Résumé
We study experimentally a four-winged flapping flyer with chord-wise flexible wings in a self-propelled setup. For a given physical configuration of the flyer (i.e. fixed distance between the forewing and hindwing pairs and fixed wing flexibility), we explore the kinematic parameter space constituted by the flapping frequency and the forewing-hindwing phase lag. Cruising speed and consumed electric power measurements are performed for each point in the (f, φ) parameter space and allow us to discuss the problem of performance and efficiency in four-winged flapping flight. We show that different phase-lags are needed for the system to be optimised for fastest flight or lowest energy consumption. A conjecture of the underlying mechanism is proposed in terms of the coupled dynamics of the forewing-hindwing phase lag and the deformation kinematics of the flexible wings.
| langue originale | Anglais |
|---|---|
| titre | Selected Topics of Computational and Experimental Fluid Mechanics, 2013 |
| rédacteurs en chef | Jaime Klapp, Abraham Medina Ovando, Abel Lopez Villa, Leonardo Di G. Sigalotti, Jaime Klapp, Gerardo Ruiz Chavarria, Leonardo Di G. Sigalotti |
| Editeur | Springer Berlin Heidelberg |
| Pages | 147-158 |
| Nombre de pages | 12 |
| ISBN (imprimé) | 9783319114866 |
| Les DOIs | |
| état | Publié - 1 janv. 2015 |
| Modification externe | Oui |
| Evénement | International Enzo Levi Spring School and 19th National Congress of the Fluid Dynamics Division of the Mexican Physical Society, 2013 - Jiutepec, Mexique Durée: 13 nov. 2015 → 15 nov. 2015 |
Série de publications
| Nom | Environmental Science and Engineering |
|---|---|
| ISSN (imprimé) | 1863-5520 |
| ISSN (Electronique) | 1863-5539 |
Une conférence
| Une conférence | International Enzo Levi Spring School and 19th National Congress of the Fluid Dynamics Division of the Mexican Physical Society, 2013 |
|---|---|
| Pays/Territoire | Mexique |
| La ville | Jiutepec |
| période | 13/11/15 → 15/11/15 |
SDG des Nations Unies
Ce résultat contribue à ou aux Objectifs de développement durable suivants
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SDG 7 Énergie abordable et propre
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