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- This paper introduces methods and effect of tranditional natural circulating inside the shell firetube-watertube packaged hot water boiler transformed into forced water circulating. 介绍了锅壳式水火管快装热水锅炉锅内水循环由传统的自然循环方式改进为强制循环方式和取得的效果。
- natural circulating electrolyzer 自然循环电解槽
- The core of DPR-1 is cooled by natural circulation and DPR-3 is cooled by forced circulation. 其中DPR-1堆芯是自然循环冷却,而DPR-3是强迫循环冷却。
- Three-interknit natural circulation loops were adopted by this PRHRS to remove the residual heat of the reactor core. 该系统利用3个相互耦合回路的自然循环把停堆后的堆芯余热排出。
- It is pointed out that the static flow excursion in a natural circulation system can induce dynamic flow instabilities. 研究结果证明：在自然循环中静态流量漂移将会诱发动态流量振荡。
- These can lay good basis for study and application on subcooled boiling in natural circulation in future. 此研究结果为今后研究和应用自然循环的欠热沸腾奠定了基础。
- Grey system theory is applied to analyze the experimental data of onset of nuclear boiling in Freon natural circulation. 运用灰色系统理论对以氟利昂为工质的自然循环过冷沸腾起始点实验结果进行分析。
- The design and operation status of the first domestic ionic membrane electrolyzer with high current density natural circulation system were introduced. 介绍国内第一套国产高电流密度自然循环离子膜电解槽装置的设计及运行情况。
- The results indicate that the fuzzy mathematics method can be used to more accurately analyze ONB data for subcooled boiling in natural circulation. 结果表明，模糊数学的应用使自然循环欠热沸腾起始点分析得到一种符合实际和较为准确的描述，该方法是一种有前途的可开发数学方法。
- A natural circulation HRSG dynamic model is was developed, which was important in studying the dynamic behaviors of HRSG. 摘要建立自然循环余热锅炉的动态模型并进行仿真，对研究余热锅炉的动态特性具有重要意义。
- We design and build up cryogenic fluid natural circulation precooling system apparatus, including novel gas-phase inlet configuration.3. 2．自行设计并搭建了低温流体自然循环预冷实验平台，提出了不同于常规的“液相回流”方案的“气相回流”方案。
- It is natural for a cat to catch mice. 猫捉老鼠是本能。
- The physical and mathematical models of primary loop natural circulation ability at motionless state and under the influence of heaving and rolling conditions are established. 建立了一回路的自然循环能力在稳定状态时和受到摇摆、起伏等影响时的物理、数学模型。
- We list main investigation as follows:1.Theoretical study on the natural circulation precooling involves complicated two-phase fluid flow and heat transfer. 1．自然循环预冷法的理论分析涉及到单相、两相流的流动和传热问题，对此不少文献都有所论述，本文对其中一些具有代表性的方法进行了讨论。
- It's natural to slack2 off towards the end of a hard day's work. 一天紧张工作快结束的时候有些放松是自然的。
- A study on vapor bubble departure in natural circulation subcooled-boiling under rolling condition is performed with theory and experiment in this dissertation. 本文主要通过理论分析和实验研究摇摆对自然循环过冷沸腾汽泡脱离点的影响。
- Many natural materials are becoming scarce. 许多天然原料越来越少。
- The natural circulation operational characteristics of nuclear machinery under rolling, pitching, heeling, heaving, linear acceleration and rotation motions were investigated. 对海基核动力装置在横摇、纵摇、横倾、纵倾、浮沉、直线变速、回转等条件下的自然循环运行特性进行了研究。
- With numerically solving the mathematical model, a theoretical investigation was performed on the steady-state natural circulation characteristics of the new PWR. 通过数值迭代求解该模型，对新型压水堆的自然循环特性进行了理论分析。
- In order to research its natural circulation, the downcomer part and the riser part is distinguished, where there are no mass and energy transferred between them. 该模型为体现其自然循环的特性，将下降段与上升段区分开，并假定两者之间不存在质量和能量的交换。在处理两相流区域时采用比较准确的漂移流模型。
