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首页> 外文期刊>Thermal science >Condensate retention as a function of condensate flow rate on horizontal enhanced pin-fin tubes
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Condensate retention as a function of condensate flow rate on horizontal enhanced pin-fin tubes

机译：在水平增强型针翅管上的冷凝水保留量与冷凝水流量的关系

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The extent of condensate flooding as a function of condensate flow rate is measured on six horizontal pin-fin tubes (varying in circumferential pin-spacing) via simulated experimentation. Surface tension to density ratio is tested using three fluids namely water, ethylene glycol and R-141b. Results show that flooding was strongly effected by changing the condensate flow rate. An increase in flow rate caused a marginal decrease in flooding angle (an angle extracted from top of the test tube to the fully flooded flank). Similarly, circumferential pin-spacing also effected the retention angle and the effect goes on increasing by decreasing the surface tension to density ratio.
机译：通过模拟实验，在六个水平的针形翅片管上测量了冷凝水驱替程度，作为冷凝水流量的函数（沿周向钉间距变化）。使用三种流体（水，乙二醇和R-141b）测试表面张力与密度之比。结果表明，通过改变凝结水流量对洪水有强烈影响。流速的增加会导致溢流角（从试管顶部到完全溢流的侧面提取的角度）略有减少。类似地，周向销间距也影响了保持角，并且该效果通过减小表面张力与密度之比而继续增加。

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