pipe bundle

Bubble distribution characters along the circumference of single pipe and pipe bundle dipped into the fluidized bed and their influence on local coefficient of heat transfer

流化床内浸入单管及管束沿周向气泡的分布特性及其对局部换热系数的影响

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The paper analyzes the tail rope failure and fault reasons, the design thoughts using double spinner, steel rope core rubber belt, rubber bushed steel rope and pipe bundle steel rope are put forward.

分析了尾绳失效和引起故障的原因，提出了双旋转器、钢丝芯胶带、套胶钢丝绳和管束钢丝绳等设计思想。

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By using corrugated pipe bundle instead of the bare pipe bundle with the same stiffness as its tube sheet, the axial thermal compensation can be increased by 40.4 percent, and the corresponding pulling-out force is 53.2 percent of that of the bare pipe bundle.

在光管管束与壳体等刚度条件下，用波节管管束代替光管管束，轴向热补偿量可提高404%，相应的拉脱力为光管管束的532%。

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Based on the balance of energy, the mathematic model of soil cool thermal storage and release process of inner and outer pipe in the buried pipe bundle was established.

并在能量平衡的基础上，建立了埋管管束内层及外层盘管蓄冷、释冷过程的数学模型。

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An approach of rough-fuzzy control, which uses rough set data analysis to upgrade fuzzy PID control, is presented for the electro-hydraulic servo position system in pipe bundle shaping process.

针对浙江大学研制的智能管捆成形电液位置伺服系统，应用粗糙集数据分析的理论，提出一种有自学习能力的粗糙-模糊PID控制方法。

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