Turbulent fluid and particle interaction in the boundary layer for cross flow over a tube

J. R. Fan; X. Y. Zhang; J. Jin; Y. Q. Zheng; K. F. Cen

doi:10.1016/s0301-9322(97)00049-9

Turbulent fluid and particle interaction in the boundary layer for cross flow over a tube

J. R. Fan, X. Y. Zhang, J. Jin, Y. Q. Zheng, K. F. Cen

Research output: Journal Publication › Article › peer-review

4 Citations (Scopus)

Abstract

The influence of solid particles on the flow characteristics of the boundary layer for cross flow over a tube has been experimentally studied. A phase-Doppler anemometer was used to measure the mean and fluctuation velocities of both phases. Two separate tests were conducted with two particle size ranges (30-60 μm and 80-150 μm) and the freestream velocity and solid mass loading ratio were fixed, allowing the effects of particle sizes on the shape of the mean velocity profile and on the turbulent intensity levels. The measurements clearly demonstrated that the larger particles damped fluid turbulence. For the smaller particles, this damping effect was less noticeable. The measurements further showed a delay in the separation point for two phase turbulent cross flow over a tube.

Original language	English
Pages (from-to)	213-223
Number of pages	11
Journal	International Journal of Multiphase Flow
Volume	24
Issue number	2-7
DOIs	https://doi.org/10.1016/s0301-9322(97)00049-9
Publication status	Published - Mar 1998
Externally published	Yes

Keywords

Boundary layer
PDA measurement
Particle and fluid turbulence interaction
Two-phase cross flow over a tube

ASJC Scopus subject areas

Mechanical Engineering
General Physics and Astronomy
Fluid Flow and Transfer Processes

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10.1016/s0301-9322(97)00049-9

Cite this

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title = "Turbulent fluid and particle interaction in the boundary layer for cross flow over a tube",

abstract = "The influence of solid particles on the flow characteristics of the boundary layer for cross flow over a tube has been experimentally studied. A phase-Doppler anemometer was used to measure the mean and fluctuation velocities of both phases. Two separate tests were conducted with two particle size ranges (30-60 μm and 80-150 μm) and the freestream velocity and solid mass loading ratio were fixed, allowing the effects of particle sizes on the shape of the mean velocity profile and on the turbulent intensity levels. The measurements clearly demonstrated that the larger particles damped fluid turbulence. For the smaller particles, this damping effect was less noticeable. The measurements further showed a delay in the separation point for two phase turbulent cross flow over a tube.",

keywords = "Boundary layer, PDA measurement, Particle and fluid turbulence interaction, Two-phase cross flow over a tube",

author = "Fan, {J. R.} and Zhang, {X. Y.} and J. Jin and Zheng, {Y. Q.} and Cen, {K. F.}",

note = "Funding Information: The authors would like to acknowledge the financial support for this research provided by the National Natural Science Foundation of the People's Republic of China. ",

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AU - Fan, J. R.

AU - Zhang, X. Y.

AU - Jin, J.

AU - Zheng, Y. Q.

AU - Cen, K. F.

N1 - Funding Information: The authors would like to acknowledge the financial support for this research provided by the National Natural Science Foundation of the People's Republic of China.

PY - 1998/3

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N2 - The influence of solid particles on the flow characteristics of the boundary layer for cross flow over a tube has been experimentally studied. A phase-Doppler anemometer was used to measure the mean and fluctuation velocities of both phases. Two separate tests were conducted with two particle size ranges (30-60 μm and 80-150 μm) and the freestream velocity and solid mass loading ratio were fixed, allowing the effects of particle sizes on the shape of the mean velocity profile and on the turbulent intensity levels. The measurements clearly demonstrated that the larger particles damped fluid turbulence. For the smaller particles, this damping effect was less noticeable. The measurements further showed a delay in the separation point for two phase turbulent cross flow over a tube.

AB - The influence of solid particles on the flow characteristics of the boundary layer for cross flow over a tube has been experimentally studied. A phase-Doppler anemometer was used to measure the mean and fluctuation velocities of both phases. Two separate tests were conducted with two particle size ranges (30-60 μm and 80-150 μm) and the freestream velocity and solid mass loading ratio were fixed, allowing the effects of particle sizes on the shape of the mean velocity profile and on the turbulent intensity levels. The measurements clearly demonstrated that the larger particles damped fluid turbulence. For the smaller particles, this damping effect was less noticeable. The measurements further showed a delay in the separation point for two phase turbulent cross flow over a tube.

KW - Boundary layer

KW - PDA measurement

KW - Particle and fluid turbulence interaction

KW - Two-phase cross flow over a tube

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Turbulent fluid and particle interaction in the boundary layer for cross flow over a tube

Abstract

Keywords

ASJC Scopus subject areas

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