the flow physics are evaluated through comparisons with each other and the experimental data. Additionally, the comparisons indicate areas where further research is needed. The collaborative effort provides a survey of available capabilities and provides a fixed set of flappingwing data for others to compare against.zeige mehrzeige weniger

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Metadaten
Verfasserangaben:Kevin Jones, Breno Castro, Osama Mahmoud, S. Pollard, Max Platzer, Matthias Neef, K. Gonet, D. Hummel
Fachbereich/Einrichtung:Hochschule Düsseldorf / Fachbereich - Maschinenbau und Verfahrenstechnik
Dokumentart:Sammelbandbeitrag/Buchkapitel
Erscheinungsjahr:2002
Sprache der Veröffentlichung:Englisch
Verlag:American Institute of Aeronautics and Astronautics
Verlagsort:Reston, Virigina
Titel des übergeordneten Werkes (Englisch):40th AIAA Aerospace Sciences Meeting & Exhibit
Seitenzahl:36
Related URL:http://arc.aiaa.org/doi/book/10.2514/MASM02
DOI:https://doi.org/10.2514/6.2002-706
DDC-Klassifikation:6 Technik, Medizin, angewandte Wissenschaften / 62 Ingenieurwissenschaften / 620 Ingenieurwissenschaften und zugeordnete Tätigkeiten
Lizenz (Deutsch):keine Lizenz - nur Metadaten
Datum der Freischaltung:20.12.2019
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