Prediction of Effluent Density in a Small Regulating Reservoir

概要

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When a high-density fluid flows into a small-scale water body, a density current is generated by the difference in mud concentration. Diffusion, mixing and overflow take place in the reservoir due to the density current. The influence of inflow on overflow in the reservoir should be estimated when the density of the outflow from the reservoir is regulated. The diffusion and mixing behavior of a density current in a reservoir was examined using a small-scale water body model. The difference in density affected the layer thickness of the density current after the reflection more than before the reflection at the downstream end of the reservoir. Dimensional analysis showed that changes in density for both the reservoir and overflow could be represented as functions of reservoir length, time and buoyancy flux. The empirical equation for the prediction of the overflow density with the functions of degree in dilution and time also was derived from the study.
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