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2021•Physical Review FluidsRequires access

Simulation and characterization of the laminar separation bubble over a NACA-0012 airfoil as a function of angle of attack

Eltayeb M. Eljack, Julio Soria, Yasir A. Elawad, Tomohisa Ohtake

Open publisher page 37 citations

Abstract

Airfoils operating at low Reynolds number have a proclivity to induce a laminar separation bubble (LSB) on their upper surface. We investigate the effects of angle of attack on the characteristics of the LSB and the flow field around a NACA0012 airfoil. Large-eddy simulations show that there are three distinct angle-of-attack regimes: a pre-stall attached flow, a near stall separating-attaching flow, and a full stall separated flow without reattachment.

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What this paper is about

Airfoils operating at low Reynolds number have a proclivity to induce a laminar separation bubble (LSB) on their upper surface. We investigate the effects of angle of attack on the characteristics of the LSB and the flow field around a NACA0012 airfoil. Large-eddy simulations show that there are three distinct angle-of-attack regimes: a pre-stall attached flow, a near stall separating-attaching flow, and a full stall separated flow without reattachment.

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OpenAlex reports 37 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

Airfoils operating at low Reynolds number have a proclivity to induce a laminar separation bubble (LSB) on their upper surface. We investigate the effects of angle of attack on the characteristics of the LSB and the flow field around a NACA0012 airfoil. Large-eddy simulations show that there are three distinct angle-of-attack regimes: a pre-stall attached flow, a near stall separating-attaching flow, and a full stall separated flow without reattachment.

Key concepts: Stall (fluid mechanics), Airfoil, NACA airfoil, Angle of attack, Laminar flow, Mechanics, Flow separation, Reynolds number

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