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在φ１．２ｍ单液流塔板冷模装置的弓形降液管中进行了液体混合的测定，并用混合地模型作了计算。为研究降液管中液体混合问题提供了新方法，对塔板效率的模拟给出了符合实际的边界条件。
The liquid mixture was measured in the arched downcomer of the φ1.2m single-flow tray cold-mold unit and calculated using the mixed model. It provides a new method for studying liquid mixing in downcomer. The simulation of tray efficiency gives the practical boundary conditions.