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蒸汽发生器

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In the experiments,a single-fibre optical probe was developed to measure the local void fraction and a tri-fibre optical probe was developed to measure the vapor bubble velocities inside the heated tube bundles.

摘 要:针对卧式火管式蒸汽发生器的结构特点,对水平加热管束间的三维汽液两相流特性进行了实验研究。

These main jobs completed are included:The cascade feedforward-feedback control system of the once-through stream generator is advised.

本文完成的主要工作有:设计直流蒸汽发生器的串级前馈—反馈控制系统。

Curling iron, keep a hair machine, curling iron, dissolve a wax machine, the machine, humidifier of the steam occurrence, the boiled water machine, water-heater, thermos cup, hot milk machine, coffee heating apparatus, lead gum machine, the heat dissolves a gum gun, chocolate extrude machine.

直发器,卷发器,溶蜡器,蒸汽发生器,增湿器,开水器,热水器,保温杯,热奶器,咖啡加热器,过胶机,热溶胶枪,巧克力挤出器,暖手器/暖脚器,按摩器,理疗器等。

The heat flux between water of centric tube, outside annuli tube and that of annulus channel is assumed to be equal, and then the steam generator's model is built by lumped parameters with moving boundary.

通过假设中心管、环形管外侧与环形通道流体间的热流密度相等,应用集中参数和可移动边界的处理方法,建立了套管式直流蒸汽发生器的数学模型。

To achieve this, the or each steam generator pipe (22, 50, 60) has a respective downpipe section (34, 52, 62, 64), which is approximately vertical and through which the flow medium can flow downwards and a respective riser pipe section (36, 54, 66, 68) connected downstream of the downpipe on the flow medium side, which is approximately vertical and through which the flow medium can flow upwards.

为达到此目的,按本发明这一根或每根蒸汽发生器管(22、50、60)分别包括一个近似垂直布置可被流动介质沿向下的方向流过的下降管段(34、52、62、64)和一个沿流动介质流向连接在该下降管段下游的、近似垂直布置并可被流动介质沿向上的方向流过的上升管段(36、54、66、68)。

If the engine room is located in front of steam generators, we have a short gas tract with smoke exhausters and fans at a zero level.

如果机舱在蒸汽发生器前面设置,我们有与抽烟排气器和风扇的一篇短的气体短文在零电平。

As an important auxiliary machine of turboset, condensing equipment serves as the cold source during thermal circulation of condensing turboset in the power plant and plays an important role in security, economy and operation of the power plant, mainly aiming at condensing the exhaust steam of steam turbine into water, setting up and maintaining a certain vacuum degree in the air extraction outlet of steam turbine, and also conveying condensation water to steam generator so as to reuse.

凝汽设备是汽轮机组的一个重要辅机,在电厂凝汽式汽轮机组的热力循环中,凝汽设备起着冷源的作用,它对整个电厂的安全、经济运行具有重要作用。它的主要任务是将汽轮机排汽凝结成水,在汽轮机排汽口建立与维持一定的真空度;并把凝结水送回蒸汽发生器继续使用。

The steam generators of the Meining industrial irons are one year guaranteed,which is rare in the world.

美宁熨斗蒸汽发生器保修一年,这在世界工业熨斗中是前所未有的。

The fluid-structure interaction dynamic characteristic of steam generator U-bend tube is simulated by using ANSYS parametric design language,focusing on the influence of the anti-vibration bars of the U tube.

应用ANSYS参数化设计语言对蒸汽发生器U形管流体结构耦联系统动态特性进行了数值模拟,着重考虑了防振条对U形管固有频率的影响。

Clif collected pictures of Avery steamers for a number of years and planned the model in his head.

clif收集图片的Avery蒸汽发生器为若干年内,规划模型在他的头部。

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As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失

But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.

但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。