针对外环流活塞泵运转时出现的汽蚀、震动问题，从理论上分析了转子型线与闭死容积、流速变化和发生汽蚀的内在关系；
To the problem of cavitation and shock that appears in the outside circulation piston pump running, the relation-ship between rotor profile and dead volume, flow rate and cavitation were analyzed.
主泵提供足够的强迫循环流量，以保证有充分的热传递能力。
The reactor coolant pump provides sufficient forced circulation flow to ensure adequate heat transfer.
通过对三叶外环流活塞泵工作原理的研究，得出了它的封液条件和不干涉条件，并给出了设计方法和有关公式。
The operating principle of three--vane external circulating current piston pump was studied and the conditions of liquid seal and non--interferrence of the pump were got.
通过模拟计算，研究了回流比、预热冷却器面积、塔釜冷却量、蒸发器加热量以及泵循环流量对热敏精馏过程的影响。
By simulation, the effects of reflux ratio, the area of the preheat-cool exchanger, cool duty of still pot, heat duty of evaporator and the liquid flow recycled by pump on heat sens...
通过模拟计算，研究了回流比、预热冷却器面积、塔釜冷却量、蒸发器加热量以及泵循环流量对热敏精馏过程的影响。
By simulation, the effects of reflux ratio, the area of the preheat-cool exchanger, cool duty of still pot, heat duty of evaporator and the liquid flow recycled by pump on heat sens...
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