This Is an exploratory study dealing with the effect of gas bubbles on the turbulence Intensity of the liquid in a two-phase flow.
Distributions of time-mean and fluctuating velocities were measured in a two - dimensional channel. These were measured for single-phase flow and on the two sides of a bubble layer, which simulated the two-phase flow.
In single-phase flow the distribution of the time-mean velocities agrees well with other data, while the distribution of the Intensity of turbulence Is lower than expected.
The measurements of the time-mean velocity and turbulence Intensity across the bubble layer revealed that they are discontinuous at that point. This supports the hypothesis that the presence of bubbles in liquid flows tends to lower the intensity of turbulence.
Hetsroni, G. and Einav, S., "Some Basic Properties of Low Quality Two-Phase Turbulent Flow" (1969). Symposia on Turbulence in Liquids. 53.
Symposium on Turbulence Measurements in Liquids (1969: Sep., Rolla, MO)
Chemical and Biochemical Engineering
Article - Conference proceedings
Turbulence Measurements in Modified Fluids
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