Flow visualization and characterization of multiphase flows have been the quest of many fluid mechanicians. The process is fairly straight forward only when there is good optical access (i.e., the vessel is not opaque or there are appropriate viewing ports) and the flow is transparent, implying a very low volume fraction of the dispersed phase; however, when optical access is not good or the fluid is opaque, alternative methods must be developed. Several different noninvasive visualization tools have been developed to provide high-quality qualitative and quantitative data of various multiphase flow characteristics, and overviews of these methods have appeared in the literature. X-ray imaging is one family of noninvasive measurement techniques used extensively for product testing and evaluation of static objects with complex structures. X-rays can also be used to visualize and characterize multiphase flows. This paper provides a review of the current status of X-ray flow visualization and details various X-ray flow visualization methods that can provide qualitative and quantitative information about the characteristics of complex multiphase flows.
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July 2011
Technology Review
A Review of X-Ray Flow Visualization With Applications to Multiphase Flows
Theodore J. Heindel
Theodore J. Heindel
Bergles Professor of Thermal Science, Department of Mechanical Engineering,
Iowa State University
, Ames
, IA 50011 e-mail:
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Theodore J. Heindel
Bergles Professor of Thermal Science, Department of Mechanical Engineering,
Iowa State University
, Ames
, IA 50011 e-mail: J. Fluids Eng. Jul 2011, 133(7): 074001 (16 pages)
Published Online: July 22, 2011
Article history
Received:
January 6, 2011
Revised:
May 21, 2011
Online:
July 22, 2011
Published:
July 22, 2011
Citation
Heindel, T. J. (July 22, 2011). "A Review of X-Ray Flow Visualization With Applications to Multiphase Flows." ASME. J. Fluids Eng. July 2011; 133(7): 074001. https://doi.org/10.1115/1.4004367
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