二層流の混合に関する実験的研究

概要

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In this report, an experimental study for predicting effective dilutions of heated waste water released from the thermal or atomic power stations is discussed. This laboratory model test was conducted with two-layered open channel flow, for the purpose of the dilution by mixing with cool water as a preliminary stage of effluence of heated water to the sea. Such a mixing is more complicated because of flowing ambient fluid and deep-submerged thermal discharge. There have been few investigations for these problems in the past. The author takes out dominant factors by considering the dimensional analysis and assumptions of elements of this phenomenon, and appreciates the factors with some mixing coefficients defined newly in this report. The results in the conditions of this experiment shows that the shift of centerline of the mixing region concerns relative velocities of the upper and lower layer primarily, and the spred of the mixing region relates to the buoyancy effect caused by a difference in densities secondarily.
山梨大学の論文