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An examination of a 3D corner-step experiment by Sheldon D. Stokes; Mark N. Glauser; Thomas B. Gatski is a Engineering article available to read on EtoBox.

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This paper presents results of LDV measurements in a complex three-dimensional (3D) turbulent ̄ow. The experimental con®guration studied, shown in Fig. 1, provides a complex 1 parameter (step height) three-dimensional ̄ow with two-dimensional (2D) relaxation limits in the spanwise direction (that is, 2D channel ̄ow and 2D backstep). Note that this ̄ow is more complex than the simple 2D back-step described by Eaton and Johnston, 1981, AIAA Journal, vol. 19, pp. 1093±1100. However, when spanwise limits are taken out from either side of the centerline the ̄ow relaxes to two well studied 2D ̄ows. On the block side, the spanwise limit results in a 2D turbulent channel ̄ow. On the step side, the spanwise limit results in the 2D back-step ̄ow. In the center region of the facility, however the ̄ow is strongly 3D. The data presented here, was taken with a three component laser Velocimetry system, thus all three velocity components can be measured simultaneously. The results presented here clearly indicate that this ̄ow provides a complex 3D ̄ow for turbulence model calibration with the added attraction of the 2D spanwise limits. In the region within two stepheights either side in

Who reads An examination of a 3D corner-step experiment?

Author

Sheldon D. Stokes; Mark N. Glauser; Thomas B. Gatski

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0894-1777)

Published

1998

Language

EN

Field

Engineering (Physical Sciences)