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Condensation in a vertical tube bundle passive condenser - Part 2: Complete condensation

机译:垂直管束无源冷凝器中的冷凝物-第2部分:完全冷凝

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摘要

An experimental study of the tube bundle effect on heat removal capabilities in complete condensation mode of a passive condenser was performed. A full scale test section, with four condenser tubes, was designed and constructed to simulate operating conditions of a passive containment cooling system. For complete condensation analysis, pure steam was supplied to the test section and heat transfer properties were measured for pressure from 100 to 280 kPa. The condensation heat transfer results were similar to the findings from single tubes, except for a slightly higher condensate mass flux. This was determined to be a result of turbulent mixing in the secondary boiling water caused by the tube bundle.
机译:在被动冷凝器的完全冷凝模式下,进行了管束对除热能力影响的实验研究。设计并构造了一个带有四个冷凝器管的全尺寸测试段,以模拟被动安全壳冷却系统的运行条件。为了进行完整的冷凝分析,将纯蒸汽供应至测试段,并测量100至280 kPa压力下的传热性能。冷凝水的传热结果与单管的结果相似,只是冷凝水的质量通量略高。确定这是由于管束在二级沸腾水中湍流混合的结果。

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