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Static Aeroelastic Model Validation of Membrane Micro Air Vehicle Wings

Stanford, Bret ; Sytsma, Michael ; Albertani, Roberto ; Viieru, Dragos ; Shyy, Wei ; Ifju, Peter

AIAA journal, 2007-12, Vol.45 (12), p.2828-2837 [Periódico revisado por pares]

Reston, VA: American Institute of Aeronautics and Astronautics

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Título:
Static Aeroelastic Model Validation of Membrane Micro Air Vehicle Wings
Autor: Stanford, Bret ; Sytsma, Michael ; Albertani, Roberto ; Viieru, Dragos ; Shyy, Wei ; Ifju, Peter
Assuntos: Aerodynamics ; Aircraft ; Exact sciences and technology ; Fundamental areas of phenomenology (including applications) ; Mathematical models ; Measurement and testing methods ; Physics ; Reynolds number ; Solid mechanics ; Structural and continuum mechanics ; Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...) ; Wind tunnels
É parte de: AIAA journal, 2007-12, Vol.45 (12), p.2828-2837
Notas: ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
Descrição: A low-aspect-ratio, low-Reynolds-number membrane wing has been identified as a viable platform for micro air vehicle applications. Desirable flying qualities include high lift and larger stability margins. Several challenges are associated with the numerical modeling of such a wing, including highly three-dimensional flows, separation bubbles, and nonlinear membrane behavior. A thorough model validation and system identification effort is therefore required. A novel experimental setup integrates a wind tunnel with a visual image correlation system for simultaneous measurement of wing displacements, strains, and aerodynamic loads. These three metrics are used for a direct comparison of numerical and experimental data for both pre- and poststall angles of attack. Suitable correspondence is demonstrated for moderate angles of attack; methods for increasing the model fidelity can be made for angles with poor predictive capability. Computed flow structures reveal further information concerning the aeroelastic behavior of membrane wings. [PUBLICATION ABSTRACT]
Editor: Reston, VA: American Institute of Aeronautics and Astronautics
Idioma: Inglês

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Static Aeroelastic Model Validation of Membrane Micro Air Vehicle Wings

Stanford, Bret ; Sytsma, Michael ; Albertani, Roberto ; Viieru, Dragos ; Shyy, Wei ; Ifju, Peter

Reston, VA: American Institute of Aeronautics and Astronautics

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