合理的管束布置，对于强化回热作用，降低流动汽阻具有重要意义。
The reasonable layout of tube bundle can strengthen the heat regenerative effect and reduce flow steam resistance.
讨论了内置单、双低加不同设计结构与凝汽器喉部汽阻以及喉部流动状态的关系。
The relation between different design structure of single and double low-pressure heaters with flow resistance of the condenser throat and flowing stage in the throat was discussed.
基于两相流的有关理论，分析了凝汽器喉部出口蒸汽流场对凝汽器汽阻影响的机理。
Based on the theory of two-phase flow, the mechanism of the condenser's steam resistance which is influenced by the steam velocity field at the condenser's throat outlet was analyzed.
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