• Film condensation heat transfer characteristics are studied by numerical simulation for a single horizontal tube in the presence of a non condensable gas.

    为查明凝气体水平状凝结特性影响规律,建立了水平管的气、液双边界层模型。

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  • The vapor liquid two boundary layer model is applied to predict local mass concentration of the non condensable gas, temperature profiles and velocity profiles in the boundary layer.

    模型考虑了膜之间质量连续及能量连续特征。对于不同的壁面过冷度,用数值方法首次求解并分析了边界层局部不凝气体质量分数、温度速度分布规律。

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  • When " holding " ( during normal operation ), non condensable, which are coming from air ingress and oxygen content in steam and condensate, must also be extracted normally by main ejectors.

    「建立真空」 (正常操作下)时,空气入口处的不可凝结物蒸汽中的含量以及凝结水必须抽汽器排出

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  • Introduces the harm of non-condensable gases (such as air, etc.) in refrigeration systems.

    介绍不凝性气体(空气)制冷系统中的危害

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  • These manifolds are connected to the vacuum system through air take-off lines in order to remove the non-condensable gases from the condenser.

    这些集管通过空气管线抽真空系统相连以便冷凝汽器内抽走不可冷凝气体

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  • In the past decades, little efforts has been done on the investigation of condensation of steam in the presence of high content non-condensable gas due to its complication.

    本文利用自主设计大空间凝结换热实验台,水平光管和三维肋管管外不凝性气体含量水蒸气凝结换热性能进行了实验研究

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  • Use automatic exhaust valve Spirax Sarco steam system to exclude air and other non-condensable gases, while not leaking steam.

    使用斯派莎克的自动气阀可排除蒸汽系统中的空气其它不凝性气体同时不会泄漏蒸汽。

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  • Propylene recovery at a rate above 85% from the non-condensable gas released from polypropylene plant was carried out with membrane separation technique.

    应用分离技术,回收聚丙烯装置排空不中的烯,回收率85%以上

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  • Air and other non-condensable gases in the steam system will cause a lot of problems.

    空气其它不凝性气体蒸汽系统引起很多问题。

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  • Air and other non-condensable gas inside the water pipe will cause a lot of problems, such as noise, corrosion, hysteresis loop, and even cause a temporary interruption of the device.

    给水管道空气其它性气体会引起很多问题噪音腐蚀循环迟滞,甚至造成设备暂时中断

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  • As a condensable gas, the water vapor permeates through membranes become more complicated than non-condensable gases.

    水蒸气作为一种可凝聚性气体,导致它在高分子中的渗透行为其它非凝聚性气体复杂

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  • The Effects of the content of the non-condensable gas and the condensing pressure on the overall condensation heat transfer was tested.

    通过水平管束管间冷凝特性试验研究 ,探讨并分析了冷却水流量以及不气体质量分数对管束冷凝换热的影响规律机理 。

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  • The Effects of the content of the non-condensable gas and the condensing pressure on the overall condensation heat transfer was tested.

    通过水平管束管间冷凝特性试验研究 ,探讨并分析了冷却水流量以及不气体质量分数对管束冷凝换热的影响规律机理 。

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