循环油浆蒸汽发生器管束泄漏原因及修复。
Leakage causes of slurry oil steam generator tube bundle and reconditioning technique.
前言：EA-303立式换热器在使用过程中，由于物料中含有环丁砜、水和蒸汽，致使换热器管束频繁出现故障。
Because there is sulfolane, water and steam in the feed of EA-303 vertical heat exchanger, which resulted in tube problems occurred frequently.
报道了某核动力系统蒸汽发生器，因管束的应力腐蚀破裂而发生严重泄漏事故的原因和规律。
The reasons and regularity of pipe stress corrosion cracking of some nuclear-powered steam generator was summarized, which caused serious leaking accident.
管束的排列和布置型式对凝汽器的汽阻大小、蒸汽在管束中的分配是否均匀，以及是否会出现空气积聚的死区等都有影响。
The arrangement and layout make a public impact on the steam resistance extent of condenser, uniform steam distribution in the tube bundle and the occurrence of dead zone full of air, etc.
完成了压水堆蒸汽发生器管束模拟体的地震响应水分析和试验研究。
The seismic response analysis and experimental study of a model PWR steam generator tube bundle has been completed.
蒸汽发生器内部部件较为复杂，载荷作用下一次侧的力学行为通常会影响管板上部的部件，如支撑板和管束。
Internal components of steam generator are complex, and the reaction of primary side under loads will influence the components above the tube sheet, such as support plate and tube bundle.
假设为大孔隙多孔介质，模拟钠在蒸汽发生器内的流动，引入体积孔隙率，面渗透率和分布阻力来模拟管束、支撑板对钠流动的扰动。
The model simulates sodium flow in the steam generator as quasi-continuum. The model USES volume porosity, area permeability and distributed resistance to model the tubes and support plates.
实验结果表明，螺旋管管束的流体诱发振动响应与直管相比存在一定的差别； 200MW高温气冷堆蒸汽发生器的设计避免了管束的大振幅振动。
The experimental results reveal the difference between helical tubes and straight tubes on flow induced vibration, and the design for 200MW HTR steam generator avoids large amplitude vibration.
凝汽器蒸汽流场的变化使其传热系数和汽阻发生变化，传热系数和汽阻的改变使凝汽器管束布置修正系数随着负荷变化。
The change of heat transfer coefficient and the vapor lock make the tube bundle arrangement correction factor change with load.
计算表明：防振杆与环箍的结构和尺寸对蒸汽发生器管束的固有振动频率有显著影响。
It is certified that the structure and size of the anti-vibration bar and loop hoop have notable effect on the natural vibration.
根据蒸汽发生器二次侧工质的流动特点，将迁移时间分成四段计算，并重点提出了管束区汽相运动的速度分布计算模型。
According to the flow characters of secondary side fluid, the transit times divide into four sectors from tube sheet to the sensor on steam line.
根据蒸汽发生器二次侧工质的流动特点，将迁移时间分成四段计算，并重点提出了管束区汽相运动的速度分布计算模型。
According to the flow characters of secondary side fluid, the transit times divide into four sectors from tube sheet to the sensor on steam line.
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