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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Jason, J. Ford Theodore, J. Heindel Terrence, C. Jensen |
| Copyright Year | 2007 |
| Abstract | X-ray computed tomography (CT) is used to explore the differences in gas dispersion in a gas-sparged stirred-tank reactor (STR) for different operating conditions. X-ray CT imaging is completed for various impeller speeds and gas flow rates in a 0.21 m ID STR made out of acrylic and equipped with a nylon Rushton-type impeller. From the CT slices, major differences in local time-averaged gas holdup can be seen, depending on the operating condition. Completely dispersed conditions have a relatively uniform holdup profile while flooded conditions have an increase in gas holdup towards the center of the tank. The high resolution of the X-ray system allows for visualizing time-averaged gas flow details such as low gas holdup regions directly above the impeller region under certain operating conditions and recirculation regions behind the baffles. |
| Sponsorship | Fluids Engineering Division |
| Starting Page | 445 |
| Ending Page | 452 |
| Page Count | 8 |
| File Format | |
| ISBN | 0791842886 |
| DOI | 10.1115/FEDSM2007-37022 |
| e-ISBN | 0791838056 |
| Volume Number | Volume 1: Symposia, Parts A and B |
| Conference Proceedings | ASME/JSME 2007 5th Joint Fluids Engineering Conference |
| Language | English |
| Publisher Date | 2007-07-30 |
| Publisher Place | San Diego, California, USA |
| Access Restriction | Subscribed |
| Subject Keyword | Stirred-tank reactor Hydrodynamics X-ray computed tomography Local gas holdup Computerized tomography Imaging |
| Content Type | Text |
| Resource Type | Article |
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