The performances of an original passive control system based on a biomimetic approach are assessed by investigating the flow over a bluff body. This control device consists of a couple of flaps made from the combination of a rigid plastic skeleton coated with a porous fabric mimicking the shaft and the vane of the birdʼs feathers, respectively. The sides of a square cylinder have been fitted with this system so that each flap can freely rotate around its leading edge. This feature allows the movable flaps to self-adapt to the flow conditions. Comparing both the uncontrolled and the controlled flow, a significant drag reduction (
Nicolas Mazellier 1 ; Audrey Feuvrier 1 ; Azeddine Kourta 1
@article{CRMECA_2012__340_1-2_81_0, author = {Nicolas Mazellier and Audrey Feuvrier and Azeddine Kourta}, title = {Biomimetic bluff body drag reduction by self-adaptive porous flaps}, journal = {Comptes Rendus. M\'ecanique}, pages = {81--94}, publisher = {Elsevier}, volume = {340}, number = {1-2}, year = {2012}, doi = {10.1016/j.crme.2011.11.006}, language = {en}, }
TY - JOUR AU - Nicolas Mazellier AU - Audrey Feuvrier AU - Azeddine Kourta TI - Biomimetic bluff body drag reduction by self-adaptive porous flaps JO - Comptes Rendus. Mécanique PY - 2012 SP - 81 EP - 94 VL - 340 IS - 1-2 PB - Elsevier DO - 10.1016/j.crme.2011.11.006 LA - en ID - CRMECA_2012__340_1-2_81_0 ER -
Nicolas Mazellier; Audrey Feuvrier; Azeddine Kourta. Biomimetic bluff body drag reduction by self-adaptive porous flaps. Comptes Rendus. Mécanique, Biomimetic flow control, Volume 340 (2012) no. 1-2, pp. 81-94. doi : 10.1016/j.crme.2011.11.006. https://comptes-rendus.academie-sciences.fr/mecanique/articles/10.1016/j.crme.2011.11.006/
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