Experimental measurements of the tripped turbulent boundary layer profile characteristics on a yawed, spinning tangent-ogive-cylinder model are described. The profile measurements were made using a flattened total head probe at 30 deg increments completely about the azimuthal plane for three longitudinal stations at M = 3, alpha = 4 deg omega = 0 and 10000 RPM. Wall static pressure measurements were obtained in order to compute velocity profiles from the measured total head pressure. The data have been analyzed according to law of the wall/law of the wake concepts using a least squares fitting technique. The effect of azimuthal position is revealed in the growth of the wake parameter by a factor of two from the wind to the lee-side. A small but consistent effect of spin is also apparent.
Experimental measurements of the turbulent boundary layer on a yawed, spinning slender body
Experimentelle Messungen der turbulenten Grenzschicht an einem schiebenden und kreiselnden Hohlzylinder
US Government Reports ; 1-27
1977
27 Seiten
Report
Englisch
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