Abstract

Mitigation of density stratification with jet was evaluated by using visualization experiments. First, we developed a simple and high accuracy image analysis method to estimate the spatial distribution of density of water. Then, we experimented on various types of stratified field changing Froude number of the jet. We verified that entrainment by jet and internal wave breakings are important to consider water mixing in density stratified fields. Furthermore, we defined the practical parameter including both the impact on the field and the potential energy of the field. The parameter has a linear relation to the volume of new layer formed after water mixing.

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