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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Joshua, B. Drake Nathan, P. Franka Theodore, J. Heindel |
| Copyright Year | 2008 |
| Abstract | Fluidized beds utilize a gas stream to fluidize solid particles and are used in the process industries because they provide a low pressure drop, uniform temperature distribution, and high heat transfer rates. Knowledge of fluidized bed hydrodynamics is necessary in the design and scale up of such devices. However, fluidized bed hydrodynamics are difficult to visualize and quantify because the systems are opaque and intrusive probes do not provide satisfactory measurements. This paper describes the development of X-ray particle tracking velocimetry (XPTV) to study fluidized bed hydrodynamics. XPTV utilizes X-rays to track specially designed tracer particles in a fluidized bed to noninvasively determine particle velocities. Stereoscopic X-ray imaging is used to locate the 3D position of the tracer particle as a function of time within a fluidized bed, from which particle velocity can be determined. An example of particle tracking will be shown and the automation of this process will be described. |
| Starting Page | 379 |
| Ending Page | 386 |
| Page Count | 8 |
| File Format | |
| ISBN | 9780791848715 |
| DOI | 10.1115/IMECE2008-66224 |
| e-ISBN | 9780791838402 |
| Volume Number | Volume 10: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A, B, and C |
| Conference Proceedings | ASME 2008 International Mechanical Engineering Congress and Exposition |
| Language | English |
| Publisher Date | 2008-10-31 |
| Publisher Place | Boston, Massachusetts, USA |
| Access Restriction | Subscribed |
| Subject Keyword | Particle tracking Stereography Fluidized bed X-rays X-ray particle tracking velocimetry Fluidized beds Particulate matter |
| Content Type | Text |
| Resource Type | Article |
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