The prediction equations on particle velocity within a plug and pressure drop in vertical pipe have been formulated by considering fluidized particles. The gas-liquid two-phase theory established by Davidson and Harrison has been assumed as fluidized particles. As a result, the all kinds of calculated values on particle velocity and pressure drop are in good agreement with the experimental values while internal pipe diameter and kinds of particles are changed. The error between calculations and experiments is almost within ± 10%. Additionally, the plug velocity and particle velocity in the flow and radius directions have been measured by digital video camera, high speed camera and PIV. As a result, gas-liquid two-phase theory can be applied to the relation between plug velocity and particle velocity, and there is no particle velocity distribution in the plug. In short, particles in the plug are fixed relative to each other and so they all move with the same velocity.
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ASME/JSME 2007 5th Joint Fluids Engineering Conference
July 30–August 2, 2007
San Diego, California, USA
Conference Sponsors:
- Fluids Engineering Division
ISBN:
0-7918-4288-6
PROCEEDINGS PAPER
Pressure Drop Prediction Considered Fluidized Particle in Vertical Plug Transportation
Mitsuaki Ochi,
Mitsuaki Ochi
Nihon University, Tokyo, Japan
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Masahiro Takei
Masahiro Takei
Nihon University, Tokyo, Japan
Search for other works by this author on:
Kenji Kofu
Nihon University, Tokyo, Japan
Mitsuaki Ochi
Nihon University, Tokyo, Japan
Masahiro Takei
Nihon University, Tokyo, Japan
Paper No:
FEDSM2007-37046, pp. 807-814; 8 pages
Published Online:
March 30, 2009
Citation
Kofu, K, Ochi, M, & Takei, M. "Pressure Drop Prediction Considered Fluidized Particle in Vertical Plug Transportation." Proceedings of the ASME/JSME 2007 5th Joint Fluids Engineering Conference. Volume 1: Symposia, Parts A and B. San Diego, California, USA. July 30–August 2, 2007. pp. 807-814. ASME. https://doi.org/10.1115/FEDSM2007-37046
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