Investigation of the Development of Laminar Boundary-Layer Instabilities along a Blunted Cone
Final rept. 16 Jul-21 Jul 1986
ARNOLD ENGINEERING DEVELOPMENT CENTER ARNOLD AFB TN
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Measurements of mean-flow and fluctuating-flow parameters were made in the boundary layer of a spherically blunted 0.7-in. radius, 7-deg half- angle cone in an investigation of the stability of laminar boundary layers. The flow-fluctuation measurements were made using hot-wire anemometry techniques. Flow-field profiles and model surface pressures were also measured. The testing was performed at free-stream Mach number 8 with a free-stream unit Reynolds number of 1.6-million per foot. The test equipment and techniques, and the data acquisition and reduction procedures are described. Analysis of the hot-wire anemometer data is beyond the scope of this report. Hypersonic flow, Blunt cone, Wind tunnel tests, Laminar boundary-layer surveys, Hot-wire anemometry, Boundary-layer stability.
- Fluid Mechanics