Reflux condensation is studied in single inverted U tubes.
进行了单根U型管内蒸汽冷凝回流实验。
For natural circulation, it is shown that parallel flow in the tubes of vertically inverted U-tube team generator (UTSG) can be non-uniform, and reverse flow occurs within some tubes.
自然循环条件下，立式倒u型管蒸汽发生器(UTSG)并联倒u型传热管内存在非均匀流动，部分传热管出现倒流。
This paper analyzed the energy consumption of a system in operation status——the double U-tubes vertically buried tube ground-source heat pump system in an air force station of Chongqing.
基于重庆市某空军场站的双U管竖埋式土壤源热泵系统工程，对该系统冬季变工况下的运行能耗进行了分析。
In order to test the validity of the method, the inverted U-tubes break accident of Steam Generator and etc are used as examples, and many simulation experiments are performed.
为了验证该方法的有效性，以核电厂设备蒸汽发生器u形管破裂等故障为例，进行了仿真实验研究。
For production of final 800 alloy U-shaped steel tubes used for steam generator heat-conduction, surface shot-blast treatment is a must.
表面喷丸是生产800合金u型蒸汽发生器传热管成品必不可少的处理工序。
When double and multi-U-tube ground heat exchangers are used, heat transfers of the system decreases due to the thermal disturbance among the tubes.
双管和多管布置时，由于管间的热干扰作用，系统的换热量将不同程度降低。
When double and multi-U-tube ground heat exchangers are used, heat transfers of the system decreases due to the thermal disturbance among the tubes.
双管和多管布置时，由于管间的热干扰作用，系统的换热量将不同程度降低。
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