Abstract
While air traffic volume is projected to increase, the aviation industry is also faced with the need to reduce its fuel consumption for environmental sustainability, leading to a renewed interest in laminar flow control (LFC) research. One LFC technology consists in stabilizing the boundary layer using wall suction, most commonly through a micro-perforated suction panel or porous wall. Applying wall suction on a boundary layer increases its mean velocity profile curvature (and therefore its stability), and redistributes the disturbance energy closer to the wall where there is higher viscous dissipation. As a result, the growth of boundary layer instabilities is reduced and transition is delayed.
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Methel, J., Forte, M., Vermeersch, O., Casalis, G. (2022). An Experimental Investigation of the Effects of Wires and Forward-Facing Steps on the Laminar-Turbulent Transition of a Sucked Boundary Layer. In: Sherwin, S., Schmid, P., Wu, X. (eds) IUTAM Laminar-Turbulent Transition. IUTAM Bookseries, vol 38. Springer, Cham. https://doi.org/10.1007/978-3-030-67902-6_18
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