Abstract
Studied in this paper is the three-dimensional structure of large-scale vortices in the reattaching zone of a separation bubble formed at the leading edge of a blunt flat plate with right-angled corners. Contours of two-point correlations of surface-pressure and velocity fluctuations and conditionally-averaged velocity-vector fields in several space-time domains revealed a loop-type structure of the large-scale vortices ; the height of the vortex core is about 0.18 xR, xR being the bubble length, from the plate surface ; the distance between legs is 0.6 xR ; the legs incline by an angle 56 to the surface. A qualitative picture of the large-scale cortices is proposed.
| Translated title of the contribution | Three-Dimensional Structure of Large-Scale Vortices in the Reattaching Zone of a Turbulent Separation Bubble |
|---|---|
| Original language | Japanese |
| Pages (from-to) | 308-316 |
| Number of pages | 9 |
| Journal | Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B |
| Volume | 51 |
| Issue number | 461 |
| DOIs | |
| Publication status | Published - Jan 25 1985 |
| Externally published | Yes |
All Science Journal Classification (ASJC) codes
- Fluid Flow and Transfer Processes
- Mechanical Engineering
- General Engineering
- General Earth and Planetary Sciences
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