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Title: Fundamental study on transient bubble (slug) behavior by characterizing transient forces of solid particles in fluidized beds. 1990 Annual report

Technical Report ·
DOI:https://doi.org/10.2172/10185617· OSTI ID:10185617

The objective of this work is to recognize and interpret the signals of transient motion of bubbles (slugs) in fluidized beds by measuring and utilizing the signals of transient motion of solid particles. The two signals were measured simultaneously and also synchronized by using the TTL signal technique in the same fluidized beds. Also, a simultaneous study of video bubble image, transient force and pressure signals was initiated in a two dimensional fluidized bed. we successfully synchronized three signals so that the relationship of bubble behavior and force pressure signals can be identified and characterized. It has been found that bubble image can well be correlated to the transient force signal of solid particles under certain conditions in three dimensional fluidized beds. Accordingly, it seems that the transient force signals can significantly help understanding the transient motion of bubbles (slugs), which is important to design the fluidized beds.

Research Organization:
West Virginia Univ., Morgantown, WV (United States). Dept. of Chemical Engineering
Sponsoring Organization:
USDOE, Washington, DC (United States)
DOE Contract Number:
FC21-87MC24207
OSTI ID:
10185617
Report Number(s):
DOE/MC/24207-2996; ON: DE91002077
Resource Relation:
Other Information: PBD: Jan 1991
Country of Publication:
United States
Language:
English