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Laser velocimeter measurements of dynamic stall. [conducted in the ames two foot wind tunnel]
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Owen, F. K. |
| Copyright Year | 1984 |
| Description | Laser velocimeter measurements were made during the study of a two-dimensional NACA 0012 airfoil undergoing conditions of dynamic stall. The measurements, which were obtained in the Ames 2 foot wind tunnel at reduced frequencies of 0.12 and 1.2, show significant flow field hysteresis around the static stall angle. Comparisons were also made with dual-plate interferograms and good agreement was found for the attached flow cases. For separated flow, characteristic vortex shedding caused poor agreement and significantly increased the measured Reynolds shear stresses. |
| File Size | 2024128 |
| Page Count | 28 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_19840026358 |
| Archival Resource Key | ark:/13960/t4zh1gc77 |
| Language | English |
| Publisher Date | 1984-04-01 |
| Access Restriction | Open |
| Subject Keyword | Aerodynamics Laser Doppler Velocimeters Airfoils Unsteady Flow Velocity Distribution Two Dimensional Flow Rotary Wings Time Dependence Flow Distribution Wind Tunnel Tests Shear Stress Angle of Attack Separated Flow Aerodynamic Stalling Hysteresis Interferometry Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Technical Report |
