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在模拟直流锅炉集箱系统的空气┐水试验台上，对分配集箱入口装设加速管和不装设加速管的水平Ｕ型和Ｚ型集箱系统的两相流流量分配特性进行了对比性实验研究。研究发现：在相同的两相流量条件下，在分配集箱入口装设加速管，能够有效地改进原有集箱系统的分配特性。当分配集箱入口的两相流流速达到破膜速度的０．４５倍左右时，集箱系统的两相流量分配已基本均匀。图２０参２
In the simulation of the boiler system of air boilers, the two-phase flow distribution characteristics of horizontal U-shaped and Z-shaped header systems equipped with an accelerating tube and an accelerating tube without an accelerating tube were compared Sexual Laboratory Research. It is found that installing an accelerating tube at the entrance of the distribution header under the same two-phase flow conditions can effectively improve the distribution characteristics of the original header system. When the flow rate of the two-phase flow at the inlet of the header is about 0.45 times the rupture speed, the two-phase flow distribution in the header system is substantially uniform. Figure 20 reference 2