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Concentration Field of a Passive Scalar in the Cross Plane of a round Counter-jet
| Content Provider | Semantic Scholar |
|---|---|
| Author | Tsunoda, Hiroyuki Takei, Jun-Ichi |
| Copyright Year | 2005 |
| Abstract | The concentration field of a diffusing matter in the cross plane of a turbulent round jet injected into a counter-flowing uniform stream has been investigated using the PLIF techniques. In order to capture images in good focus from a camera oriented obliquely to the object plane, the camera configuration has been designed according to the Scheimpflug condition and a water prism has been introduced to reduce the amount of radial distortions that are caused by imaging through a water channel. Fig. 1 Schematic of flow configuration It has been confirmed that a random fluctuation in the centroid of instantaneous concentration field exists in the cross plane and its amplitude increases downstream more rapidly as compared with a conventional jet in a quiescent ambient. These results could have a close relation with a radial oscillation of the jet core, which is expected to be responsible for its enhanced mixing efficiency. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://fluids.fs.cvut.cz/akce/konference/istp_2005/full/141.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
