Theoretical and experimental results for the S414, slotted, natural-laminar-flow airfoil

James G. Coder; Mark D. Maughmer; Dan M. Somers

doi:10.2514/1.C032566

Theoretical and experimental results for the S414, slotted, natural-laminar-flow airfoil

James G. Coder, Mark D. Maughmer, Dan M. Somers

Aerospace Engineering

Research output: Contribution to journal › Article › peer-review

26 Scopus citations

Abstract

The S414, slotted, natural-laminar-flow airfoil was designed for rotorcraft applications and has been analyzed theoretically using MSES and OVERFLOW. In addition, it has been verified experimentally in the Pennsylvania State University Low-Speed, Low-Turbulence Wind Tunnel. The primary objectives of the design are high maximum lift and low profile drag, both of which have been achieved while satisfying a thickness constraint. The theoretical analyses show good agreement with the experimental results. The experimental results are compared with those of the S406 and S411 airfoils, which were designed to similar specifications, and illustrate the potential benefits of the slotted, natural-laminar-flow concept.

Original language	English (US)
Pages (from-to)	1883-1890
Number of pages	8
Journal	Journal of Aircraft
Volume	51
Issue number	6
DOIs	https://doi.org/10.2514/1.C032566
State	Published - Nov 1 2014

All Science Journal Classification (ASJC) codes

Aerospace Engineering

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10.2514/1.C032566

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title = "Theoretical and experimental results for the S414, slotted, natural-laminar-flow airfoil",

abstract = "The S414, slotted, natural-laminar-flow airfoil was designed for rotorcraft applications and has been analyzed theoretically using MSES and OVERFLOW. In addition, it has been verified experimentally in the Pennsylvania State University Low-Speed, Low-Turbulence Wind Tunnel. The primary objectives of the design are high maximum lift and low profile drag, both of which have been achieved while satisfying a thickness constraint. The theoretical analyses show good agreement with the experimental results. The experimental results are compared with those of the S406 and S411 airfoils, which were designed to similar specifications, and illustrate the potential benefits of the slotted, natural-laminar-flow concept.",

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Theoretical and experimental results for the S414, slotted, natural-laminar-flow airfoil

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