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针对87型屋面雨水排水系统基于重力流设计但实际运行中可能存在半有压流态的特点,结合相关厂家的水力实测试验成果,引入数值模拟技术,分析各种降雨强度下87型雨水系统的排水性能,对比研究其水力工况(斗前水深、气水两相流流态、排水量),为工程应用提供参考依据。
Aiming at the characteristics of 87-type roof drainage system based on gravity flow design but may have half-pressure flow in actual operation, numerical simulation technology is introduced to analyze the results of hydraulic measurement test of relevant manufacturers. Drainage performance, comparative study of its hydraulic conditions (pre-bucket depth, gas-water two-phase flow, displacement), provide a reference for engineering applications.