管内流动，流体在充满管道时的纵向流动，简称管流。管流是粘性不可压缩流体动力学的主要研究内容之一。
... nuclear boiling 泡核沸腾 ; 核态沸腾 ; 核沸腾 ; 过冷沸腾 boiling apparatus 蒸煮器 ; 煮练装置 flow boiling 流动沸腾 ; 流动 ; 流沸腾 ; 管内流动 ...
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管道内流动计算 internal flow solution
The results show that instantaneous friction coefficient varies periodically in the rolling straight pipe, which is different greatly from that in a steady pipe flow.
实验结果表明,不同于非摇摆条件下管内流动,摇摆状态下的单相摩擦系数呈现周期性的变化,其变化周期等于摇摆周期,其波动幅值与雷诺数、管径和摇摆幅值有关。
参考来源 - 摇摆状态下气水两相流流型及阻力特性研究·2,447,543篇论文数据，部分数据来源于NoteExpress
在水和空气不同管内流动介质的情况下进行了系统实验。
Systematic experiments were performed in the cases of water and air respectively.
在役焊接过程中，管内流动介质的快速冷却，易使接头出现氢致裂纹。
Because of the fast cooling of flowing medium, the hydrogen cracking occurs easily under in-service welding.
结合热量运输的观点，提出改善管内流动阻力、提高综合传热效率的方法。
With the consideration of the view - point of heat conveyance, the methods of reducing the floating resistance and increasing the efficiency of integrated heat transfer are presented.
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