English

DTIC ADA163609: Proceedings of the Conference on Low Reynolds Number Airfoil Aerodynamics

Current interest in a variety of low Reynolds number applications has focused attention on the design and evaluation of efficient airfoil sections at chord Reynolds numbers from about 100,000 to about 1,000,000. These applications include remotely piloted vehicles (RPVs) at high altitudes, sailplanes, ultra- light man-carrying/man powered aircraft, mini-RPVs at low altitudes and wind turbines/propellers. Although the design and evaluation techniques for airfoil sections above chord Reynolds numbers of 500,000 are reasonably well developed problems related to boundary layer separation and transition have made it difficult to extend these techniques to lower Reynolds numbers. Presently available design and analysis techniques require improved criteria for laminar separation transition, reattachment and turbulent separation. Mathematical models of these complex phenomena require additional very careful experimental studies. The purpose of this Conference on Low Reynolds Number Airfoil Aerodynamics is to bring together those researchers who have been active in areas of closely related to this subject.

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